http://git-wip-us.apache.org/repos/asf/hbase-site/blob/22cff34f/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html index 9c09190..07c69da 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html @@ -145,7 +145,7 @@ <span class="sourceLineNo">137</span><a name="line.137"></a> <span class="sourceLineNo">138</span> static <V extends Cell> RecordWriter<ImmutableBytesWritable, V><a name="line.138"></a> <span class="sourceLineNo">139</span> createRecordWriter(final TaskAttemptContext context) throws IOException {<a name="line.139"></a> -<span class="sourceLineNo">140</span> return new HFileRecordWriter<V>(context, null);<a name="line.140"></a> +<span class="sourceLineNo">140</span> return new HFileRecordWriter<>(context, null);<a name="line.140"></a> <span class="sourceLineNo">141</span> }<a name="line.141"></a> <span class="sourceLineNo">142</span><a name="line.142"></a> <span class="sourceLineNo">143</span> protected static class HFileRecordWriter<V extends Cell><a name="line.143"></a> @@ -219,7 +219,7 @@ <span class="sourceLineNo">211</span> overriddenEncoding = null;<a name="line.211"></a> <span class="sourceLineNo">212</span> }<a name="line.212"></a> <span class="sourceLineNo">213</span><a name="line.213"></a> -<span class="sourceLineNo">214</span> writers = new TreeMap<byte[], WriterLength>(Bytes.BYTES_COMPARATOR);<a name="line.214"></a> +<span class="sourceLineNo">214</span> writers = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.214"></a> <span class="sourceLineNo">215</span> previousRow = HConstants.EMPTY_BYTE_ARRAY;<a name="line.215"></a> <span class="sourceLineNo">216</span> now = Bytes.toBytes(EnvironmentEdgeManager.currentTime());<a name="line.216"></a> <span class="sourceLineNo">217</span> rollRequested = false;<a name="line.217"></a> @@ -426,435 +426,429 @@ <span class="sourceLineNo">418</span> private static List<ImmutableBytesWritable> getRegionStartKeys(RegionLocator table)<a name="line.418"></a> <span class="sourceLineNo">419</span> throws IOException {<a name="line.419"></a> <span class="sourceLineNo">420</span> byte[][] byteKeys = table.getStartKeys();<a name="line.420"></a> -<span class="sourceLineNo">421</span> ArrayList<ImmutableBytesWritable> ret =<a name="line.421"></a> -<span class="sourceLineNo">422</span> new ArrayList<ImmutableBytesWritable>(byteKeys.length);<a name="line.422"></a> -<span class="sourceLineNo">423</span> for (byte[] byteKey : byteKeys) {<a name="line.423"></a> -<span class="sourceLineNo">424</span> ret.add(new ImmutableBytesWritable(byteKey));<a name="line.424"></a> -<span class="sourceLineNo">425</span> }<a name="line.425"></a> -<span class="sourceLineNo">426</span> return ret;<a name="line.426"></a> -<span class="sourceLineNo">427</span> }<a name="line.427"></a> -<span class="sourceLineNo">428</span><a name="line.428"></a> -<span class="sourceLineNo">429</span> /**<a name="line.429"></a> -<span class="sourceLineNo">430</span> * Write out a {@link SequenceFile} that can be read by<a name="line.430"></a> -<span class="sourceLineNo">431</span> * {@link TotalOrderPartitioner} that contains the split points in startKeys.<a name="line.431"></a> -<span class="sourceLineNo">432</span> */<a name="line.432"></a> -<span class="sourceLineNo">433</span> @SuppressWarnings("deprecation")<a name="line.433"></a> -<span class="sourceLineNo">434</span> private static void writePartitions(Configuration conf, Path partitionsPath,<a name="line.434"></a> -<span class="sourceLineNo">435</span> List<ImmutableBytesWritable> startKeys) throws IOException {<a name="line.435"></a> -<span class="sourceLineNo">436</span> LOG.info("Writing partition information to " + partitionsPath);<a name="line.436"></a> -<span class="sourceLineNo">437</span> if (startKeys.isEmpty()) {<a name="line.437"></a> -<span class="sourceLineNo">438</span> throw new IllegalArgumentException("No regions passed");<a name="line.438"></a> -<span class="sourceLineNo">439</span> }<a name="line.439"></a> -<span class="sourceLineNo">440</span><a name="line.440"></a> -<span class="sourceLineNo">441</span> // We're generating a list of split points, and we don't ever<a name="line.441"></a> -<span class="sourceLineNo">442</span> // have keys < the first region (which has an empty start key)<a name="line.442"></a> -<span class="sourceLineNo">443</span> // so we need to remove it. 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class="sourceLineNo">501</span> * The user should be sure to set the map output value class to either KeyValue or Put before<a name="line.501"></a> -<span class="sourceLineNo">502</span> * running this function.<a name="line.502"></a> -<span class="sourceLineNo">503</span> */<a name="line.503"></a> -<span class="sourceLineNo">504</span> public static void configureIncrementalLoad(Job job, HTableDescriptor tableDescriptor,<a name="line.504"></a> -<span class="sourceLineNo">505</span> RegionLocator regionLocator) throws IOException {<a name="line.505"></a> -<span class="sourceLineNo">506</span> configureIncrementalLoad(job, tableDescriptor, regionLocator, HFileOutputFormat2.class);<a name="line.506"></a> -<span class="sourceLineNo">507</span> }<a name="line.507"></a> -<span class="sourceLineNo">508</span><a name="line.508"></a> -<span class="sourceLineNo">509</span> static void configureIncrementalLoad(Job job, HTableDescriptor tableDescriptor,<a name="line.509"></a> -<span class="sourceLineNo">510</span> RegionLocator regionLocator, Class<? extends OutputFormat<?, ?