http://git-wip-us.apache.org/repos/asf/hbase-site/blob/ec8bf761/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html index 93f650f..d7aa8b1 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/ConnectionImplementation.ServerErrorTracker.ServerErrors.html @@ -546,1472 +546,1464 @@ <span class="sourceLineNo">538</span> return this.conf;<a name="line.538"></a> <span class="sourceLineNo">539</span> }<a name="line.539"></a> <span class="sourceLineNo">540</span><a name="line.540"></a> -<span class="sourceLineNo">541</span> /**<a name="line.541"></a> -<span class="sourceLineNo">542</span> * @return true if the master is running, throws an exception otherwise<a name="line.542"></a> -<span class="sourceLineNo">543</span> * @throws org.apache.hadoop.hbase.MasterNotRunningException - if the master is not running<a name="line.543"></a> -<span class="sourceLineNo">544</span> * @deprecated this has been deprecated without a replacement<a name="line.544"></a> -<span class="sourceLineNo">545</span> */<a name="line.545"></a> -<span class="sourceLineNo">546</span> @Deprecated<a name="line.546"></a> -<span class="sourceLineNo">547</span> @Override<a name="line.547"></a> -<span class="sourceLineNo">548</span> public boolean isMasterRunning()<a name="line.548"></a> -<span class="sourceLineNo">549</span> throws MasterNotRunningException, ZooKeeperConnectionException {<a name="line.549"></a> -<span class="sourceLineNo">550</span> // When getting the master connection, we check it's running,<a name="line.550"></a> -<span class="sourceLineNo">551</span> // so if there is no exception, it means we've been able to get a<a name="line.551"></a> -<span class="sourceLineNo">552</span> // connection on a running master<a name="line.552"></a> -<span class="sourceLineNo">553</span> MasterKeepAliveConnection m = getKeepAliveMasterService();<a name="line.553"></a> -<span class="sourceLineNo">554</span> m.close();<a name="line.554"></a> -<span class="sourceLineNo">555</span> return true;<a name="line.555"></a> -<span class="sourceLineNo">556</span> }<a name="line.556"></a> -<span class="sourceLineNo">557</span><a name="line.557"></a> -<span class="sourceLineNo">558</span> @Override<a name="line.558"></a> -<span class="sourceLineNo">559</span> public HRegionLocation getRegionLocation(final TableName tableName,<a name="line.559"></a> -<span class="sourceLineNo">560</span> final byte [] row, boolean reload)<a name="line.560"></a> -<span class="sourceLineNo">561</span> throws IOException {<a name="line.561"></a> -<span class="sourceLineNo">562</span> return reload? relocateRegion(tableName, row): locateRegion(tableName, row);<a name="line.562"></a> -<span class="sourceLineNo">563</span> }<a name="line.563"></a> -<span class="sourceLineNo">564</span><a name="line.564"></a> -<span class="sourceLineNo">565</span><a name="line.565"></a> -<span class="sourceLineNo">566</span> @Override<a name="line.566"></a> -<span class="sourceLineNo">567</span> public boolean isTableEnabled(TableName tableName) throws IOException {<a name="line.567"></a> -<span class="sourceLineNo">568</span> return getTableState(tableName).inStates(TableState.State.ENABLED);<a name="line.568"></a> -<span class="sourceLineNo">569</span> }<a name="line.569"></a> -<span class="sourceLineNo">570</span><a name="line.570"></a> -<span class="sourceLineNo">571</span> @Override<a name="line.571"></a> -<span class="sourceLineNo">572</span> public boolean isTableDisabled(TableName tableName) throws IOException {<a name="line.572"></a> -<span class="sourceLineNo">573</span> return getTableState(tableName).inStates(TableState.State.DISABLED);<a name="line.573"></a> -<span class="sourceLineNo">574</span> }<a name="line.574"></a> -<span class="sourceLineNo">575</span><a name="line.575"></a> -<span class="sourceLineNo">576</span> @Override<a name="line.576"></a> -<span class="sourceLineNo">577</span> public boolean isTableAvailable(final TableName tableName, @Nullable final byte[][] splitKeys)<a name="line.577"></a> -<span class="sourceLineNo">578</span> throws IOException {<a name="line.578"></a> -<span class="sourceLineNo">579</span> if (this.closed) {<a name="line.579"></a> -<span class="sourceLineNo">580</span> throw new IOException(toString() + " closed");<a name="line.580"></a> -<span class="sourceLineNo">581</span> }<a name="line.581"></a> -<span class="sourceLineNo">582</span> try {<a name="line.582"></a> -<span class="sourceLineNo">583</span> if (!isTableEnabled(tableName)) {<a name="line.583"></a> -<span class="sourceLineNo">584</span> LOG.debug("Table " + tableName + " not enabled");<a name="line.584"></a> -<span class="sourceLineNo">585</span> return false;<a name="line.585"></a> -<span class="sourceLineNo">586</span> }<a name="line.586"></a> -<span class="sourceLineNo">587</span> List<Pair<RegionInfo, ServerName>> locations =<a name="line.587"></a> -<span class="sourceLineNo">588</span> MetaTableAccessor.getTableRegionsAndLocations(this, tableName, true);<a name="line.588"></a> -<span class="sourceLineNo">589</span><a name="line.589"></a> -<span class="sourceLineNo">590</span> int notDeployed = 0;<a name="line.590"></a> -<span class="sourceLineNo">591</span> int regionCount = 0;<a name="line.591"></a> -<span class="sourceLineNo">592</span> for (Pair<RegionInfo, ServerName> pair : locations) {<a name="line.592"></a> -<span class="sourceLineNo">593</span> RegionInfo info = pair.getFirst();<a name="line.593"></a> -<span class="sourceLineNo">594</span> if (pair.getSecond() == null) {<a name="line.594"></a> -<span class="sourceLineNo">595</span> if (LOG.isDebugEnabled()) {<a name="line.595"></a> -<span class="sourceLineNo">596</span> LOG.debug("Table " + tableName + " has not deployed region " + pair.getFirst()<a name="line.596"></a> -<span class="sourceLineNo">597</span> .getEncodedName());<a name="line.597"></a> -<span class="sourceLineNo">598</span> }<a name="line.598"></a> -<span class="sourceLineNo">599</span> notDeployed++;<a name="line.599"></a> -<span class="sourceLineNo">600</span> } else if (splitKeys != null<a name="line.600"></a> -<span class="sourceLineNo">601</span> && !Bytes.equals(info.getStartKey(), HConstants.EMPTY_BYTE_ARRAY)) {<a name="line.601"></a> -<span class="sourceLineNo">602</span> for (byte[] splitKey : splitKeys) {<a name="line.602"></a> -<span class="sourceLineNo">603</span> // Just check if the splitkey is available<a name="line.603"></a> -<span class="sourceLineNo">604</span> if (Bytes.equals(info.getStartKey(), splitKey)) {<a name="line.604"></a> -<span class="sourceLineNo">605</span> regionCount++;<a name="line.605"></a> -<span class="sourceLineNo">606</span> break;<a name="line.606"></a> -<span class="sourceLineNo">607</span> }<a name="line.607"></a> -<span class="sourceLineNo">608</span> }<a name="line.608"></a> -<span class="sourceLineNo">609</span> } else {<a name="line.609"></a> -<span class="sourceLineNo">610</span> // Always empty start row should be counted<a name="line.610"></a> -<span class="sourceLineNo">611</span> regionCount++;<a name="line.611"></a> -<span class="sourceLineNo">612</span> }<a name="line.612"></a> -<span class="sourceLineNo">613</span> }<a name="line.613"></a> -<span class="sourceLineNo">614</span> if (notDeployed > 0) {<a name="line.614"></a> -<span class="sourceLineNo">615</span> if (LOG.isDebugEnabled()) {<a name="line.615"></a> -<span class="sourceLineNo">616</span> LOG.debug("Table " + tableName + " has " + notDeployed + " regions");<a name="line.616"></a> -<span class="sourceLineNo">617</span> }<a name="line.617"></a> -<span class="sourceLineNo">618</span> return false;<a name="line.618"></a> -<span class="sourceLineNo">619</span> } else if (splitKeys != null && regionCount != splitKeys.length + 1) {<a name="line.619"></a> -<span class="sourceLineNo">620</span> if (LOG.isDebugEnabled()) {<a name="line.620"></a> -<span class="sourceLineNo">621</span> LOG.debug("Table " + tableName + " expected to have " + (splitKeys.length + 1)<a name="line.621"></a> -<span class="sourceLineNo">622</span> + " regions, but only " + regionCount + " available");<a name="line.622"></a> -<span class="sourceLineNo">623</span> }<a name="line.623"></a> -<span class="sourceLineNo">624</span> return false;<a name="line.624"></a> -<span class="sourceLineNo">625</span> } else {<a name="line.625"></a> -<span class="sourceLineNo">626</span> if (LOG.isDebugEnabled()) {<a name="line.626"></a> -<span class="sourceLineNo">627</span> LOG.debug("Table " + tableName + " should be available");<a name="line.627"></a> -<span class="sourceLineNo">628</span> }<a name="line.628"></a> -<span class="sourceLineNo">629</span> return true;<a name="line.629"></a> -<span class="sourceLineNo">630</span> }<a name="line.630"></a> -<span class="sourceLineNo">631</span> } catch (TableNotFoundException tnfe) {<a name="line.631"></a> -<span class="sourceLineNo">632</span> LOG.warn("Table " + tableName + " not enabled, it is not exists");<a name="line.632"></a> -<span class="sourceLineNo">633</span> return false;<a name="line.633"></a> -<span class="sourceLineNo">634</span> }<a name="line.634"></a> -<span class="sourceLineNo">635</span> }<a name="line.635"></a> -<span class="sourceLineNo">636</span><a name="line.636"></a> -<span class="sourceLineNo">637</span> @Override<a name="line.637"></a> -<span class="sourceLineNo">638</span> public HRegionLocation locateRegion(final byte[] regionName) throws IOException {<a name="line.638"></a> -<span class="sourceLineNo">639</span> RegionLocations locations = locateRegion(RegionInfo.getTable(regionName),<a name="line.639"></a> -<span class="sourceLineNo">640</span> RegionInfo.getStartKey(regionName), false, true);<a name="line.640"></a> -<span class="sourceLineNo">641</span> return locations == null ? null : locations.getRegionLocation();<a name="line.641"></a> +<span class="sourceLineNo">541</span> private void checkClosed() throws DoNotRetryIOException {<a name="line.541"></a> +<span class="sourceLineNo">542</span> if (this.closed) {<a name="line.542"></a> +<span class="sourceLineNo">543</span> throw new DoNotRetryIOException(toString() + " closed");<a name="line.543"></a> +<span class="sourceLineNo">544</span> }<a name="line.544"></a> +<span class="sourceLineNo">545</span> }<a name="line.545"></a> +<span class="sourceLineNo">546</span><a name="line.546"></a> +<span class="sourceLineNo">547</span> /**<a name="line.547"></a> +<span class="sourceLineNo">548</span> * @return true if the master is running, throws an exception otherwise<a name="line.548"></a> +<span class="sourceLineNo">549</span> * @throws org.apache.hadoop.hbase.MasterNotRunningException - if the master is not running<a name="line.549"></a> +<span class="sourceLineNo">550</span> * @deprecated this has been deprecated without a replacement<a name="line.550"></a> +<span class="sourceLineNo">551</span> */<a name="line.551"></a> +<span class="sourceLineNo">552</span> @Deprecated<a name="line.552"></a> +<span class="sourceLineNo">553</span> @Override<a name="line.553"></a> +<span class="sourceLineNo">554</span> public boolean isMasterRunning() throws MasterNotRunningException, ZooKeeperConnectionException {<a name="line.554"></a> +<span class="sourceLineNo">555</span> // When getting the master connection, we check it's running,<a name="line.555"></a> +<span class="sourceLineNo">556</span> // so if there is no exception, it means we've been able to get a<a name="line.556"></a> +<span class="sourceLineNo">557</span> // connection on a running master<a name="line.557"></a> +<span class="sourceLineNo">558</span> MasterKeepAliveConnection m;<a name="line.558"></a> +<span class="sourceLineNo">559</span> try {<a name="line.559"></a> +<span class="sourceLineNo">560</span> m = getKeepAliveMasterService();<a name="line.560"></a> +<span class="sourceLineNo">561</span> } catch (IOException e) {<a name="line.561"></a> +<span class="sourceLineNo">562</span> throw new MasterNotRunningException(e);<a name="line.562"></a> +<span class="sourceLineNo">563</span> }<a name="line.563"></a> +<span class="sourceLineNo">564</span> m.close();<a name="line.564"></a> +<span class="sourceLineNo">565</span> return true;<a name="line.565"></a> +<span class="sourceLineNo">566</span> }<a name="line.566"></a> +<span class="sourceLineNo">567</span><a name="line.567"></a> +<span class="sourceLineNo">568</span> @Override<a name="line.568"></a> +<span class="sourceLineNo">569</span> public HRegionLocation getRegionLocation(final TableName tableName, final byte[] row,<a name="line.569"></a> +<span class="sourceLineNo">570</span> boolean reload) throws IOException {<a name="line.570"></a> +<span class="sourceLineNo">571</span> return reload ? relocateRegion(tableName, row) : locateRegion(tableName, row);<a name="line.571"></a> +<span class="sourceLineNo">572</span> }<a name="line.572"></a> +<span class="sourceLineNo">573</span><a name="line.573"></a> +<span class="sourceLineNo">574</span><a name="line.574"></a> +<span class="sourceLineNo">575</span> @Override<a name="line.575"></a> +<span class="sourceLineNo">576</span> public boolean isTableEnabled(TableName tableName) throws IOException {<a name="line.576"></a> +<span class="sourceLineNo">577</span> return getTableState(tableName).inStates(TableState.State.ENABLED);<a name="line.577"></a> +<span class="sourceLineNo">578</span> }<a name="line.578"></a> +<span class="sourceLineNo">579</span><a name="line.579"></a> +<span class="sourceLineNo">580</span> @Override<a name="line.580"></a> +<span class="sourceLineNo">581</span> public boolean isTableDisabled(TableName tableName) throws IOException {<a name="line.581"></a> +<span class="sourceLineNo">582</span> return getTableState(tableName).inStates(TableState.State.DISABLED);<a name="line.582"></a> +<span class="sourceLineNo">583</span> }<a name="line.583"></a> +<span class="sourceLineNo">584</span><a name="line.584"></a> +<span class="sourceLineNo">585</span> @Override<a name="line.585"></a> +<span class="sourceLineNo">586</span> public boolean isTableAvailable(final TableName tableName, @Nullable final byte[][] splitKeys)<a name="line.586"></a> +<span class="sourceLineNo">587</span> throws IOException {<a name="line.587"></a> +<span class="sourceLineNo">588</span> checkClosed();<a name="line.588"></a> +<span class="sourceLineNo">589</span> try {<a name="line.589"></a> +<span class="sourceLineNo">590</span> if (!isTableEnabled(tableName)) {<a name="line.590"></a> +<span class="sourceLineNo">591</span> LOG.debug("Table " + tableName + " not enabled");<a name="line.591"></a> +<span class="sourceLineNo">592</span> return false;<a name="line.592"></a> +<span class="sourceLineNo">593</span> }<a name="line.593"></a> +<span class="sourceLineNo">594</span> List<Pair<RegionInfo, ServerName>> locations =<a name="line.594"></a> +<span class="sourceLineNo">595</span> MetaTableAccessor.getTableRegionsAndLocations(this, tableName, true);<a name="line.595"></a> +<span class="sourceLineNo">596</span><a name="line.596"></a> +<span class="sourceLineNo">597</span> int notDeployed = 0;<a name="line.597"></a> +<span class="sourceLineNo">598</span> int regionCount = 0;<a name="line.598"></a> +<span class="sourceLineNo">599</span> for (Pair<RegionInfo, ServerName> pair : locations) {<a name="line.599"></a> +<span class="sourceLineNo">600</span> RegionInfo info = pair.getFirst();<a name="line.600"></a> +<span class="sourceLineNo">601</span> if (pair.getSecond() == null) {<a name="line.601"></a> +<span class="sourceLineNo">602</span> if (LOG.isDebugEnabled()) {<a name="line.602"></a> +<span class="sourceLineNo">603</span> LOG.debug("Table " + tableName + " has not deployed region " + pair.getFirst()<a name="line.603"></a> +<span class="sourceLineNo">604</span> .getEncodedName());<a name="line.604"></a> +<span class="sourceLineNo">605</span> }<a name="line.605"></a> +<span class="sourceLineNo">606</span> notDeployed++;<a name="line.606"></a> +<span class="sourceLineNo">607</span> } else if (splitKeys != null<a name="line.607"></a> +<span class="sourceLineNo">608</span> && !Bytes.equals(info.getStartKey(), HConstants.EMPTY_BYTE_ARRAY)) {<a name="line.608"></a> +<span class="sourceLineNo">609</span> for (byte[] splitKey : splitKeys) {<a name="line.609"></a> +<span class="sourceLineNo">610</span> // Just check if the splitkey is available<a name="line.610"></a> +<span class="sourceLineNo">611</span> if (Bytes.equals(info.getStartKey(), splitKey)) {<a name="line.611"></a> +<span class="sourceLineNo">612</span> regionCount++;<a name="line.612"></a> +<span class="sourceLineNo">613</span> break;<a name="line.613"></a> +<span class="sourceLineNo">614</span> }<a name="line.614"></a> +<span class="sourceLineNo">615</span> }<a name="line.615"></a> +<span class="sourceLineNo">616</span> } else {<a name="line.616"></a> +<span class="sourceLineNo">617</span> // Always empty start row should be counted<a name="line.617"></a> +<span class="sourceLineNo">618</span> regionCount++;<a name="line.618"></a> +<span class="sourceLineNo">619</span> }<a name="line.619"></a> +<span class="sourceLineNo">620</span> }<a name="line.620"></a> +<span class="sourceLineNo">621</span> if (notDeployed > 0) {<a name="line.621"></a> +<span class="sourceLineNo">622</span> if (LOG.isDebugEnabled()) {<a name="line.622"></a> +<span class="sourceLineNo">623</span> LOG.debug("Table " + tableName + " has " + notDeployed + " regions");<a name="line.623"></a> +<span class="sourceLineNo">624</span> }<a name="line.624"></a> +<span class="sourceLineNo">625</span> return false;<a name="line.625"></a> +<span class="sourceLineNo">626</span> } else if (splitKeys != null && regionCount != splitKeys.length + 1) {<a name="line.626"></a> +<span class="sourceLineNo">627</span> if (LOG.isDebugEnabled()) {<a name="line.627"></a> +<span class="sourceLineNo">628</span> LOG.debug("Table " + tableName + " expected to have " + (splitKeys.length + 1)<a name="line.628"></a> +<span class="sourceLineNo">629</span> + " regions, but only " + regionCount + " available");<a name="line.629"></a> +<span class="sourceLineNo">630</span> }<a name="line.630"></a> +<span class="sourceLineNo">631</span> return false;<a name="line.631"></a> +<span class="sourceLineNo">632</span> } else {<a name="line.632"></a> +<span class="sourceLineNo">633</span> if (LOG.isDebugEnabled()) {<a name="line.633"></a> +<span class="sourceLineNo">634</span> LOG.debug("Table " + tableName + " should be available");<a name="line.634"></a> +<span class="sourceLineNo">635</span> }<a name="line.635"></a> +<span class="sourceLineNo">636</span> return true;<a name="line.636"></a> +<span class="sourceLineNo">637</span> }<a name="line.637"></a> +<span class="sourceLineNo">638</span> } catch (TableNotFoundException tnfe) {<a name="line.638"></a> +<span class="sourceLineNo">639</span> LOG.warn("Table " + tableName + " not enabled, it is not exists");<a name="line.639"></a> +<span class="sourceLineNo">640</span> return false;<a name="line.640"></a> +<span class="sourceLineNo">641</span> }<a name="line.641"></a> <span class="sourceLineNo">642</span> }<a name="line.642"></a> <span class="sourceLineNo">643</span><a name="line.643"></a> <span class="sourceLineNo">644</span> @Override<a name="line.644"></a> -<span class="sourceLineNo">645</span> public boolean isDeadServer(ServerName sn) {<a name="line.645"></a> -<span class="sourceLineNo">646</span> if (clusterStatusListener == null) {<a name="line.646"></a> -<span class="sourceLineNo">647</span> return false;<a name="line.647"></a> -<span class="sourceLineNo">648</span> } else {<a name="line.648"></a> -<span class="sourceLineNo">649</span> return clusterStatusListener.isDeadServer(sn);<a name="line.649"></a> -<span class="sourceLineNo">650</span> }<a name="line.650"></a> -<span class="sourceLineNo">651</span> }<a name="line.651"></a> -<span class="sourceLineNo">652</span><a name="line.652"></a> -<span class="sourceLineNo">653</span> @Override<a name="line.653"></a> -<span class="sourceLineNo">654</span> public List<HRegionLocation> locateRegions(TableName tableName) throws IOException {<a name="line.654"></a> -<span class="sourceLineNo">655</span> return locateRegions(tableName, false, true);<a name="line.655"></a> -<span class="sourceLineNo">656</span> }<a name="line.656"></a> -<span class="sourceLineNo">657</span><a name="line.657"></a> -<span class="sourceLineNo">658</span> @Override<a name="line.658"></a> -<span class="sourceLineNo">659</span> public List<HRegionLocation> locateRegions(TableName tableName, boolean useCache,<a name="line.659"></a> -<span class="sourceLineNo">660</span> boolean offlined) throws IOException {<a name="line.660"></a> -<span class="sourceLineNo">661</span> List<RegionInfo> regions;<a name="line.661"></a> -<span class="sourceLineNo">662</span> if (TableName.isMetaTableName(tableName)) {<a name="line.662"></a> -<span class="sourceLineNo">663</span> regions = Collections.singletonList(RegionInfoBuilder.FIRST_META_REGIONINFO);<a name="line.663"></a> -<span class="sourceLineNo">664</span> } else {<a name="line.664"></a> -<span class="sourceLineNo">665</span> regions = MetaTableAccessor.getTableRegions(this, tableName, !offlined);<a name="line.665"></a> -<span class="sourceLineNo">666</span> }<a