>> cls) throws IOException,<a name="line.510"></a> -<span class="sourceLineNo">511</span> UnsupportedEncodingException {<a name="line.511"></a> -<span class="sourceLineNo">512</span> Configuration conf = job.getConfiguration();<a name="line.512"></a> -<span class="sourceLineNo">513</span> job.setOutputKeyClass(ImmutableBytesWritable.class);<a name="line.513"></a> -<span class="sourceLineNo">514</span> job.setOutputValueClass(KeyValue.class);<a name="line.514"></a> -<span class="sourceLineNo">515</span> job.setOutputFormatClass(cls);<a name="line.515"></a> -<span class="sourceLineNo">516</span><a name="line.516"></a> -<span class="sourceLineNo">517</span> // Based on the configured map output class, set the correct reducer to properly<a name="line.517"></a> -<span class="sourceLineNo">518</span> // sort the incoming values.<a name="line.518"></a> -<span class="sourceLineNo">519</span> // TODO 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class="sourceLineNo">528</span> }<a name="line.528"></a> -<span class="sourceLineNo">529</span><a name="line.529"></a> -<span class="sourceLineNo">530</span> conf.setStrings("io.serializations", conf.get("io.serializations"),<a name="line.530"></a> -<span class="sourceLineNo">531</span> MutationSerialization.class.getName(), ResultSerialization.class.getName(),<a name="line.531"></a> -<span class="sourceLineNo">532</span> KeyValueSerialization.class.getName());<a name="line.532"></a> -<span class="sourceLineNo">533</span><a name="line.533"></a> -<span class="sourceLineNo">534</span> if (conf.getBoolean(LOCALITY_SENSITIVE_CONF_KEY, DEFAULT_LOCALITY_SENSITIVE)) {<a name="line.534"></a> -<span class="sourceLineNo">535</span> // record this table name for creating writer by favored nodes<a name="line.535"></a> -<span class="sourceLineNo">536</span> LOG.info("bulkload locality sensitive enabled");<a name="line.536"></a> -<span class="sourceLineNo">537</span> 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partition information to " + partitionsPath);<a name="line.435"></a> +<span class="sourceLineNo">436</span> if (startKeys.isEmpty()) {<a name="line.436"></a> +<span class="sourceLineNo">437</span> throw new IllegalArgumentException("No regions passed");<a name="line.437"></a> +<span class="sourceLineNo">438</span> }<a name="line.438"></a> +<span class="sourceLineNo">439</span><a name="line.439"></a> +<span class="sourceLineNo">440</span> // We're generating a list of split points, and we don't ever<a name="line.440"></a> +<span class="sourceLineNo">441</span> // have keys < the first region (which has an empty start key)<a name="line.441"></a> +<span class="sourceLineNo">442</span> // so we need to remove it. Otherwise we would end up with an<a name="line.442"></a> +<span class="sourceLineNo">443</span> // empty reducer with index 0<a name="line.443"></a> +<span class="sourceLineNo">444</span> TreeSet<ImmutableBytesWritable> sorted = new TreeSet<>(startKeys);<a name="line.444"></a> +<span class="sourceLineNo">445</span><a name="line.445"></a> +<span class="sourceLineNo">446</span> ImmutableBytesWritable first = sorted.first();<a name="line.446"></a> +<span class="sourceLineNo">447</span> if (!first.equals(HConstants.EMPTY_BYTE_ARRAY)) {<a name="line.447"></a> +<span class="sourceLineNo">448</span> throw new IllegalArgumentException(<a name="line.448"></a> +<span class="sourceLineNo">449</span> "First region of table should have empty start key. Instead has: "<a name="line.449"></a> +<span class="sourceLineNo">450</span> + Bytes.toStringBinary(first.get()));<a name="line.450"></a> +<span class="sourceLineNo">451</span> }<a name="line.451"></a> +<span class="sourceLineNo">452</span> sorted.remove(first);<a name="line.452"></a> +<span class="sourceLineNo">453</span><a name="line.453"></a> +<span class="sourceLineNo">454</span> // Write the actual file<a name="line.454"></a> +<span class="sourceLineNo">455</span> FileSystem fs = partitionsPath.getFileSystem(conf);<a name="line.455"></a> +<span class="sourceLineNo">456</span> SequenceFile.Writer writer = SequenceFile.createWriter(<a name="line.456"></a> +<span class="sourceLineNo">457</span> fs, conf, partitionsPath, ImmutableBytesWritable.class,<a name="line.457"></a> +<span class="sourceLineNo">458</span> NullWritable.class);<a name="line.458"></a> +<span class="sourceLineNo">459</span><a name="line.459"></a> +<span class="sourceLineNo">460</span> try {<a name="line.460"></a> +<span class="sourceLineNo">461</span> for (ImmutableBytesWritable startKey : sorted) {<a name="line.461"></a> +<span class="sourceLineNo">462</span> writer.append(startKey, NullWritable.get());<a name="line.462"></a> +<span class="sourceLineNo">463</span> }<a name="line.463"></a> +<span class="sourceLineNo">464</span> } finally {<a name="line.464"></a> +<span class="sourceLineNo">465</span> writer.close();<a name="line.465"></a> +<span class="sourceLineNo">466</span> }<a name="line.466"></a> +<span class="sourceLineNo">467</span> }<a name="line.467"></a> +<span class="sourceLineNo">468</span><a name="line.468"></a> +<span class="sourceLineNo">469</span> /**<a name="line.469"></a> +<span class="sourceLineNo">470</span> * Configure a MapReduce Job to perform an incremental load into the given<a name="line.470"></a> +<span class="sourceLineNo">471</span> * table. This<a name="line.471"></a> +<span class="sourceLineNo">472</span> * <ul><a name="line.472"></a> +<span class="sourceLineNo">473</span> * <li>Inspects the table to configure a total order partitioner</li><a name="line.473"></a> +<span class="sourceLineNo">474</span> * <li>Uploads the partitions file to the cluster and adds it to the DistributedCache</li><a name="line.474"></a> +<span class="sourceLineNo">475</span> * <li>Sets the number of reduce tasks to match the current number of regions</li><a name="line.475"></a> +<span class="sourceLineNo">476</span> * <li>Sets the output key/value class to match HFileOutputFormat2's requirements</li><a name="line.476"></a> +<span class="sourceLineNo">477</span> * <li>Sets the reducer up to perform the appropriate sorting (either KeyValueSortReducer or<a name="line.477"></a> +<span class="sourceLineNo">478</span> * PutSortReducer)</li><a name="line.478"></a> +<span class="sourceLineNo">479</span> * </ul><a name="line.479"></a> +<span class="sourceLineNo">480</span> * The user should be sure to set the map output value class to either KeyValue or Put before<a name="line.480"></a> +<span class="sourceLineNo">481</span> * running this function.<a name="line.481"></a> +<span class="sourceLineNo">482</span> */<a name="line.482"></a> +<span class="sourceLineNo">483</span> public static void configureIncrementalLoad(Job job, Table table, RegionLocator regionLocator)<a name="line.483"></a> +<span class="sourceLineNo">484</span> throws IOException {<a name="line.484"></a> +<span class="sourceLineNo">485</span> configureIncrementalLoad(job, table.getTableDescriptor(), regionLocator);<a name="line.485"></a> +<span class="sourceLineNo">486</span> }<a name="line.486"></a> +<span class="sourceLineNo">487</span><a name="line.487"></a> +<span class="sourceLineNo">488</span> /**<a name="line.488"></a> +<span class="sourceLineNo">489</span> * Configure a MapReduce Job to perform an incremental load into the given<a name="line.489"></a> +<span class="sourceLineNo">490</span> * table. 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class="sourceLineNo">499</span> * The user should be sure to set the map output value class to either KeyValue or Put before<a name="line.499"></a> +<span class="sourceLineNo">500</span> * running this function.<a name="line.500"></a> +<span class="sourceLineNo">501</span> */<a name="line.501"></a> +<span class="sourceLineNo">502</span> public static void configureIncrementalLoad(Job job, HTableDescriptor tableDescriptor,<a name="line.502"></a> +<span class="sourceLineNo">503</span> RegionLocator regionLocator) throws IOException {<a name="line.503"></a> +<span class="sourceLineNo">504</span> configureIncrementalLoad(job, tableDescriptor, regionLocator, HFileOutputFormat2.class);<a name="line.504"></a> +<span class="sourceLineNo">505</span> }<a name="line.505"></a> +<span class="sourceLineNo">506</span><a name="line.506"></a> +<span class="sourceLineNo">507</span> static void configureIncrementalLoad(Job job, HTableDescriptor tableDescriptor,<a name="line.507"></a> +<span class="sourceLineNo">508</span> RegionLocator regionLocator, Class<? extends OutputFormat<?, ?>> cls) throws IOException,<a name="line.508"></a> +<span class="sourceLineNo">509</span> UnsupportedEncodingException {<a name="line.509"></a> +<span class="sourceLineNo">510</span> Configuration conf = job.getConfiguration();<a name="line.510"></a> +<span class="sourceLineNo">511</span> job.setOutputKeyClass(ImmutableBytesWritable.class);<a name="line.511"></a> +<span class="sourceLineNo">512</span> job.setOutputValueClass(KeyValue.class);<a name="line.512"></a> +<span class="sourceLineNo">513</span> job.setOutputFormatClass(cls);<a name="line.513"></a> +<span class="sourceLineNo">514</span><a name="line.514"></a> +<span class="sourceLineNo">515</span> // Based on the configured map output class, set the correct reducer to properly<a name="line.515"></a> +<span class="sourceLineNo">516</span> // sort the incoming values.<a name="line.516"></a> +<span class="sourceLineNo">517</span> // TODO it would be nice to pick one or the other of these formats.<a name="line.517"></a> +<span class="sourceLineNo">518</span> if (KeyValue.class.equals(job.getMapOutputValueClass())) {<a name="line.518"></a> +<span class="sourceLineNo">519</span> job.setReducerClass(KeyValueSortReducer.class);<a name="line.519"></a> +<span class="sourceLineNo">520</span> } else if (Put.class.equals(job.getMapOutputValueClass())) {<a name="line.520"></a> +<span class="sourceLineNo">521</span> job.setReducerClass(PutSortReducer.class);<a name="line.521"></a> +<span class="sourceLineNo">522</span> } else if (Text.class.equals(job.getMapOutputValueClass())) {<a name="line.522"></a> +<span class="sourceLineNo">523</span> job.setReducerClass(TextSortReducer.class);<a name="line.523"></a> +<span class="sourceLineNo">524</span> } else {<a name="line.524"></a> +<span class="sourceLineNo">525</span> LOG.warn("Unknown map output value type:" + job.getMapOutputValueClass());<a name="line.525"></a> +<span class="sourceLineNo">526</span> }<a name="line.526"></a> +<span class="sourceLineNo">527</span><a name="line.527"></a> +<span class="sourceLineNo">528</span> conf.setStrings("io.serializations", conf.get("io.serializations"),<a name="line.528"></a> +<span class="sourceLineNo">529</span> MutationSerialization.class.getName(), ResultSerialization.class.getName(),<a name="line.529"></a> +<span class="sourceLineNo">530</span> KeyValueSerialization.class.getName());<a name="line.530"></a> +<span class="sourceLineNo">531</span><a name="line.531"></a> +<span class="sourceLineNo">532</span> if (conf.getBoolean(LOCALITY_SENSITIVE_CONF_KEY, DEFAULT_LOCALITY_SENSITIVE)) {<a name="line.532"></a> +<span class="sourceLineNo">533</span> // record this table name for creating writer by favored nodes<a name="line.533"></a> +<span class="sourceLineNo">534</span> LOG.info("bulkload locality sensitive enabled");<a name="line.534"></a> +<span class="sourceLineNo">535</span> conf.set(OUTPUT_TABLE_NAME_CONF_KEY, regionLocator.getName().getNameAsString());<a name="line.535"></a> +<span class="sourceLineNo">536</span> }<a name="line.536"></a> +<span class="sourceLineNo">537</span><a name="line.537"></a> +<span class="sourceLineNo">538</span> // Use table's region boundaries for TOP split points.