name="line.666"></a> -<span class="sourceLineNo">667</span> List<HRegionLocation> locations = new ArrayList<>();<a name="line.667"></a> -<span class="sourceLineNo">668</span> for (RegionInfo regionInfo : regions) {<a name="line.668"></a> -<span class="sourceLineNo">669</span> RegionLocations list = locateRegion(tableName, regionInfo.getStartKey(), useCache, true);<a name="line.669"></a> -<span class="sourceLineNo">670</span> if (list != null) {<a name="line.670"></a> -<span class="sourceLineNo">671</span> for (HRegionLocation loc : list.getRegionLocations()) {<a name="line.671"></a> -<span class="sourceLineNo">672</span> if (loc != null) {<a name="line.672"></a> -<span class="sourceLineNo">673</span> locations.add(loc);<a name="line.673"></a> -<span class="sourceLineNo">674</span> }<a name="line.674"></a> -<span class="sourceLineNo">675</span> }<a name="line.675"></a> -<span class="sourceLineNo">676</span> }<a name="line.676"></a> -<span class="sourceLineNo">677</span> }<a name="line.677"></a> -<span class="sourceLineNo">678</span> return locations;<a name="line.678"></a> -<span class="sourceLineNo">679</span> }<a name="line.679"></a> -<span class="sourceLineNo">680</span><a name="line.680"></a> -<span class="sourceLineNo">681</span> @Override<a name="line.681"></a> -<span class="sourceLineNo">682</span> public HRegionLocation locateRegion(<a name="line.682"></a> -<span class="sourceLineNo">683</span> final TableName tableName, final byte[] row) throws IOException{<a name="line.683"></a> -<span class="sourceLineNo">684</span> RegionLocations locations = locateRegion(tableName, row, true, true);<a name="line.684"></a> -<span class="sourceLineNo">685</span> return locations == null ? null : locations.getRegionLocation();<a name="line.685"></a> -<span class="sourceLineNo">686</span> }<a name="line.686"></a> -<span class="sourceLineNo">687</span><a name="line.687"></a> -<span class="sourceLineNo">688</span> @Override<a name="line.688"></a> -<span class="sourceLineNo">689</span> public HRegionLocation relocateRegion(final TableName tableName,<a name="line.689"></a> -<span class="sourceLineNo">690</span> final byte [] row) throws IOException{<a name="line.690"></a> -<span class="sourceLineNo">691</span> RegionLocations locations = relocateRegion(tableName, row,<a name="line.691"></a> -<span class="sourceLineNo">692</span> RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.692"></a> -<span class="sourceLineNo">693</span> return locations == null ? null :<a name="line.693"></a> -<span class="sourceLineNo">694</span> locations.getRegionLocation(RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.694"></a> -<span class="sourceLineNo">695</span> }<a name="line.695"></a> -<span class="sourceLineNo">696</span><a name="line.696"></a> -<span class="sourceLineNo">697</span> @Override<a name="line.697"></a> -<span class="sourceLineNo">698</span> public RegionLocations relocateRegion(final TableName tableName,<a name="line.698"></a> -<span class="sourceLineNo">699</span> final byte [] row, int replicaId) throws IOException{<a name="line.699"></a> -<span class="sourceLineNo">700</span> // Since this is an explicit request not to use any caching, finding<a name="line.700"></a> -<span class="sourceLineNo">701</span> // disabled tables should not be desirable. This will ensure that an exception is thrown when<a name="line.701"></a> -<span class="sourceLineNo">702</span> // the first time a disabled table is interacted with.<a name="line.702"></a> -<span class="sourceLineNo">703</span> if (!tableName.equals(TableName.META_TABLE_NAME) && isTableDisabled(tableName)) {<a name="line.703"></a> -<span class="sourceLineNo">704</span> throw new TableNotEnabledException(tableName.getNameAsString() + " is disabled.");<a name="line.704"></a> -<span class="sourceLineNo">705</span> }<a name="line.705"></a> -<span class="sourceLineNo">706</span><a name="line.706"></a> -<span class="sourceLineNo">707</span> return locateRegion(tableName, row, false, true, replicaId);<a name="line.707"></a> -<span class="sourceLineNo">708</span> }<a name="line.708"></a> -<span class="sourceLineNo">709</span><a name="line.709"></a> -<span class="sourceLineNo">710</span> @Override<a name="line.710"></a> -<span class="sourceLineNo">711</span> public RegionLocations locateRegion(final TableName tableName,<a name="line.711"></a> -<span class="sourceLineNo">712</span> final byte [] row, boolean useCache, boolean retry)<a name="line.712"></a> -<span class="sourceLineNo">713</span> throws IOException {<a name="line.713"></a> -<span class="sourceLineNo">714</span> return locateRegion(tableName, row, useCache, retry, RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.714"></a> -<span class="sourceLineNo">715</span> }<a name="line.715"></a> -<span class="sourceLineNo">716</span><a name="line.716"></a> -<span class="sourceLineNo">717</span> @Override<a name="line.717"></a> -<span class="sourceLineNo">718</span> public RegionLocations locateRegion(final TableName tableName,<a name="line.718"></a> -<span class="sourceLineNo">719</span> final byte [] row, boolean useCache, boolean retry, int replicaId)<a name="line.719"></a> -<span class="sourceLineNo">720</span> throws IOException {<a name="line.720"></a> -<span class="sourceLineNo">721</span> if (this.closed) {<a name="line.721"></a> -<span class="sourceLineNo">722</span> throw new DoNotRetryIOException(toString() + " closed");<a name="line.722"></a> -<span class="sourceLineNo">723</span> }<a name="line.723"></a> -<span class="sourceLineNo">724</span> if (tableName== null || tableName.getName().length == 0) {<a name="line.724"></a> -<span class="sourceLineNo">725</span> throw new IllegalArgumentException(<a name="line.725"></a> -<span class="sourceLineNo">726</span> "table name cannot be null or zero length");<a name="line.726"></a> -<span class="sourceLineNo">727</span> }<a name="line.727"></a> -<span class="sourceLineNo">728</span> if (tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.728"></a> -<span class="sourceLineNo">729</span> return locateMeta(tableName, useCache, replicaId);<a name="line.729"></a> -<span class="sourceLineNo">730</span> } else {<a name="line.730"></a> -<span class="sourceLineNo">731</span> // Region not in the cache - have to go to the meta RS<a name="line.731"></a> -<span class="sourceLineNo">732</span> return locateRegionInMeta(tableName, row, useCache, retry, replicaId);<a name="line.732"></a> -<span class="sourceLineNo">733</span> }<a name="line.733"></a> -<span class="sourceLineNo">734</span> }<a name="line.734"></a> -<span class="sourceLineNo">735</span><a name="line.735"></a> -<span class="sourceLineNo">736</span> private RegionLocations locateMeta(final TableName tableName,<a name="line.736"></a> -<span class="sourceLineNo">737</span> boolean useCache, int replicaId) throws IOException {<a name="line.737"></a> -<span class="sourceLineNo">738</span> // HBASE-10785: We cache the location of the META itself, so that we are not overloading<a name="line.738"></a> -<span class="sourceLineNo">739</span> // zookeeper with one request for every region lookup. We cache the META with empty row<a name="line.739"></a> -<span class="sourceLineNo">740</span> // key in MetaCache.<a name="line.740"></a> -<span class="sourceLineNo">741</span> byte[] metaCacheKey = HConstants.EMPTY_START_ROW; // use byte[0] as the row for meta<a name="line.741"></a> -<span class="sourceLineNo">742</span> RegionLocations locations = null;<a name="line.742"></a> -<span class="sourceLineNo">743</span> if (useCache) {<a name="line.743"></a> -<span class="sourceLineNo">744</span> locations = getCachedLocation(tableName, metaCacheKey);<a name="line.744"></a> -<span class="sourceLineNo">745</span> if (locations != null && locations.getRegionLocation(replicaId) != null) {<a name="line.745"></a> -<span class="sourceLineNo">746</span> return locations;<a name="line.746"></a> -<span class="sourceLineNo">747</span> }<a name="line.747"></a> -<span class="sourceLineNo">748</span> }<a name="line.748"></a> -<span class="sourceLineNo">749</span><a name="line.749"></a> -<span class="sourceLineNo">750</span> // only one thread should do the lookup.<a name="line.750"></a> -<span class="sourceLineNo">751</span> synchronized (metaRegionLock) {<a name="line.751"></a> -<span class="sourceLineNo">752</span> // Check the cache again for a hit in case some other thread made the<a name="line.752"></a> -<span class="sourceLineNo">753</span> // same query while we were waiting on the lock.<a name="line.753"></a> -<span class="sourceLineNo">754</span> if (useCache) {<a name="line.754"></a> -<span class="sourceLineNo">755</span> locations = getCachedLocation(tableName, metaCacheKey);<a name="line.755"></a> -<span class="sourceLineNo">756</span> if (locations != null && locations.getRegionLocation(replicaId) != null) {<a name="line.756"></a> -<span class="sourceLineNo">757</span> return locations;<a name="line.757"></a> -<span class="sourceLineNo">758</span> }<a name="line.758"></a> -<span class="sourceLineNo">759</span> }<a name="line.759"></a> -<span class="sourceLineNo">760</span><a name="line.760"></a> -<span class="sourceLineNo">761</span> // Look up from zookeeper<a name="line.761"></a> -<span class="sourceLineNo">762</span> locations = get(this.registry.getMetaRegionLocation());<a name="line.762"></a> -<span class="sourceLineNo">763</span> if (locations != null) {<a name="line.763"></a> -<span class="sourceLineNo">764</span> cacheLocation(tableName, locations);<a name="line.764"></a> -<span class="sourceLineNo">765</span> }<a name="line.765"></a> -<span class="sourceLineNo">766</span> }<a name="line.766"></a> -<span class="sourceLineNo">767</span> return locations;<a name="line.767"></a> -<span class="sourceLineNo">768</span> }<a name="line.768"></a> -<span class="sourceLineNo">769</span><a name="line.769"></a> -<span class="sourceLineNo">770</span> /*<a name="line.770"></a> -<span class="sourceLineNo">771</span> * Search the hbase:meta table for the HRegionLocation<a name="line.771"></a> -<span class="sourceLineNo">772</span> * info that contains the table and row we're seeking.<a name="line.772"></a> -<span class="sourceLineNo">773</span> */<a name="line.773"></a> -<span class="sourceLineNo">774</span> private RegionLocations locateRegionInMeta(TableName tableName, byte[] row,<a name="line.774"></a> -<span class="sourceLineNo">775</span> boolean useCache, boolean retry, int replicaId) throws IOException {<a name="line.775"></a> -<span class="sourceLineNo">776</span><a name="line.776"></a> -<span class="sourceLineNo">777</span> // If we are supposed to be using the cache, look in the cache to see if<a name="line.777"></a> -<span class="sourceLineNo">778</span> // we already have the region.