<a name="line.538"></a> +<span class="sourceLineNo">539</span> LOG.info("Looking up current regions for table " + regionLocator.getName());<a name="line.539"></a> +<span class="sourceLineNo">540</span> List<ImmutableBytesWritable> startKeys = getRegionStartKeys(regionLocator);<a name="line.540"></a> +<span class="sourceLineNo">541</span> LOG.info("Configuring " + startKeys.size() + " reduce partitions " +<a name="line.541"></a> +<span class="sourceLineNo">542</span> "to match current region count");<a name="line.542"></a> +<span class="sourceLineNo">543</span> job.setNumReduceTasks(startKeys.size());<a name="line.543"></a> +<span class="sourceLineNo">544</span><a name="line.544"></a> +<span class="sourceLineNo">545</span> configurePartitioner(job, startKeys);<a name="line.545"></a> +<span class="sourceLineNo">546</span> // Set compression algorithms based on column families<a name="line.546"></a> +<span class="sourceLineNo">547</span> configureCompression(conf, tableDescriptor);<a name="line.547"></a> +<span class="sourceLineNo">548</span> configureBloomType(tableDescriptor, conf);<a name="line.548"></a> +<span class="sourceLineNo">549</span> configureBlockSize(tableDescriptor, conf);<a name="line.549"></a> +<span class="sourceLineNo">550</span> configureDataBlockEncoding(tableDescriptor, conf);<a name="line.550"></a> +<span class="sourceLineNo">551</span><a name="line.551"></a> +<span class="sourceLineNo">552</span> TableMapReduceUtil.addDependencyJars(job);<a name="line.552"></a> +<span class="sourceLineNo">553</span> TableMapReduceUtil.initCredentials(job);<a name="line.553"></a> +<span class="sourceLineNo">554</span> LOG.info("Incremental table " + regionLocator.getName() + " output configured.");<a name="line.554"></a> +<span class="sourceLineNo">555</span> }<a name="line.555"></a> +<span class="sourceLineNo">556</span><a name="line.556"></a> +<span class="sourceLineNo">557</span> public static void configureIncrementalLoadMap(Job job, HTableDescriptor tableDescriptor) throws<a name="line.557"></a> +<span class="sourceLineNo">558</span> IOException {<a name="line.558"></a> +<span class="sourceLineNo">559</span> Configuration conf = job.getConfiguration();<a name="line.559"></a> +<span class="sourceLineNo">560</span><a name="line.560"></a> +<span class="sourceLineNo">561</span> job.setOutputKeyClass(ImmutableBytesWritable.class);<a name="line.561"></a> +<span class="sourceLineNo">562</span> job.setOutputValueClass(KeyValue.class);<a name="line.562"></a> +<span class="sourceLineNo">563</span> job.setOutputFormatClass(HFileOutputFormat2.class);<a name="line.563"></a> +<span class="sourceLineNo">564</span><a name="line.564"></a> +<span class="sourceLineNo">565</span> // Set compression algorithms based on column families<a name="line.565"></a> +<span class="sourceLineNo">566</span> configureCompression(conf, tableDescriptor);<a name="line.566"></a> +<span class="sourceLineNo">567</span> configureBloomType(tableDescriptor, conf);<a name="line.567"></a> +<span class="sourceLineNo">568</span> configureBlockSize(tableDescriptor, conf);<a name="line.568"></a> +<span class="sourceLineNo">569</span> configureDataBlockEncoding(tableDescriptor, conf);<a name="line.569"></a> +<span class="sourceLineNo">570</span><a name="line.570"></a> +<span class="sourceLineNo">571</span> TableMapReduceUtil.addDependencyJars(job);<a name="line.571"></a> +<span class="sourceLineNo">572</span> TableMapReduceUtil.initCredentials(job);<a name="line.572"></a> +<span class="sourceLineNo">573</span> LOG.info("Incremental table " + tableDescriptor.getTableName() + " output configured.");<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> /**<a name="line.576"></a> +<span class="sourceLineNo">577</span> * Runs inside the task to deserialize column family to compression algorithm<a name="line.577"></a> +<span class="sourceLineNo">578</span> * map from the configuration.<a name="line.578"></a> +<span class="sourceLineNo">579</span> *<a name="line.579"></a> +<span class="sourceLineNo">580</span> * @param conf to read the serialized values from<a name="line.580"></a> +<span class="sourceLineNo">581</span> * @return a map from column family to the configured compression algorithm<a name="line.581"></a> +<span class="sourceLineNo">582</span> */<a name="line.582"></a> +<span class="sourceLineNo">583</span> @VisibleForTesting<a name="line.583"></a> +<span class="sourceLineNo">584</span> static Map<byte[], Algorithm> createFamilyCompressionMap(Configuration<a name="line.584"></a> +<span class="sourceLineNo">585</span> conf) {<a name="line.585"></a> +<span class="sourceLineNo">586</span> Map<byte[], String> stringMap = createFamilyConfValueMap(conf,<a name="line.586"></a> +<span class="sourceLineNo">587</span> COMPRESSION_FAMILIES_CONF_KEY);<a name="line.587"></a> +<span class="sourceLineNo">588</span> Map<byte[], Algorithm> compressionMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.588"></a> +<span class="sourceLineNo">589</span> for (Map.Entry<byte[], String> e : stringMap.entrySet()) {<a name="line.589"></a> +<span class="sourceLineNo">590</span> Algorithm algorithm = HFileWriterImpl.compressionByName(e.getValue());<a name="line.590"></a> +<span class="sourceLineNo">591</span> compressionMap.put(e.getKey(), algorithm);<a name="line.591"></a> +<span class="sourceLineNo">592</span> }<a name="line.592"></a> +<span class="sourceLineNo">593</span> return compressionMap;<a name="line.593"></a> +<span class="sourceLineNo">594</span> }<a name="line.594"></a> +<span class="sourceLineNo">595</span><a name="line.595"></a> +<span class="sourceLineNo">596</span> /**<a name="line.596"></a> +<span class="sourceLineNo">597</span> * Runs inside the task to deserialize column family to bloom filter type<a name="line.597"></a> +<span class="sourceLineNo">598</span> * map from the configuration.<a name="line.598"></a> +<span class="sourceLineNo">599</span> *<a name="line.599"></a> +<span class="sourceLineNo">600</span> * @param conf to read the serialized values from<a name="line.600"></a> +<span class="sourceLineNo">601</span> * @return a map from column family to the the configured bloom filter type<a name="line.601"></a> +<span class="sourceLineNo">602</span> */<a name="line.602"></a> +<span class="sourceLineNo">603</span> @VisibleForTesting<a name="line.603"></a> +<span class="sourceLineNo">604</span> static Map<byte[], BloomType> createFamilyBloomTypeMap(Configuration conf) {<a name="line.604"></a> +<span class="sourceLineNo">605</span> Map<byte[], String> stringMap = createFamilyConfValueMap(conf,<a name="line.605"></a> +<span class="sourceLineNo">606</span> BLOOM_TYPE_FAMILIES_CONF_KEY);<a name="line.606"></a> +<span class="sourceLineNo">607</span> Map<byte[], BloomType> bloomTypeMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.607"></a> +<span class="sourceLineNo">608</span> for (Map.Entry<byte[], String> e : stringMap.entrySet()) {<a name="line.608"></a> +<span class="sourceLineNo">609</span> BloomType bloomType = BloomType.valueOf(e.getValue());<a name="line.609"></a> +<span class="sourceLineNo">610</span> bloomTypeMap.put(e.getKey(), bloomType);<a name="line.610"></a> +<span class="sourceLineNo">611</span> }<a name="line.611"></a> +<span class="sourceLineNo">612</span> return bloomTypeMap;<a name="line.612"></a> +<span class="sourceLineNo">613</span> }<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> * Runs inside the task to deserialize column family to block size<a name="line.616"></a> +<span class="sourceLineNo">617</span> * map from the configuration.<a name="line.617"></a> +<span class="sourceLineNo">618</span> *<a name="line.618"></a> +<span class="sourceLineNo">619</span> * @param conf to read the serialized values from<a name="line.619"></a> +<span class="sourceLineNo">620</span> * @return a map from column family to the configured block size<a name="line.620"></a> +<span class="sourceLineNo">621</span> */<a name="line.621"></a> +<span class="sourceLineNo">622</span> @VisibleForTesting<a name="line.622"></a> +<span class="sourceLineNo">623</span> static Map<byte[], Integer> createFamilyBlockSizeMap(Configuration conf) {<a name="line.623"></a> +<span class="sourceLineNo">624</span> Map<byte[], String> stringMap = createFamilyConfValueMap(conf,<a name="line.624"></a> +<span class="sourceLineNo">625</span> BLOCK_SIZE_FAMILIES_CONF_KEY);<a name="line.625"></a> +<span class="sourceLineNo">626</span> Map<byte[], Integer> blockSizeMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.626"></a> +<span class="sourceLineNo">627</span> for (Map.Entry<byte[], String> e : stringMap.entrySet()) {<a name="line.627"></a> +<span class="sourceLineNo">628</span> Integer blockSize = Integer.parseInt(e.getValue());<a name="line.628"></a> +<span class="sourceLineNo">629</span> blockSizeMap.put(e.getKey(), blockSize);<a name="line.629"></a> +<span class="sourceLineNo">630</span> }<a name="line.630"></a> +<span class="sourceLineNo">631</span> return blockSizeMap;<a name="line.631"></a> +<span class="sourceLineNo">632</span> }<a name="line.632"></a> +<span class="sourceLineNo">633</span><a name="line.633"></a> +<span class="sourceLineNo">634</span> /**<a name="line.634"></a> +<span class="sourceLineNo">635</span> * Runs inside the task to deserialize column family to data block encoding<a name="line.635"></a> +<span class="sourceLineNo">636</span> * type map from the configuration.<a name="line.636"></a> +<span class="sourceLineNo">637</span> *<a name="line.637"></a> +<span class="sourceLineNo">638</span> * @param conf to read the serialized values from<a name="line.638"></a> +<span class="sourceLineNo">639</span> * @return a map from column family to HFileDataBlockEncoder for the<a name="line.639"></a> +<span class="sourceLineNo">640</span> * configured data block type for the family<a name="line.640"></a> +<span class="sourceLineNo">641</span> */<a name="line.641"></a> +<span class="sourceLineNo">642</span> @VisibleForTesting<a name="line.642"></a> +<span class="sourceLineNo">643</span> static Map<byte[], DataBlockEncoding> createFamilyDataBlockEncodingMap(<a name="line.643"></a> +<span class="sourceLineNo">644</span> Configuration conf) {<a name="line.644"></a> +<span class="sourceLineNo">645</span> Map<byte[], String> stringMap = createFamilyConfValueMap(conf,<a name="line.645"></a> +<span class="sourceLineNo">646</span> DATABLOCK_ENCODING_FAMILIES_CONF_KEY);<a name="line.646"></a> +<span class="sourceLineNo">647</span> Map<byte[], DataBlockEncoding> encoderMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.647"></a> +<span class="sourceLineNo">648</span> for (Map.Entry<byte[], String> e : stringMap.entrySet()) {<a name="line.648"></a> +<span class="sourceLineNo">649</span> encoderMap.put(e.getKey(), DataBlockEncoding.valueOf((e.getValue())));<a name="line.649"></a> +<span class="sourceLineNo">650</span> }<a name="line.650"></a> +<span class="sourceLineNo">651</span> return encoderMap;<a name="line.651"></a> +<span class="sourceLineNo">652</span> }<a name="line.652"></a> +<span class="sourceLineNo">653</span><a name="line.653"></a> +<span class="sourceLineNo">654</span><a name="line.654"></a> +<span class="sourceLineNo">655</span> /**<a name="line.655"></a> +<span class="sourceLineNo">656</span> * Run inside the task to deserialize column family to given conf value map.