<a name="line.778"></a> -<span class="sourceLineNo">779</span> if (useCache) {<a name="line.779"></a> -<span class="sourceLineNo">780</span> RegionLocations locations = getCachedLocation(tableName, row);<a name="line.780"></a> -<span class="sourceLineNo">781</span> if (locations != null && locations.getRegionLocation(replicaId) != null) {<a name="line.781"></a> -<span class="sourceLineNo">782</span> return locations;<a name="line.782"></a> -<span class="sourceLineNo">783</span> }<a name="line.783"></a> -<span class="sourceLineNo">784</span> }<a name="line.784"></a> -<span class="sourceLineNo">785</span><a name="line.785"></a> -<span class="sourceLineNo">786</span> // build the key of the meta region we should be looking for.<a name="line.786"></a> -<span class="sourceLineNo">787</span> // the extra 9's on the end are necessary to allow "exact" matches<a name="line.787"></a> -<span class="sourceLineNo">788</span> // without knowing the precise region names.<a name="line.788"></a> -<span class="sourceLineNo">789</span> byte[] metaStartKey = RegionInfo.createRegionName(tableName, row, HConstants.NINES, false);<a name="line.789"></a> -<span class="sourceLineNo">790</span> byte[] metaStopKey =<a name="line.790"></a> -<span class="sourceLineNo">791</span> RegionInfo.createRegionName(tableName, HConstants.EMPTY_START_ROW, "", false);<a name="line.791"></a> -<span class="sourceLineNo">792</span><a name="line.792"></a> -<span class="sourceLineNo">793</span> Scan s = new Scan();<a name="line.793"></a> -<span class="sourceLineNo">794</span> s.setReversed(true);<a name="line.794"></a> -<span class="sourceLineNo">795</span> s.withStartRow(metaStartKey);<a name="line.795"></a> -<span class="sourceLineNo">796</span> s.withStopRow(metaStopKey, true);<a name="line.796"></a> -<span class="sourceLineNo">797</span> s.addFamily(HConstants.CATALOG_FAMILY);<a name="line.797"></a> -<span class="sourceLineNo">798</span><a name="line.798"></a> -<span class="sourceLineNo">799</span> if (this.useMetaReplicas) {<a name="line.799"></a> -<span class="sourceLineNo">800</span> s.setConsistency(Consistency.TIMELINE);<a name="line.800"></a> -<span class="sourceLineNo">801</span> }<a name="line.801"></a> -<span class="sourceLineNo">802</span><a name="line.802"></a> -<span class="sourceLineNo">803</span> int maxAttempts = (retry ? numTries : 1);<a name="line.803"></a> -<span class="sourceLineNo">804</span> for (int tries = 0; true; tries++) {<a name="line.804"></a> -<span class="sourceLineNo">805</span> if (tries >= maxAttempts) {<a name="line.805"></a> -<span class="sourceLineNo">806</span> throw new NoServerForRegionException("Unable to find region for "<a name="line.806"></a> -<span class="sourceLineNo">807</span> + Bytes.toStringBinary(row) + " in " + tableName + " after " + tries + " tries.");<a name="line.807"></a> -<span class="sourceLineNo">808</span> }<a name="line.808"></a> -<span class="sourceLineNo">809</span> if (useCache) {<a name="line.809"></a> -<span class="sourceLineNo">810</span> RegionLocations locations = getCachedLocation(tableName, row);<a name="line.810"></a> -<span class="sourceLineNo">811</span> if (locations != null && locations.getRegionLocation(replicaId) != null) {<a name="line.811"></a> -<span class="sourceLineNo">812</span> return locations;<a name="line.812"></a> -<span class="sourceLineNo">813</span> }<a name="line.813"></a> -<span class="sourceLineNo">814</span> } else {<a name="line.814"></a> -<span class="sourceLineNo">815</span> // If we are not supposed to be using the cache, delete any existing cached location<a name="line.815"></a> -<span class="sourceLineNo">816</span> // so it won't interfere.<a name="line.816"></a> -<span class="sourceLineNo">817</span> // We are only supposed to clean the cache for the specific replicaId<a name="line.817"></a> -<span class="sourceLineNo">818</span> metaCache.clearCache(tableName, row, replicaId);<a name="line.818"></a> -<span class="sourceLineNo">819</span> }<a name="line.819"></a> -<span class="sourceLineNo">820</span><a name="line.820"></a> -<span class="sourceLineNo">821</span> // Query the meta region<a name="line.821"></a> -<span class="sourceLineNo">822</span> long pauseBase = this.pause;<a name="line.822"></a> -<span class="sourceLineNo">823</span> userRegionLock.lock();<a name="line.823"></a> -<span class="sourceLineNo">824</span> try {<a name="line.824"></a> -<span class="sourceLineNo">825</span> if (useCache) {// re-check cache after get lock<a name="line.825"></a> -<span class="sourceLineNo">826</span> RegionLocations locations = getCachedLocation(tableName, row);<a name="line.826"></a> -<span class="sourceLineNo">827</span> if (locations != null && locations.getRegionLocation(replicaId) != null) {<a name="line.827"></a> -<span class="sourceLineNo">828</span> return locations;<a name="line.828"></a> -<span class="sourceLineNo">829</span> }<a name="line.829"></a> -<span class="sourceLineNo">830</span> }<a name="line.830"></a> -<span class="sourceLineNo">831</span> Result regionInfoRow = null;<a name="line.831"></a> -<span class="sourceLineNo">832</span> s.resetMvccReadPoint();<a name="line.832"></a> -<span class="sourceLineNo">833</span> s.setOneRowLimit();<a name="line.833"></a> -<span class="sourceLineNo">834</span> try (ReversedClientScanner rcs =<a name="line.834"></a> -<span class="sourceLineNo">835</span> new ReversedClientScanner(conf, s, TableName.META_TABLE_NAME, this, rpcCallerFactory,<a name="line.835"></a> -<span class="sourceLineNo">836</span> rpcControllerFactory, getMetaLookupPool(), metaReplicaCallTimeoutScanInMicroSecond)) {<a name="line.836"></a> -<span class="sourceLineNo">837</span> regionInfoRow = rcs.next();<a name="line.837"></a> -<span class="sourceLineNo">838</span> }<a name="line.838"></a> -<span class="sourceLineNo">839</span><a name="line.839"></a> -<span class="sourceLineNo">840</span> if (regionInfoRow == null) {<a name="line.840"></a> -<span class="sourceLineNo">841</span> throw new TableNotFoundException(tableName);<a name="line.841"></a> -<span class="sourceLineNo">842</span> }<a name="line.842"></a> -<span class="sourceLineNo">843</span> // convert the row result into the HRegionLocation we need!<a name="line.843"></a> -<span class="sourceLineNo">844</span> RegionLocations locations = MetaTableAccessor.getRegionLocations(regionInfoRow);<a name="line.844"></a> -<span class="sourceLineNo">845</span> if (locations == null || locations.getRegionLocation(replicaId) == null) {<a name="line.845"></a> -<span class="sourceLineNo">846</span> throw new IOException("RegionInfo null in " + tableName + ", row=" + regionInfoRow);<a name="line.846"></a> -<span class="sourceLineNo">847</span> }<a name="line.847"></a> -<span class="sourceLineNo">848</span> RegionInfo regionInfo = locations.getRegionLocation(replicaId).getRegion();<a name="line.848"></a> -<span class="sourceLineNo">849</span> if (regionInfo == null) {<a name="line.849"></a> -<span class="sourceLineNo">850</span> throw new IOException("RegionInfo null or empty in " +<a name="line.850"></a> -<span class="sourceLineNo">851</span> TableName.META_TABLE_NAME + ", row=" + regionInfoRow);<a name="line.851"></a> -<span class="sourceLineNo">852</span> }<a name="line.852"></a> -<span class="sourceLineNo">853</span><a name="line.853"></a> -<span class="sourceLineNo">854</span> // possible we got a region of a different table...<a name="line.854"></a> -<span class="sourceLineNo">855</span> if (!regionInfo.getTable().equals(tableName)) {<a name="line.855"></a> -<span class="sourceLineNo">856</span> throw new TableNotFoundException(<a name="line.856"></a> -<span class="sourceLineNo">857</span> "Region of '" + regionInfo.getRegionNameAsString() + "' is expected in the table of '" + tableName + "', " +<a name="line.857"></a> -<span class="sourceLineNo">858</span> "but hbase:meta says it is in the table of '" + regionInfo.getTable() + "'. " +<a name="line.858"></a> -<span class="sourceLineNo">859</span> "hbase:meta might be damaged.");<a name="line.859"></a> -<span class="sourceLineNo">860</span> }<a name="line.860"></a> -<span class="sourceLineNo">861</span> if (regionInfo.isSplit()) {<a name="line.861"></a> -<span class="sourceLineNo">862</span> throw new RegionOfflineException ("Region for row is a split parent, daughters not online: " +<a name="line.862"></a> -<span class="sourceLineNo">863</span> regionInfo.getRegionNameAsString());<a name="line.863"></a> -<span class="sourceLineNo">864</span> }<a name="line.864"></a> -<span class="sourceLineNo">865</span> if (regionInfo.isOffline()) {<a name="line.865"></a> -<span class="sourceLineNo">866</span> throw new RegionOfflineException("Region offline; disable table call? " +<a name="line.866"></a> -<span class="sourceLineNo">867</span> regionInfo.getRegionNameAsString());<a name="line.867"></a> -<span class="sourceLineNo">868</span> }<a name="line.868"></a> -<span class="sourceLineNo">869</span><a name="line.869"></a> -<span class="sourceLineNo">870</span> ServerName serverName = locations.getRegionLocation(replicaId).getServerName();<a name="line.870"></a> -<span class="sourceLineNo">871</span> if (serverName == null) {<a name="line.871"></a> -<span class="sourceLineNo">872</span> throw new NoServerForRegionException("No server address listed in "<a name="line.872"></a> -<span class="sourceLineNo">873</span> + TableName.META_TABLE_NAME + " for region " + regionInfo.getRegionNameAsString()<a name="line.873"></a> -<span class="sourceLineNo">874</span> + " containing row " + Bytes.toStringBinary(row));<a name="line.874"></a> -<span class="sourceLineNo">875</span> }<a name="line.875"></a> -<span class="sourceLineNo">876</span><a name="line.876"></a> -<span class="sourceLineNo">877</span> if (isDeadServer(serverName)){<a name="line.877"></a> -<span class="sourceLineNo">878</span> throw new RegionServerStoppedException("hbase:meta says the region "+<a name="line.878"></a> -<span class="sourceLineNo">879</span> regionInfo.getRegionNameAsString()+" is managed by the server " + serverName +<a name="line.879"></a> -<span class="sourceLineNo">880</span> ", but it is dead.");<a name="line.880"></a> -<span class="sourceLineNo">881</span> }<a name="line.881"></a> -<span class="sourceLineNo">882</span> // Instantiate the location<a name="line.882"></a> -<span class="sourceLineNo">883</span> cacheLocation(tableName, locations);<a name="line.883"></a> -<span class="sourceLineNo">884</span> return locations;<a name="line.884"></a> -<span class="sourceLineNo">885</span> } catch (TableNotFoundException e) {<a name="line.885"></a> -<span class="sourceLineNo">886</span> // if we got this error, probably means the table just plain doesn't<a name="line.886"></a> -<span class="sourceLineNo">887</span> // exist. rethrow the error immediately. this should always be coming<a name="line.887"></a> -<span class="sourceLineNo">888</span> // from the HTable constructor.<a name="line.888"></a> -<span class="sourceLineNo">889</span> throw e;<a name="line.889"></a> -<span class="sourceLineNo">890</span> } catch (IOException e) {<a name="line.890"></a> -<span class="sourceLineNo">891</span> ExceptionUtil.rethrowIfInterrupt(e);<a name="line.891"></a> -<span class="sourceLineNo">892</span> if (e instanceof RemoteException) {<a name="line.892"></a> -<span class="sourceLineNo">893</span> e = ((RemoteException)e).unwrapRemoteException();<a name="line.893"></a> -<span class="sourceLineNo">894</span> }<a name="line.894"></a> -<span class="sourceLineNo">895</span> if (e instanceof CallQueueTooBigException) {<a name="line.895"></a> -<span class="sourceLineNo">896</span> // Give a special check on CallQueueTooBigException, see #HBASE-17114<a name="line.896"></a> -<span class="sourceLineNo">897</span> pauseBase = this.pauseForCQTBE;<a name="line.897"></a> -<span class="sourceLineNo">898</span> }<a name="line.898"></a> -<span class="sourceLineNo">899</span> if (tries < maxAttempts - 1) {<a name="line.899"></a> -<span class="sourceLineNo">900</span> if (LOG.isDebugEnabled()) {<a name="line.900"></a> -<span class="sourceLineNo">901</span> LOG.debug("locateRegionInMeta parentTable=" + TableName.META_TABLE_NAME<a name="line.901"></a> -<span class="sourceLineNo">902</span> + ", metaLocation=" + ", attempt=" + tries + " of " + maxAttempts<a name="line.902"></a> -<span class="sourceLineNo">903</span> + " failed; retrying after sleep of "<a name="line.903"></a> -<span class="sourceLineNo">904</span> + ConnectionUtils.getPauseTime(pauseBase, tries) + " because: " + e.getMessage());<a name="line.904"></a> -<span class="sourceLineNo">905</span> }<a name="line.905"></a> -<span class="sourceLineNo">906</span> } else {<a name="line.906"></a> -<span class="sourceLineNo">907</span> throw e;<a name="line.907"></a> -<span class="sourceLineNo">908</span> }<a name="line.908"></a> -<span class="sourceLineNo">909</span> // Only relocate the parent region if necessary<a name="line.909"></a> -<span class="sourceLineNo">910</span> if(!(e instanceof RegionOfflineException ||<a name="line.910"></a> -<span class="sourceLineNo">911</span> e instanceof NoServerForRegionException)) {<a name="line.911"></a> -<span class="sourceLineNo">912</span> relocateRegion(TableName.META_TABLE_NAME, metaStartKey, replicaId);<a name="line.912"></a> -<span class="sourceLineNo">913</span> }<a name="line.913"></a> -<span class="sourceLineNo">914</span> } finally {<a name="line.914"></a> -<span class="sourceLineNo">915</span> userRegionLock.unlock();<a name="line.915"></a> -<span class="sourceLineNo">916</span> }<a name="line.916"></a> -<span class="sourceLineNo">917</span> try{<a name="line.917"></a> -<span class="sourceLineNo">918</span> Thread.sleep(ConnectionUtils.getPauseTime(pauseBase, tries));<a name="line.918"></a> -<span class="sourceLineNo">919</span> } catch (InterruptedException e) {<a name="line.919"></a> -<span class="sourceLineNo">920</span> throw new InterruptedIOException("Giving up trying to location region in " +<a name="line.920"></a> -<span class="sourceLineNo">921</span> "meta: thread is interrupted.");<a name="line.921"></a> -<span class="sourceLineNo">922</span> }<a name="line.922"></a> -<span class="sourceLineNo">923</span> }<a name="line.923"></a> -<span class="sourceLineNo">924</span> }<a name="line.924"></a> -<span class="sourceLineNo">925</span><a name="line.925"></a> -<span class="sourceLineNo">926</span> /**<a name="line.926"></a> -<span class="sourceLineNo">927</span> * Put a newly discovered HRegionLocation into the cache.<a name="line.927"></a> -<span class="sourceLineNo">928</span> * @param tableName The table name.<a name="line.928"></a> -<span class="sourceLineNo">929</span> * @param location the new location<a name="line.929"></a> -<span class="sourceLineNo">930</span> */<a name="line.930"></a> -<span class="sourceLineNo">931</span> @Override<a name="line.931"></a> -<span class="sourceLineNo">932</span> public void cacheLocation(final TableName tableName, final RegionLocations location) {<a name="line.932"></a> -<span class="sourceLineNo">933</span> metaCache.cacheLocation(tableName, location);<a name="line.933"></a> -<span class="sourceLineNo">934</span> }<a name="line.934"></a> -<span class="sourceLineNo">935</span><a name="line.935"></a> -<span class="sourceLineNo">936</span> /**<a name="line.936"></a> -<span class="sourceLineNo">937</span> * Search the cache for a location that fits our table and row key.<a name="line.937"></a> -<span class="sourceLineNo">938</span> * Return null if no suitable region is located.<a name="line.938"></a> -<span class="sourceLineNo">939</span> * @return Null or region location found in cache.<a name="line.939"></a> -<span class="sourceLineNo">940</span> */<a name="line.940"></a> -<span class="sourceLineNo">941</span> RegionLocations getCachedLocation(final TableName tableName,<a name="line.941"></a> -<span class="sourceLineNo">942</span> final byte [] row) {<a name="line.942"></a> -<span class="sourceLineNo">943</span> return metaCache.getCachedLocation(tableName, row);<a name="line.943"></a> -<span class="sourceLineNo">944</span> }<a name="line.944"></a> -<span class="sourceLineNo">945</span><a name="line.945"></a> -<span class="sourceLineNo">946</span> public void clearRegionCache(final TableName tableName, byte[] row) {<a name="line.946"></a> -<span class="sourceLineNo">947</span> metaCache.clearCache(tableName, row);<a name="line.947"></a> -<span class="sourceLineNo">948</span> }<a name="line.948"></a> -<span class="sourceLineNo">949</span><a name="line.949"></a> -<span class="sourceLineNo">950</span> /*<a name="line.950"></a> -<span class="sourceLineNo">951</span> * Delete all cached entries of a table that maps to a specific location.<a name="line.951"></a> -<span class="sourceLineNo">952</span> */<a name="line.952"></a> -<span class="sourceLineNo">953</span> @Override<a name="line.953"></a> -<span class="sourceLineNo">954</span> public void clearCaches(final ServerName serverName) {<a name="line.954"></a> -<span class="sourceLineNo">955</span> metaCache.clearCache(serverName);<a name="line.955"></a> -<span class="sourceLineNo">956</span> }<a name="line.956"></a> -<span class="sourceLineNo">957</span><a name="line.957"></a> -<span class="sourceLineNo">958</span> @Override<a name="line.958"></a> -<span class="sourceLineNo">959</span> public void clearRegionCache() {<a name="line.959"></a> -<span class="sourceLineNo">960</span> metaCache.clearCache();<a name="line.960"></a> -<span class="sourceLineNo">961</span> }<a name="line.961"></a> -<span class="sourceLineNo">962</span><a name="line.962"></a> -<span class="sourceLineNo">963</span> @Override<a name="line.963"></a> -<span class="sourceLineNo">964</span> public void clearRegionCache(final TableName tableName) {<a name="line.964"></a> -<span class="sourceLineNo">965</span> metaCache.clearCache(tableName);<a name="line.965"></a> -<span class="sourceLineNo">966</span> }<a name="line.966"></a> -<span class="sourceLineNo">967</span><a name="line.967"></a> -<span class="sourceLineNo">968</span> /**<a name="line.968"></a> -<span class="sourceLineNo">969</span> * Put a newly discovered HRegionLocation into the cache.<a name="line.969"></a> -<span class="sourceLineNo">970</span> * @param tableName The table name.<a name="line.970"></a> -<span class="sourceLineNo">971</span> * @param source the source of the new location, if it's not coming from meta<a name="line.971"></a> -<span class="sourceLineNo">972</span> * @param location the new location<a name="line.972"></a> -<span class="sourceLineNo">973</span> */<a name="line.973"></a> -<span class="sourceLineNo">974</span> private void cacheLocation(final TableName tableName, final ServerName source,<a name="line.974"></a> -<span class="sourceLineNo">975</span> final HRegionLocation location) {<a name="line.975"></a> -<span class="sourceLineNo">976</span> metaCache.cacheLocation(tableName, source, location);<a name="line.976"></a> -<span class="sourceLineNo">977</span> }<a name="line.977"></a> -<span class="sourceLineNo">978</span><a name="line.978"></a> -<span class="sourceLineNo">979</span> // Map keyed by service name + regionserver to service stub implementation<a name="line.979"></a> -<span class="sourceLineNo">980</span> private final ConcurrentMap<String, Object> stubs = new ConcurrentHashMap<>();<a name="line.980"></a> -<span class="sourceLineNo">981</span><a name="line.981"></a> -<span class="sourceLineNo">982</span> /**<a name="line.982"></a> -<span class="sourceLineNo">983</span> * State of the MasterService connection/setup.