<a name="line.656"></a> +<span class="sourceLineNo">657</span> *<a name="line.657"></a> +<span class="sourceLineNo">658</span> * @param conf to read the serialized values from<a name="line.658"></a> +<span class="sourceLineNo">659</span> * @param confName conf key to read from the configuration<a name="line.659"></a> +<span class="sourceLineNo">660</span> * @return a map of column family to the given configuration value<a name="line.660"></a> +<span class="sourceLineNo">661</span> */<a name="line.661"></a> +<span class="sourceLineNo">662</span> private static Map<byte[], String> createFamilyConfValueMap(<a name="line.662"></a> +<span class="sourceLineNo">663</span> Configuration conf, String confName) {<a name="line.663"></a> +<span class="sourceLineNo">664</span> Map<byte[], String> confValMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.664"></a> +<span class="sourceLineNo">665</span> String confVal = conf.get(confName, "");<a name="line.665"></a> +<span class="sourceLineNo">666</span> for (String familyConf : confVal.split("&")) {<a name="line.666"></a> +<span class="sourceLineNo">667</span> String[] familySplit = familyConf.split("=");<a name="line.667"></a> +<span class="sourceLineNo">668</span> if (familySplit.length != 2) {<a name="line.668"></a> +<span class="sourceLineNo">669</span> continue;<a name="line.669"></a> +<span class="sourceLineNo">670</span> }<a name="line.670"></a> +<span class="sourceLineNo">671</span> try {<a name="line.671"></a> +<span class="sourceLineNo">672</span> confValMap.put(URLDecoder.decode(familySplit[0], "UTF-8").getBytes(),<a name="line.672"></a> +<span class="sourceLineNo">673</span> URLDecoder.decode(familySplit[1], "UTF-8"));<a name="line.673"></a> +<span class="sourceLineNo">674</span> } catch (UnsupportedEncodingException e) {<a name="line.674"></a> +<span class="sourceLineNo">675</span> // will not happen with UTF-8 encoding<a name="line.675"></a> +<span class="sourceLineNo">676</span> throw new AssertionError(e);<a name="line.676"></a> +<span class="sourceLineNo">677</span> }<a name="line.677"></a> +<span class="sourceLineNo">678</span> }<a name="line.678"></a> +<span class="sourceLineNo">679</span> return confValMap;<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> * Configure <code>job</code> with a TotalOrderPartitioner, partitioning against<a name="line.683"></a> +<span class="sourceLineNo">684</span> * <code>splitPoints</code>. Cleans up the partitions file after job exists.<a name="line.684"></a> +<span class="sourceLineNo">685</span> */<a name="line.685"></a> +<span class="sourceLineNo">686</span> static void configurePartitioner(Job job, List<ImmutableBytesWritable> splitPoints)<a name="line.686"></a> +<span class="sourceLineNo">687</span> throws IOException {<a name="line.687"></a> +<span class="sourceLineNo">688</span> Configuration conf = job.getConfiguration();<a name="line.688"></a> +<span class="sourceLineNo">689</span> // create the partitions file<a name="line.689"></a> +<span class="sourceLineNo">690</span> FileSystem fs = FileSystem.get(conf);<a name="line.690"></a> +<span class="sourceLineNo">691</span> String hbaseTmpFsDir =<a name="line.691"></a> +<span class="sourceLineNo">692</span> conf.get(HConstants.TEMPORARY_FS_DIRECTORY_KEY,<a name="line.692"></a> +<span class="sourceLineNo">693</span> HConstants.DEFAULT_TEMPORARY_HDFS_DIRECTORY);<a name="line.693"></a> +<span class="sourceLineNo">694</span> Path partitionsPath = new Path(hbaseTmpFsDir, "partitions_" + UUID.randomUUID());<a name="line.694"></a> +<span class="sourceLineNo">695</span> fs.makeQualified(partitionsPath);<a name="line.695"></a> +<span class="sourceLineNo">696</span> writePartitions(conf, partitionsPath, splitPoints);<a name="line.696"></a> +<span class="sourceLineNo">697</span> fs.deleteOnExit(partitionsPath);<a name="line.697"></a> +<span class="sourceLineNo">698</span><a name="line.698"></a> +<span class="sourceLineNo">699</span> // configure job to use it<a name="line.699"></a> +<span class="sourceLineNo">700</span> job.setPartitionerClass(TotalOrderPartitioner.class);<a name="line.700"></a> +<span class="sourceLineNo">701</span> TotalOrderPartitioner.setPartitionFile(conf, partitionsPath);<a name="line.701"></a> +<span class="sourceLineNo">702</span> }<a name="line.702"></a> +<span class="sourceLineNo">703</span><a name="line.703"></a> +<span class="sourceLineNo">704</span> /**<a name="line.704"></a> +<span class="sourceLineNo">705</span> * Serialize column family to compression algorithm map to configuration.<a name="line.705"></a> +<span class="sourceLineNo">706</span> * Invoked while configuring the MR job for incremental load.