<a name="line.983"></a> -<span class="sourceLineNo">984</span> */<a name="line.984"></a> -<span class="sourceLineNo">985</span> static class MasterServiceState {<a name="line.985"></a> -<span class="sourceLineNo">986</span> Connection connection;<a name="line.986"></a> -<span class="sourceLineNo">987</span><a name="line.987"></a> -<span class="sourceLineNo">988</span> MasterProtos.MasterService.BlockingInterface stub;<a name="line.988"></a> -<span class="sourceLineNo">989</span> int userCount;<a name="line.989"></a> -<span class="sourceLineNo">990</span><a name="line.990"></a> -<span class="sourceLineNo">991</span> MasterServiceState(final Connection connection) {<a name="line.991"></a> -<span class="sourceLineNo">992</span> super();<a name="line.992"></a> -<span class="sourceLineNo">993</span> this.connection = connection;<a name="line.993"></a> -<span class="sourceLineNo">994</span> }<a name="line.994"></a> -<span class="sourceLineNo">995</span><a name="line.995"></a> -<span class="sourceLineNo">996</span> @Override<a name="line.996"></a> -<span class="sourceLineNo">997</span> public String toString() {<a name="line.997"></a> -<span class="sourceLineNo">998</span> return "MasterService";<a name="line.998"></a> -<span class="sourceLineNo">999</span> }<a name="line.999"></a> -<span class="sourceLineNo">1000</span><a name="line.1000"></a> -<span class="sourceLineNo">1001</span> Object getStub() {<a name="line.1001"></a> -<span class="sourceLineNo">1002</span> return this.stub;<a name="line.1002"></a> -<span class="sourceLineNo">1003</span> }<a name="line.1003"></a> -<span class="sourceLineNo">1004</span><a name="line.1004"></a> -<span class="sourceLineNo">1005</span> void clearStub() {<a name="line.1005"></a> -<span class="sourceLineNo">1006</span> this.stub = null;<a name="line.1006"></a> -<span class="sourceLineNo">1007</span> }<a name="line.1007"></a> -<span class="sourceLineNo">1008</span><a name="line.1008"></a> -<span class="sourceLineNo">1009</span> boolean isMasterRunning() throws IOException {<a name="line.1009"></a> -<span class="sourceLineNo">1010</span> MasterProtos.IsMasterRunningResponse response = null;<a name="line.1010"></a> -<span class="sourceLineNo">1011</span> try {<a name="line.1011"></a> -<span class="sourceLineNo">1012</span> response = this.stub.isMasterRunning(null, RequestConverter.buildIsMasterRunningRequest());<a name="line.1012"></a> -<span class="sourceLineNo">1013</span> } catch (Exception e) {<a name="line.1013"></a> -<span class="sourceLineNo">1014</span> throw ProtobufUtil.handleRemoteException(e);<a name="line.1014"></a> -<span class="sourceLineNo">1015</span> }<a name="line.1015"></a> -<span class="sourceLineNo">1016</span> return response != null? response.getIsMasterRunning(): false;<a name="line.1016"></a> -<span class="sourceLineNo">1017</span> }<a name="line.1017"></a> -<span class="sourceLineNo">1018</span> }<a name="line.1018"></a> -<span class="sourceLineNo">1019</span><a name="line.1019"></a> -<span class="sourceLineNo">1020</span> /**<a name="line.1020"></a> -<span class="sourceLineNo">1021</span> * The record of errors for servers.<a name="line.1021"></a> -<span class="sourceLineNo">1022</span> */<a name="line.1022"></a> -<span class="sourceLineNo">1023</span> static class ServerErrorTracker {<a name="line.1023"></a> -<span class="sourceLineNo">1024</span> // We need a concurrent map here, as we could have multiple threads updating it in parallel.<a name="line.1024"></a> -<span class="sourceLineNo">1025</span> private final ConcurrentMap<ServerName, ServerErrors> errorsByServer = new ConcurrentHashMap<>();<a name="line.1025"></a> -<span class="sourceLineNo">1026</span> private final long canRetryUntil;<a name="line.1026"></a> -<span class="sourceLineNo">1027</span> private final int maxTries;// max number to try<a name="line.1027"></a> -<span class="sourceLineNo">1028</span> private final long startTrackingTime;<a name="line.1028"></a> -<span class="sourceLineNo">1029</span><a name="line.1029"></a> -<span class="sourceLineNo">1030</span> /**<a name="line.1030"></a> -<span class="sourceLineNo">1031</span> * Constructor<a name="line.1031"></a> -<span class="sourceLineNo">1032</span> * @param timeout how long to wait before timeout, in unit of millisecond<a name="line.1032"></a> -<span class="sourceLineNo">1033</span> * @param maxTries how many times to try<a name="line.1033"></a> -<span class="sourceLineNo">1034</span> */<a name="line.1034"></a> -<span class="sourceLineNo">1035</span> public ServerErrorTracker(long timeout, int maxTries) {<a name="line.1035"></a> -<span class="sourceLineNo">1036</span> this.maxTries = maxTries;<a name="line.1036"></a> -<span class="sourceLineNo">1037</span> this.canRetryUntil = EnvironmentEdgeManager.currentTime() + timeout;<a name="line.1037"></a> -<span class="sourceLineNo">1038</span> this.startTrackingTime = new Date().getTime();<a name="line.1038"></a> -<span class="sourceLineNo">1039</span> }<a name="line.1039"></a> -<span class="sourceLineNo">1040</span><a name="line.1040"></a> -<span class="sourceLineNo">1041</span> /**<a name="line.1041"></a> -<span class="sourceLineNo">1042</span> * We stop to retry when we have exhausted BOTH the number of tries and the time allocated.<a name="line.1042"></a> -<span class="sourceLineNo">1043</span> * @param numAttempt how many times we have tried by now<a name="line.1043"></a> -<span class="sourceLineNo">1044</span> */<a name="line.1044"></a> -<span class="sourceLineNo">1045</span> boolean canTryMore(int numAttempt) {<a name="line.1045"></a> -<span class="sourceLineNo">1046</span> // If there is a single try we must not take into account the time.<a name="line.1046"></a> -<span class="sourceLineNo">1047</span> return numAttempt < maxTries || (maxTries > 1 &&<a name="line.1047"></a> -<span class="sourceLineNo">1048</span> EnvironmentEdgeManager.currentTime() < this.canRetryUntil);<a name="line.1048"></a> -<span class="sourceLineNo">1049</span> }<a name="line.1049"></a> -<span class="sourceLineNo">1050</span><a name="line.1050"></a> -<span class="sourceLineNo">1051</span> /**<a name="line.1051"></a> -<span class="sourceLineNo">1052</span> * Calculates the back-off time for a retrying request to a particular server.<a name="line.1052"></a> -<span class="sourceLineNo">1053</span> *<a name="line.1053"></a> -<span class="sourceLineNo">1054</span> * @param server The server in question.<a name="line.1054"></a> -<span class="sourceLineNo">1055</span> * @param basePause The default hci pause.<a name="line.1055"></a> -<span class="sourceLineNo">1056</span> * @return The time to wait before sending next request.<a name="line.1056"></a> -<span class="sourceLineNo">1057</span> */<a name="line.1057"></a> -<span class="sourceLineNo">1058</span> long calculateBackoffTime(ServerName server, long basePause) {<a name="line.1058"></a> -<span class="sourceLineNo">1059</span> long result;<a name="line.1059"></a> -<span class="sourceLineNo">1060</span> ServerErrors errorStats = errorsByServer.get(server);<a name="line.1060"></a> -<span class="sourceLineNo">1061</span> if (errorStats != null) {<a name="line.1061"></a> -<span class="sourceLineNo">1062</span> result = ConnectionUtils.getPauseTime(basePause, Math.max(0, errorStats.getCount() - 1));<a name="line.1062"></a> -<span class="sourceLineNo">1063</span> } else {<a name="line.1063"></a> -<span class="sourceLineNo">1064</span> result = 0; // yes, if the server is not in our list we don't wait before retrying.<a name="line.1064"></a> -<span class="sourceLineNo">1065</span> }<a name="line.1065"></a> -<span class="sourceLineNo">1066</span> return result;<a name="line.1066"></a> -<span class="sourceLineNo">1067</span> }<a name="line.1067"></a> -<span class="sourceLineNo">1068</span><a name="line.1068"></a> -<span class="sourceLineNo">1069</span> /**<a name="line.1069"></a> -<span class="sourceLineNo">1070</span> * Reports that there was an error on the server to do whatever bean-counting necessary.<a name="line.1070"></a> -<span class="sourceLineNo">1071</span> * @param server The server in question.<a name="line.1071"></a> -<span class="sourceLineNo">1072</span> */<a name="line.1072"></a> -<span class="sourceLineNo">1073</span> void reportServerError(ServerName server) {<a name="line.1073"></a> -<span class="sourceLineNo">1074</span> computeIfAbsent(errorsByServer, server, ServerErrors::new).addError();<a name="line.1074"></a> -<span class="sourceLineNo">1075</span> }<a name="line.1075"></a> -<span class="sourceLineNo">1076</span><a name="line.1076"></a> -<span class="sourceLineNo">1077</span> long getStartTrackingTime() {<a name="line.1077"></a> -<span class="sourceLineNo">1078</span> return startTrackingTime;<a name="line.1078"></a> -<span class="sourceLineNo">1079</span> }<a name="line.1079"></a> -<span class="sourceLineNo">1080</span><a name="line.1080"></a> -<span class="sourceLineNo">1081</span> /**<a name="line.1081"></a> -<span class="sourceLineNo">1082</span> * The record of errors for a server.<a name="line.1082"></a> -<span class="sourceLineNo">1083</span> */<a name="line.1083"></a> -<span class="sourceLineNo">1084</span> private static class ServerErrors {<a name="line.1084"></a> -<span class="sourceLineNo">1085</span> private final AtomicInteger retries = new AtomicInteger(0);<a name="line.1085"></a> -<span class="sourceLineNo">1086</span><a name="line.1086"></a> -<span class="sourceLineNo">1087</span> public int getCount() {<a name="line.1087"></a> -<span class="sourceLineNo">1088</span> return retries.get();<a name="line.1088"></a> -<span class="sourceLineNo">1089</span> }<a name="line.1089"></a> -<span class="sourceLineNo">1090</span><a name="line.1090"></a> -<span class="sourceLineNo">1091</span> public void addError() {<a name="line.1091"></a> -<span class="sourceLineNo">1092</span> retries.incrementAndGet();<a name="line.1092"></a> -<span class="sourceLineNo">1093</span> }<a name="line.1093"></a> -<span class="sourceLineNo">1094</span> }<a name="line.1094"></a> -<span class="sourceLineNo">1095</span> }<a name="line.1095"></a> -<span class="sourceLineNo">1096</span><a name="line.1096"></a> -<span class="sourceLineNo">1097</span> /**<a name="line.1097"></a> -<span class="sourceLineNo">1098</span> * Class to make a MasterServiceStubMaker stub.<a name="line.1098"></a> -<span class="sourceLineNo">1099</span> */<a name="line.1099"></a> -<span class="sourceLineNo">1100</span> private final class MasterServiceStubMaker {<a name="line.1100"></a> -<span class="sourceLineNo">1101</span><a name="line.1101"></a> -<span class="sourceLineNo">1102</span> private void isMasterRunning(MasterProtos.MasterService.BlockingInterface stub)<a name="line.1102"></a> -<span class="sourceLineNo">1103</span> throws IOException {<a name="line.1103"></a> -<span class="sourceLineNo">1104</span> try {<a name="line.1104"></a> -<span class="sourceLineNo">1105</span> stub.isMasterRunning(null, RequestConverter.buildIsMasterRunningRequest());<a name="line.1105"></a> -<span class="sourceLineNo">1106</span> } catch (ServiceException e) {<a name="line.1106"></a> -<span class="sourceLineNo">1107</span> throw ProtobufUtil.handleRemoteException(e);<a name="line.1107"></a> -<span class="sourceLineNo">1108</span> }<a name="line.1108"></a> -<span class="sourceLineNo">1109</span> }<a name="line.1109"></a> -<span class="sourceLineNo">1110</span><a name="line.1110"></a> -<span class="sourceLineNo">1111</span> /**<a name="line.1111"></a> -<span class="sourceLineNo">1112</span> * Create a stub. Try once only. It is not typed because there is no common type to protobuf<a name="line.1112"></a> -<span class="sourceLineNo">1113</span> * services nor their interfaces. Let the caller do appropriate casting.<a name="line.1113"></a> -<span class="sourceLineNo">1114</span> * @return A stub for master services.<a name="line.1114"></a> -<span class="sourceLineNo">1115</span> */<a name="line.1115"></a> -<span class="sourceLineNo">1116</span> private MasterProtos.MasterService.BlockingInterface makeStubNoRetries()<a name="line.1116"></a> -<span class="sourceLineNo">1117</span> throws IOException, KeeperException {<a name="line.1117"></a> -<span class="sourceLineNo">1118</span> ServerName sn = get(registry.getMasterAddress());<a name="line.1118"></a> -<span class="sourceLineNo">1119</span> if (sn == null) {<a name="line.1119"></a> -<span class="sourceLineNo">1120</span> String msg = "ZooKeeper available but no active master location found";<a name="line.1120"></a> -<span class="sourceLineNo">1121</span> LOG.info(msg);<a name="line.1121"></a> -<span class="sourceLineNo">1122</span> throw new MasterNotRunningException(msg);<a name="line.1122"></a> -<span class="sourceLineNo">1123</span> }<a name="line.1123"></a> -<span class="sourceLineNo">1124</span> if (isDeadServer(sn)) {<a name="line.1124"></a> -<span class="sourceLineNo">1125</span> throw new MasterNotRunningException(sn + " is dead.");<a name="line.1125"></a> -<span class="sourceLineNo">1126</span> }<a name="line.1126"></a> -<span class="sourceLineNo">1127</span> // Use the security info interface name as our stub key<a name="line.1127"></a> -<span class="sourceLineNo">1128</span> String key =<a name="line.1128"></a> -<span class="sourceLineNo">1129</span> getStubKey(MasterProtos.MasterService.getDescriptor().getName(), sn, hostnamesCanChange);<a name="line.1129"></a> -<span class="sourceLineNo">1130</span> MasterProtos.MasterService.BlockingInterface stub =<a name="line.1130"></a> -<span class="sourceLineNo">1131</span> (MasterProtos.MasterService.BlockingInterface) computeIfAbsentEx(stubs, key, () -> {<a name="line.1131"></a> -<span class="sourceLineNo">1132</span> BlockingRpcChannel channel = rpcClient.createBlockingRpcChannel(sn, user, rpcTimeout);<a name="line.1132"></a> -<span class="sourceLineNo">1133</span> return MasterProtos.MasterService.newBlockingStub(channel);<a name="line.1133"></a> -<span class="sourceLineNo">1134</span> });<a name="line.1134"></a> -<span class="sourceLineNo">1135</span> isMasterRunning(stub);<a name="line.1135"></a> -<span class="sourceLineNo">1136</span> return stub;<a name="line.1136"></a> -<span class="sourceLineNo">1137</span> }<a name="line.1137"></a> -<span class="sourceLineNo">1138</span><a name="line.1138"></a> -<span class="sourceLineNo">1139</span> /**<a name="line.1139"></a> -<span class="sourceLineNo">1140</span> * Create a stub against the master. Retry if necessary.<a name="line.1140"></a> -<span class="sourceLineNo">1141</span> * @return A stub to do <code>intf</code> against the master<a name="line.1141"></a> -<span class="sourceLineNo">1142</span> * @throws org.apache.hadoop.hbase.MasterNotRunningException if master is not running<a name="line.1142"></a> -<span class="sourceLineNo">1143</span> */<a name="line.1143"></a> -<span class="sourceLineNo">1144</span> MasterProtos.MasterService.BlockingInterface makeStub() throws IOException {<a name="line.1144"></a> -<span class="sourceLineNo">1145</span> // The lock must be at the beginning to prevent multiple master creations<a name="line.1145"></a> -<span class="sourceLineNo">1146</span> // (and leaks) in a multithread context<a name="line.1146"></a> -<span class="sourceLineNo">1147</span> synchronized (masterLock) {<a name="line.1147"></a> -<span class="sourceLineNo">1148</span> Exception exceptionCaught = null;<a name="line.1148"></a> -<span class="sourceLineNo">1149</span> if (!closed) {<a name="line.1149"></a> -<span class="sourceLineNo">1150</span> try {<a name="line.1150"></a> -<span class="sourceLineNo">1151</span> return makeStubNoRetries();<a name="line.1151"></a> -<span class="sourceLineNo">1152</span> } catch (IOException e) {<a name="line.1152"></a> -<span class="sourceLineNo">1153</span> exceptionCaught = e;<a name="line.1153"></a> -<span class="sourceLineNo">1154</span> } catch (KeeperException e) {<a name="line.1154"></a> -<span class="sourceLineNo">1155</span> exceptionCaught = e;<a name="line.1155"></a> -<span class="sourceLineNo">1156</span> }<a name="line.1156"></a> -<span class="sourceLineNo">1157</span> throw new MasterNotRunningException(exceptionCaught);<a name="line.1157"></a> -<span class="sourceLineNo">1158</span> } else {<a name="line.1158"></a> -<span class="sourceLineNo">1159</span> throw new DoNotRetryIOException("Connection was closed while trying to get master");<a name="line.1159"></a> -<span class="sourceLineNo">1160</span> }<a name="line.1160"></a> -<span class="sourceLineNo">1161</span> }<a name="line.1161"></a> -<span class="sourceLineNo">1162</span> }<a name="line.1162"></a> -<span class="sourceLineNo">1163</span> }<a name="line.1163"></a> -<span class="sourceLineNo">1164</span><a name="line.1164"></a> -<span class="sourceLineNo">1165</span> @Override<a name="line.1165"></a> -<span class="sourceLineNo">1166</span> public AdminProtos.AdminService.BlockingInterface getAdminForMaster() throws IOException {<a name="line.1166"></a> -<span class="sourceLineNo">1167</span> return getAdmin(get(registry.getMasterAddress()));<a name="line.1167"></a> -<span class="sourceLineNo">1168</span> }<a name="line.1168"></a> -<span class="sourceLineNo">1169</span><a name="line.1169"></a> -<span class="sourceLineNo">1170</span> @Override<a name="line.1170"></a> -<span class="sourceLineNo">1171</span> public AdminProtos.AdminService.BlockingInterface getAdmin(ServerName serverName)<a name="line.1171"></a> -<span class="sourceLineNo">1172</span> throws IOException {<a name="line.1172"></a> -<span class="sourceLineNo">1173</span> if (isDeadServer(serverName)) {<a name="line.1173"></a> -<span class="sourceLineNo">1174</span> throw new RegionServerStoppedException(serverName + " is dead.");<a name="line.1174"></a> -<span class="sourceLineNo">1175</span> }<a name="line.1175"></a> -<span class="sourceLineNo">1176</span> String key = getStubKey(AdminProtos.AdminService.BlockingInterface.class.getName(), serverName,<a name="line.1176"></a> -<span class="sourceLineNo">1177</span> this.hostnamesCanChange);<a name="line.1177"></a> -<span class="sourceLineNo">1178</span> return (AdminProtos.AdminService.BlockingInterface) computeIfAbsentEx(stubs, key, () -> {<a name="line.1178"></a> -<span class="sourceLineNo">1179</span> BlockingRpcChannel channel =<a name="line.1179"></a> -<span class="sourceLineNo">1180</span> this.rpcClient.createBlockingRpcChannel(serverName, user, rpcTimeout);<a name="line.1180"></a> -<span class="sourceLineNo">1181</span> return AdminProtos.AdminService.newBlockingStub(channel);<a name="line.1181"></a> -<span class="sourceLineNo">1182</span> });<a name="line.1182"></a> -<span class="sourceLineNo">1183</span> }<a name="line.1183"></a> -<span class="sourceLineNo">1184</span><a name="line.1184"></a> -<span class="sourceLineNo">1185</span> @Override<a name="line.1185"></a> -<span class="sourceLineNo">1186</span> public BlockingInterface getClient(ServerName serverName) throws IOException {<a name="line.1186"></a> -<span class="sourceLineNo">1187</span> if (isDeadServer(serverName)) {<a name="line.1187"></a> -<span class="sourceLineNo">1188</span> throw new RegionServerStoppedException(serverName + " is dead.");<a name="line.1188"></a> -<span class="sourceLineNo">1189</span> }<a name="line.1189"></a> -<span class="sourceLineNo">1190</span> String key = getStubKey(ClientProtos.ClientService.BlockingInterface.class.getName(),<a name="line.1190"></a> -<span class="sourceLineNo">1191</span> serverName, this.hostnamesCanChange);<a name="line.1191"></a> -<span class="sourceLineNo">1192</span> return (ClientProtos.ClientService.BlockingInterface) computeIfAbsentEx(stubs, key, () -> {<a name="line.1192"></a> -<span class="sourceLineNo">1193</span> BlockingRpcChannel channel =<a name="line.1193"></a> -<span class="sourceLineNo">1194</span> this.rpcClient.createBlockingRpcChannel(serverName, user, rpcTimeout);<a name="line.1194"></a> -<span class="sourceLineNo">1195</span> return ClientProtos.ClientService.newBlockingStub(channel);<a name="line.1195"></a> -<span class="sourceLineNo">1196</span> });<a name="line.1196"></a> -<span class="sourceLineNo">1197</span> }<a name="line.1197"></a> -<span class="sourceLineNo">1198</span><a name="line.1198"></a> -<span class="sourceLineNo">1199</span> final MasterServiceState masterServiceState = new MasterServiceState(this);<a name="line.1199"></a> -<span class="sourceLineNo">1200</span><a name="line.1200"></a> -<span class="sourceLineNo">1201</span> @Override<a name="line.1201"></a> -<span class="sourceLineNo">1202</span> public MasterProtos.MasterService.BlockingInterface getMaster() throws MasterNotRunningException {<a name="line.1202"></a> -<span class="sourceLineNo">1203</span> return getKeepAliveMasterService();<a name="line.1203"></a> -<span class="sourceLineNo">1204</span> }<a name="line.1204"></a> -<span class="sourceLineNo">1205</span><a name="line.1205"></a> -<span class="sourceLineNo">1206</span> private void resetMasterServiceState(final MasterServiceState mss) {<a name="line.1206"></a> -<span class="sourceLineNo">1207</span> mss.userCount++;<a name="line.1207"></a> -<span class="sourceLineNo">1208</span> }<a name="line.1208"></a> -<span class="sourceLineNo">1209</span><a name="line.1209"></a> -<span class="sourceLineNo">1210</span> @Override<a name="line.1210"></a> -<span class="sourceLineNo">1211</span> public MasterKeepAliveConnection getKeepAliveMasterService()<a name="line.1211"></a> -<span class="sourceLineNo">1212</span> throws MasterNotRunningException {<a name="line.1212"></a> -<span class="sourceLineNo">1213</span> synchronized (masterLock) {<a name="line.1213"></a> -<span class="sourceLineNo">1214</span> if (!isKeepAliveMasterConnectedAndRunning(this.masterServiceState)) {<a name="line.1214"></a> -<span class="sourceLineNo">1215</span> MasterServiceStubMaker stubMaker = new MasterServiceStubMaker();<a name="line.1215"></a> -<span class="sourceLineNo">1216</span> try {<a name="line.1216"></a> -<span class="sourceLineNo">1217</span> this.masterServiceState.stub = stubMaker.makeStub();<a name="line.1217"></a> -<span class="sourceLineNo">1218</span> } catch (MasterNotRunningException ex) {<a name="line.1218"></a> -<span class="sourceLineNo">1219</span> throw ex;<a name="line.1219"></a> -<span class="sourceLineNo">1220</span> } catch (IOException e) {<a name="line.1220"></a> -<span class="sourceLineNo">1221</span> // rethrow as MasterNotRunningException so that we can keep the method sig<a name="line.1221"></a> -<span class="sourceLineNo">1222</span> throw new MasterNotRunningException(e);<a name="line.1222"></a> -<span class="sourceLineNo">1223</span> }<a name="line.1223"></a> -<span class="sourceLineNo">1224</span> }<a name="line.1224"></a> -<span class="sourceLineNo">1225</span> resetMasterServiceState(this.masterServiceState);<a name="line.1225"></a> -<span class="sourceLineNo">1226</span> }<a name="line.1226"></a> -<span class="sourceLineNo">1227</span> // Ugly delegation just so we can add in a Close method.