<a name="line.706"></a> +<span class="sourceLineNo">707</span> *<a name="line.707"></a> +<span class="sourceLineNo">708</span> * @param tableDescriptor to read the properties from<a name="line.708"></a> +<span class="sourceLineNo">709</span> * @param conf to persist serialized values into<a name="line.709"></a> +<span class="sourceLineNo">710</span> * @throws IOException<a name="line.710"></a> +<span class="sourceLineNo">711</span> * on failure to read column family descriptors<a name="line.711"></a> +<span class="sourceLineNo">712</span> */<a name="line.712"></a> +<span class="sourceLineNo">713</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(<a name="line.713"></a> +<span class="sourceLineNo">714</span> value="RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE")<a name="line.714"></a> +<span class="sourceLineNo">715</span> @VisibleForTesting<a name="line.715"></a> +<span class="sourceLineNo">716</span> static void configureCompression(Configuration conf, HTableDescriptor tableDescriptor)<a name="line.716"></a> +<span class="sourceLineNo">717</span> throws UnsupportedEncodingException {<a name="line.717"></a> +<span class="sourceLineNo">718</span> StringBuilder compressionConfigValue = new StringBuilder();<a name="line.718"></a> +<span class="sourceLineNo">719</span> if(tableDescriptor == null){<a name="line.719"></a> +<span class="sourceLineNo">720</span> // could happen with mock table instance<a name="line.720"></a> +<span class="sourceLineNo">721</span> return;<a name="line.721"></a> +<span class="sourceLineNo">722</span> }<a name="line.722"></a> +<span class="sourceLineNo">723</span> Collection<HColumnDescriptor> families = tableDescriptor.getFamilies();<a name="line.723"></a> +<span class="sourceLineNo">724</span> int i = 0;<a name="line.724"></a> +<span class="sourceLineNo">725</span> for (HColumnDescriptor familyDescriptor : families) {<a name="line.725"></a> +<span class="sourceLineNo">726</span> if (i++ > 0) {<a name="line.726"></a> +<span class="sourceLineNo">727</span> compressionConfigValue.append('&');<a name="line.727"></a> +<span class="sourceLineNo">728</span> }<a name="line.728"></a> +<span class="sourceLineNo">729</span> compressionConfigValue.append(URLEncoder.encode(<a name="line.729"></a> +<span class="sourceLineNo">730</span> familyDescriptor.getNameAsString(), "UTF-8"));<a name="line.730"></a> +<span class="sourceLineNo">731</span> compressionConfigValue.append('=');<a name="line.731"></a> +<span class="sourceLineNo">732</span> compressionConfigValue.append(URLEncoder.encode(<a name="line.732"></a> +<span class="sourceLineNo">733</span> familyDescriptor.getCompressionType().getName(), "UTF-8"));<a name="line.733"></a> +<span class="sourceLineNo">734</span> }<a name="line.734"></a> +<span class="sourceLineNo">735</span> // Get rid of the last ampersand<a name="line.735"></a> +<span class="sourceLineNo">736</span> conf.set(COMPRESSION_FAMILIES_CONF_KEY, compressionConfigValue.toString());<a name="line.736"></a> +<span class="sourceLineNo">737</span> }<a name="line.737"></a> +<span class="sourceLineNo">738</span><a name="line.738"></a> +<span class="sourceLineNo">739</span> /**<a name="line.739"></a> +<span class="sourceLineNo">740</span> * Serialize column family to block size map to configuration.<a name="line.740"></a> +<span class="sourceLineNo">741</span> * Invoked while configuring the MR job for incremental load.<a name="line.741"></a> +<span class="sourceLineNo">742</span> * @param tableDescriptor to read the properties from<a name="line.742"></a> +<span class="sourceLineNo">743</span> * @param conf to persist serialized values into<a name="line.743"></a> +<span class="sourceLineNo">744</span> *<a 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class="sourceLineNo">755</span> }<a name="line.755"></a> +<span class="sourceLineNo">756</span> Collection<HColumnDescriptor> families = tableDescriptor.getFamilies();<a name="line.756"></a> +<span class="sourceLineNo">757</span> int i = 0;<a name="line.757"></a> +<span class="sourceLineNo">758</span> for (HColumnDescriptor familyDescriptor : families) {<a name="line.758"></a> +<span class="sourceLineNo">759</span> if (i++ > 0) {<a name="line.759"></a> +<span class="sourceLineNo">760</span> blockSizeConfigValue.append('&');<a name="line.760"></a> +<span class="sourceLineNo">761</span> }<a name="line.761"></a> +<span class="sourceLineNo">762</span> blockSizeConfigValue.append(URLEncoder.encode(<a name="line.762"></a> +<span class="sourceLineNo">763</span> familyDescriptor.getNameAsString(), "UTF-8"));<a name="line.763"></a> +<span class="sourceLineNo">764</span> blockSizeConfigValue.append('=');<a name="line.764"></a> +<span class="sourceLineNo">765</span> blockSizeConfigValue.append(URLEncoder.encode(<a name="line.765"></a> +<span class="sourceLineNo">766</span> String.valueOf(familyDescriptor.getBlocksize()), "UTF-8"));<a name="line.766"></a> +<span class="sourceLineNo">767</span> }<a name="line.767"></a> +<span class="sourceLineNo">768</span> // Get rid of the last ampersand<a name="line.768"></a> +<span class="sourceLineNo">769</span> conf.set(BLOCK_SIZE_FAMILIES_CONF_KEY, blockSizeConfigValue.toString());<a name="line.769"></a> +<span class="sourceLineNo">770</span> }<a name="line.770"></a> +<span class="sourceLineNo">771</span><a name="line.771"></a> +<span class="sourceLineNo">772</span> /**<a name="line.772"></a> +<span class="sourceLineNo">773</span> * Serialize column family to bloom type map to configuration.<a name="line.773"></a> +<span class="sourceLineNo">774</span> * Invoked while configuring the MR job for incremental load.