<a name="line.1227"></a> -<span class="sourceLineNo">1228</span> final MasterProtos.MasterService.BlockingInterface stub = this.masterServiceState.stub;<a name="line.1228"></a> -<span class="sourceLineNo">1229</span> return new MasterKeepAliveConnection() {<a name="line.1229"></a> -<span class="sourceLineNo">1230</span> MasterServiceState mss = masterServiceState;<a name="line.1230"></a> -<span class="sourceLineNo">1231</span><a name="line.1231"></a> -<span class="sourceLineNo">1232</span> @Override<a name="line.1232"></a> -<span class="sourceLineNo">1233</span> public MasterProtos.AbortProcedureResponse abortProcedure(<a name="line.1233"></a> -<span class="sourceLineNo">1234</span> RpcController controller,<a name="line.1234"></a> -<span class="sourceLineNo">1235</span> MasterProtos.AbortProcedureRequest request) throws ServiceException {<a name="line.1235"></a> -<span class="sourceLineNo">1236</span> return stub.abortProcedure(controller, request);<a name="line.1236"></a> -<span class="sourceLineNo">1237</span> }<a name="line.1237"></a> -<span class="sourceLineNo">1238</span><a name="line.1238"></a> -<span class="sourceLineNo">1239</span> @Override<a name="line.1239"></a> -<span class="sourceLineNo">1240</span> public MasterProtos.GetProceduresResponse getProcedures(<a name="line.1240"></a> -<span class="sourceLineNo">1241</span> RpcController controller,<a name="line.1241"></a> -<span class="sourceLineNo">1242</span> MasterProtos.GetProceduresRequest request) throws ServiceException {<a name="line.1242"></a> -<span class="sourceLineNo">1243</span> return stub.getProcedures(controller, request);<a name="line.1243"></a> -<span class="sourceLineNo">1244</span> }<a name="line.1244"></a> -<span class="sourceLineNo">1245</span><a name="line.1245"></a> -<span class="sourceLineNo">1246</span> @Override<a name="line.1246"></a> -<span class="sourceLineNo">1247</span> public MasterProtos.GetLocksResponse getLocks(<a name="line.1247"></a> -<span class="sourceLineNo">1248</span> RpcController controller,<a name="line.1248"></a> -<span class="sourceLineNo">1249</span> MasterProtos.GetLocksRequest request) throws ServiceException {<a name="line.1249"></a> -<span class="sourceLineNo">1250</span> return stub.getLocks(controller, request);<a name="line.1250"></a> -<span class="sourceLineNo">1251</span> }<a name="line.1251"></a> -<span class="sourceLineNo">1252</span><a name="line.1252"></a> -<span class="sourceLineNo">1253</span> @Override<a name="line.1253"></a> -<span class="sourceLineNo">1254</span> public MasterProtos.AddColumnResponse addColumn(<a name="line.1254"></a> -<span class="sourceLineNo">1255</span> RpcController controller,<a name="line.1255"></a> -<span class="sourceLineNo">1256</span> MasterProtos.AddColumnRequest request) throws ServiceException {<a name="line.1256"></a> -<span class="sourceLineNo">1257</span> return stub.addColumn(controller, request);<a name="line.1257"></a> -<span class="sourceLineNo">1258</span> }<a name="line.1258"></a> -<span class="sourceLineNo">1259</span><a name="line.1259"></a> -<span class="sourceLineNo">1260</span> @Override<a name="line.1260"></a> -<span class="sourceLineNo">1261</span> public MasterProtos.DeleteColumnResponse deleteColumn(RpcController controller,<a name="line.1261"></a> -<span class="sourceLineNo">1262</span> MasterProtos.DeleteColumnRequest request)<a name="line.1262"></a> -<span class="sourceLineNo">1263</span> throws ServiceException {<a name="line.1263"></a> -<span class="sourceLineNo">1264</span> return stub.deleteColumn(controller, request);<a name="line.1264"></a> -<span class="sourceLineNo">1265</span> }<a name="line.1265"></a> -<span class="sourceLineNo">1266</span><a name="line.1266"></a> -<span class="sourceLineNo">1267</span> @Override<a name="line.1267"></a> -<span class="sourceLineNo">1268</span> public MasterProtos.ModifyColumnResponse modifyColumn(RpcController controller,<a name="line.1268"></a> -<span class="sourceLineNo">1269</span> MasterProtos.ModifyColumnRequest request)<a name="line.1269"></a> -<span class="sourceLineNo">1270</span> throws ServiceException {<a name="line.1270"></a> -<span class="sourceLineNo">1271</span> return stub.modifyColumn(controller, request);<a name="line.1271"></a> +<span class="sourceLineNo">645</span> public HRegionLocation locateRegion(final byte[] regionName) throws IOException {<a name="line.645"></a> +<span class="sourceLineNo">646</span> RegionLocations locations = locateRegion(RegionInfo.getTable(regionName),<a name="line.646"></a> +<span class="sourceLineNo">647</span> RegionInfo.getStartKey(regionName), false, true);<a name="line.647"></a> +<span class="sourceLineNo">648</span> return locations == null ? null : locations.getRegionLocation();<a name="line.648"></a> +<span class="sourceLineNo">649</span> }<a name="line.649"></a> +<span class="sourceLineNo">650</span><a name="line.650"></a> +<span class="sourceLineNo">651</span> private boolean isDeadServer(ServerName sn) {<a name="line.651"></a> +<span class="sourceLineNo">652</span> if (clusterStatusListener == null) {<a name="line.652"></a> +<span class="sourceLineNo">653</span> return false;<a name="line.653"></a> +<span class="sourceLineNo">654</span> } else {<a name="line.654"></a> +<span class="sourceLineNo">655</span> return clusterStatusListener.isDeadServer(sn);<a name="line.655"></a> +<span class="sourceLineNo">656</span> }<a name="line.656"></a> +<span class="sourceLineNo">657</span> }<a name="line.657"></a> +<span class="sourceLineNo">658</span><a name="line.658"></a> +<span class="sourceLineNo">659</span> @Override<a name="line.659"></a> +<span class="sourceLineNo">660</span> public List<HRegionLocation> locateRegions(TableName tableName) throws IOException {<a name="line.660"></a> +<span class="sourceLineNo">661</span> return locateRegions(tableName, false, true);<a name="line.661"></a> +<span class="sourceLineNo">662</span> }<a name="line.662"></a> +<span class="sourceLineNo">663</span><a name="line.663"></a> +<span class="sourceLineNo">664</span> @Override<a name="line.664"></a> +<span class="sourceLineNo">665</span> public List<HRegionLocation> locateRegions(TableName tableName, boolean useCache,<a name="line.665"></a> +<span class="sourceLineNo">666</span> boolean offlined) throws IOException {<a name="line.666"></a> +<span class="sourceLineNo">667</span> List<RegionInfo> regions;<a name="line.667"></a> +<span class="sourceLineNo">668</span> if (TableName.isMetaTableName(tableName)) {<a name="line.668"></a> +<span class="sourceLineNo">669</span> regions = Collections.singletonList(RegionInfoBuilder.FIRST_META_REGIONINFO);<a name="line.669"></a> +<span class="sourceLineNo">670</span> } else {<a name="line.670"></a> +<span class="sourceLineNo">671</span> regions = MetaTableAccessor.getTableRegions(this, tableName, !offlined);<a name="line.671"></a> +<span class="sourceLineNo">672</span> }<a name="line.672"></a> +<span class="sourceLineNo">673</span> List<HRegionLocation> locations = new ArrayList<>();<a name="line.673"></a> +<span class="sourceLineNo">674</span> for (RegionInfo regionInfo : regions) {<a name="line.674"></a> +<span class="sourceLineNo">675</span> RegionLocations list = locateRegion(tableName, regionInfo.getStartKey(), useCache, true);<a name="line.675"></a> +<span class="sourceLineNo">676</span> if (list != null) {<a name="line.676"></a> +<span class="sourceLineNo">677</span> for (HRegionLocation loc : list.getRegionLocations()) {<a name="line.677"></a> +<span class="sourceLineNo">678</span> if (loc != null) {<a name="line.678"></a> +<span class="sourceLineNo">679</span> locations.add(loc);<a name="line.679"></a> +<span class="sourceLineNo">680</span> }<a name="line.680"></a> +<span class="sourceLineNo">681</span> }<a name="line.681"></a> +<span class="sourceLineNo">682</span> }<a name="line.682"></a> +<span class="sourceLineNo">683</span> }<a name="line.683"></a> +<span class="sourceLineNo">684</span> return locations;<a name="line.684"></a> +<span class="sourceLineNo">685</span> }<a name="line.685"></a> +<span class="sourceLineNo">686</span><a name="line.686"></a> +<span class="sourceLineNo">687</span> @Override<a name="line.687"></a> +<span class="sourceLineNo">688</span> public HRegionLocation locateRegion(final TableName tableName, final byte[] row)<a name="line.688"></a> +<span class="sourceLineNo">689</span> throws IOException {<a name="line.689"></a> +<span class="sourceLineNo">690</span> RegionLocations locations = locateRegion(tableName, row, true, true);<a name="line.690"></a> +<span class="sourceLineNo">691</span> return locations == null ? null : locations.getRegionLocation();<a name="line.691"></a> +<span class="sourceLineNo">692</span> }<a name="line.692"></a> +<span class="sourceLineNo">693</span><a name="line.693"></a> +<span class="sourceLineNo">694</span> @Override<a name="line.694"></a> +<span class="sourceLineNo">695</span> public HRegionLocation relocateRegion(final TableName tableName, final byte[] row)<a name="line.695"></a> +<span class="sourceLineNo">696</span> throws IOException {<a name="line.696"></a> +<span class="sourceLineNo">697</span> RegionLocations locations =<a name="line.697"></a> +<span class="sourceLineNo">698</span> relocateRegion(tableName, row, RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.698"></a> +<span class="sourceLineNo">699</span> return locations == null ? null<a name="line.699"></a> +<span class="sourceLineNo">700</span> : locations.getRegionLocation(RegionReplicaUtil.DEFAULT_REPLICA_ID);<a name="line.700"></a> +<span class="sourceLineNo">701</span> }<a name="line.701"></a> +<span class="sourceLineNo">702</span><a name="line.702"></a> +<span class="sourceLineNo">703</span> @Override<a name="line.703"></a> +<span class="sourceLineNo">704</span> public RegionLocations relocateRegion(final TableName tableName,<a name="line.704"></a> +<span class="sourceLineNo">705</span> final byte [] row, int replicaId) throws IOException{<a name="line.705"></a> +<span class="sourceLineNo">706</span> // Since this is an explicit request not to use any caching, finding<a name="line.706"></a> +<span class="sourceLineNo">707</span> // disabled tables should not be desirable. This will ensure that an exception is thrown when<a name="line.707"></a> +<span class="sourceLineNo">708</span> // the first
<TRUNCATED>