<a name="line.774"></a> +<span class="sourceLineNo">775</span> * @param tableDescriptor to read the properties from<a name="line.775"></a> +<span class="sourceLineNo">776</span> * @param conf to persist serialized values into<a name="line.776"></a> +<span class="sourceLineNo">777</span> *<a name="line.777"></a> +<span class="sourceLineNo">778</span> * @throws IOException<a name="line.778"></a> +<span class="sourceLineNo">779</span> * on failure to read column family descriptors<a name="line.779"></a> +<span class="sourceLineNo">780</span> */<a name="line.780"></a> +<span class="sourceLineNo">781</span> @VisibleForTesting<a name="line.781"></a> +<span class="sourceLineNo">782</span> static void configureBloomType(HTableDescriptor tableDescriptor, Configuration conf)<a name="line.782"></a> +<span class="sourceLineNo">783</span> throws UnsupportedEncodingException {<a name="line.783"></a> +<span class="sourceLineNo">784</span> if (tableDescriptor == null) {<a name="line.784"></a> +<span class="sourceLineNo">785</span> // could happen with mock table instance<a name="line.785"></a> +<span class="sourceLineNo">786</span> return;<a name="line.786"></a> +<span class="sourceLineNo">787</span> }<a name="line.787"></a> +<span class="sourceLineNo">788</span> StringBuilder bloomTypeConfigValue = new StringBuilder();<a name="line.788"></a> +<span class="sourceLineNo">789</span> Collection<HColumnDescriptor> families = tableDescriptor.getFamilies();<a name="line.789"></a> +<span class="sourceLineNo">790</span> int i = 0;<a name="line.790"></a> +<span class="sourceLineNo">791</span> for (HColumnDescriptor familyDescriptor : families) {<a name="line.791"></a> +<span class="sourceLineNo">792</span> if (i++ > 0) {<a name="line.792"></a> +<span class="sourceLineNo">793</span> bloomTypeConfigValue.append('&');<a name="line.793"></a> +<span class="sourceLineNo">794</span> }<a name="line.794"></a> +<span class="sourceLineNo">795</span> bloomTypeConfigValue.append(URLEncoder.encode(<a name="line.795"></a> +<span class="sourceLineNo">796</span> familyDescriptor.getNameAsString(), "UTF-8"));<a name="line.796"></a> +<span class="sourceLineNo">797</span> bloomTypeConfigValue.append('=');<a name="line.797"></a> +<span class="sourceLineNo">798</span> String bloomType = familyDescriptor.getBloomFilterType().toString();<a name="line.798"></a> +<span class="sourceLineNo">799</span> if (bloomType == null) {<a name="line.799"></a> +<span class="sourceLineNo">800</span> bloomType = HColumnDescriptor.DEFAULT_BLOOMFILTER;<a name="line.800"></a> +<span class="sourceLineNo">801</span> }<a name="line.801"></a> +<span class="sourceLineNo">802</span> bloomTypeConfigValue.append(URLEncoder.encode(bloomType, "UTF-8"));<a name="line.802"></a> +<span class="sourceLineNo">803</span> }<a name="line.803"></a> +<span class="sourceLineNo">804</span> conf.set(BLOOM_TYPE_FAMILIES_CONF_KEY, bloomTypeConfigValue.toString());<a name="line.804"></a> +<span class="sourceLineNo">805</span> }<a name="line.805"></a> +<span class="sourceLineNo">806</span><a name="line.806"></a> +<span class="sourceLineNo">807</span> /**<a name="line.807"></a> +<span class="sourceLineNo">808</span> * Serialize column family to data block encoding map to configuration.<a name="line.808"></a> +<span class="sourceLineNo">809</span> * Invoked while configuring the MR job for incremental load.<a name="line.809"></a> +<span class="sourceLineNo">810</span> *<a name="line.810"></a> +<span class="sourceLineNo">811</span> * @param tableDescriptor to read the properties from<a name="line.811"></a> +<span class="sourceLineNo">812</span> * @param conf to persist serialized values into<a name="line.812"></a> +<span class="sourceLineNo">813</span> * @throws IOException<a name="line.813"></a> +<span class="sourceLineNo">814</span> * on failure to read column family descriptors<a name="line.814"></a> +<span class="sourceLineNo">815</span> */<a name="line.815"></a> +<span class="sourceLineNo">816</span> @VisibleForTesting<a name="line.816"></a> +<span class="sourceLineNo">817</span> static void configureDataBlockEncoding(HTableDescriptor tableDescriptor,<a name="line.817"></a> +<span class="sourceLineNo">818</span> Configuration conf) throws UnsupportedEncodingException {<a name="line.818"></a> +<span class="sourceLineNo">819</span> if (tableDescriptor == null) {<a name="line.819"></a> +<span class="sourceLineNo">820</span> // could happen with mock table instance<a name="line.820"></a> +<span class="sourceLineNo">821</span> return;<a name="line.821"></a> +<span class="sourceLineNo">822</span> }<a name="line.822"></a> +<span class="sourceLineNo">823</span> StringBuilder dataBlockEncodingConfigValue = new StringBuilder();<a name="line.823"></a> +<span class="sourceLineNo">824</span> Collection<HColumnDescriptor> families = tableDescriptor.getFamilies();<a name="line.824"></a> +<span class="sourceLineNo">825</span> int i = 0;<a name="line.825"></a> +<span class="sourceLineNo">826</span> for (HColumnDescriptor familyDescriptor : families) {<a name="line.826"></a> +<span class="sourceLineNo">827</span> if (i++ > 0) {<a name="line.827"></a> +<span class="sourceLineNo">828</span> dataBlockEncodingConfigValue.append('&');<a name="line.828"></a> +<span class="sourceLineNo">829</span> }<a name="line.829"></a> +<span class="sourceLineNo">830</span> dataBlockEncodingConfigValue.append(<a name="line.830"></a> +<span class="sourceLineNo">831</span> URLEncoder.encode(familyDescriptor.getNameAsString(), "UTF-8"));<a name="line.831"></a> +<span class="sourceLineNo">832</span> dataBlockEncodingConfigValue.append('=');<a name="line.832"></a> +<span class="sourceLineNo">833</span> DataBlockEncoding encoding = familyDescriptor.getDataBlockEncoding();<a name="line.833"></a> +<span class="sourceLineNo">834</span> if (encoding == null) {<a name="line.834"></a> +<span class="sourceLineNo">835</span> encoding = DataBlockEncoding.NONE;<a name="line.835"></a> +<span class="sourceLineNo">836</span> }<a nam
<TRUNCATED>