http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a2b2dd19/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/CompactSplit.CompactionRunner.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/CompactSplit.CompactionRunner.html
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/CompactSplit.CompactionRunner.html
index 7dabb5e..782b6f3 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/CompactSplit.CompactionRunner.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/CompactSplit.CompactionRunner.html
@@ -352,369 +352,376 @@
<span class="sourceLineNo">344</span> ThreadPoolExecutor pool = (selectNow
&& s.throttleCompaction(compaction.getRequest().getSize()))<a
name="line.344"></a>
<span class="sourceLineNo">345</span> ? longCompactions :
shortCompactions;<a name="line.345"></a>
<span class="sourceLineNo">346</span> pool.execute(new CompactionRunner(s,
r, compaction, pool, user));<a name="line.346"></a>
-<span class="sourceLineNo">347</span> if (LOG.isDebugEnabled()) {<a
name="line.347"></a>
-<span class="sourceLineNo">348</span> String type = (pool ==
shortCompactions) ? "Small " : "Large ";<a name="line.348"></a>
-<span class="sourceLineNo">349</span> LOG.debug(type + "Compaction
requested: " + (selectNow ? compaction.toString() : "system")<a
name="line.349"></a>
-<span class="sourceLineNo">350</span> + (why != null &&
!why.isEmpty() ? "; Because: " + why : "") + "; " + this);<a
name="line.350"></a>
-<span class="sourceLineNo">351</span> }<a name="line.351"></a>
-<span class="sourceLineNo">352</span> return selectNow ?
compaction.getRequest() : null;<a name="line.352"></a>
-<span class="sourceLineNo">353</span> }<a name="line.353"></a>
-<span class="sourceLineNo">354</span><a name="line.354"></a>
-<span class="sourceLineNo">355</span> private CompactionContext
selectCompaction(final Region r, final Store s,<a name="line.355"></a>
-<span class="sourceLineNo">356</span> int priority, CompactionRequest
request, User user) throws IOException {<a name="line.356"></a>
-<span class="sourceLineNo">357</span> CompactionContext compaction =
s.requestCompaction(priority, request, user);<a name="line.357"></a>
-<span class="sourceLineNo">358</span> if (compaction == null) {<a
name="line.358"></a>
-<span class="sourceLineNo">359</span> if(LOG.isDebugEnabled() &&
r.getRegionInfo() != null) {<a name="line.359"></a>
-<span class="sourceLineNo">360</span> LOG.debug("Not compacting " +
r.getRegionInfo().getRegionNameAsString() +<a name="line.360"></a>
-<span class="sourceLineNo">361</span> " because compaction request
was cancelled");<a name="line.361"></a>
-<span class="sourceLineNo">362</span> }<a name="line.362"></a>
-<span class="sourceLineNo">363</span> return null;<a name="line.363"></a>
-<span class="sourceLineNo">364</span> }<a name="line.364"></a>
-<span class="sourceLineNo">365</span> assert compaction.hasSelection();<a
name="line.365"></a>
-<span class="sourceLineNo">366</span> if (priority != Store.NO_PRIORITY)
{<a name="line.366"></a>
-<span class="sourceLineNo">367</span>
compaction.getRequest().setPriority(priority);<a name="line.367"></a>
-<span class="sourceLineNo">368</span> }<a name="line.368"></a>
-<span class="sourceLineNo">369</span> return compaction;<a
name="line.369"></a>
-<span class="sourceLineNo">370</span> }<a name="line.370"></a>
-<span class="sourceLineNo">371</span><a name="line.371"></a>
-<span class="sourceLineNo">372</span> /**<a name="line.372"></a>
-<span class="sourceLineNo">373</span> * Only interrupt once it's done with a
run through the work loop.<a name="line.373"></a>
-<span class="sourceLineNo">374</span> */<a name="line.374"></a>
-<span class="sourceLineNo">375</span> void interruptIfNecessary() {<a
name="line.375"></a>
-<span class="sourceLineNo">376</span> splits.shutdown();<a
name="line.376"></a>
-<span class="sourceLineNo">377</span> longCompactions.shutdown();<a
name="line.377"></a>
-<span class="sourceLineNo">378</span> shortCompactions.shutdown();<a
name="line.378"></a>
-<span class="sourceLineNo">379</span> }<a name="line.379"></a>
-<span class="sourceLineNo">380</span><a name="line.380"></a>
-<span class="sourceLineNo">381</span> private void waitFor(ThreadPoolExecutor
t, String name) {<a name="line.381"></a>
-<span class="sourceLineNo">382</span> boolean done = false;<a
name="line.382"></a>
-<span class="sourceLineNo">383</span> while (!done) {<a name="line.383"></a>
-<span class="sourceLineNo">384</span> try {<a name="line.384"></a>
-<span class="sourceLineNo">385</span> done = t.awaitTermination(60,
TimeUnit.SECONDS);<a name="line.385"></a>
-<span class="sourceLineNo">386</span> LOG.info("Waiting for " + name +
" to finish...");<a name="line.386"></a>
-<span class="sourceLineNo">387</span> if (!done) {<a
name="line.387"></a>
-<span class="sourceLineNo">388</span> t.shutdownNow();<a
name="line.388"></a>
-<span class="sourceLineNo">389</span> }<a name="line.389"></a>
-<span class="sourceLineNo">390</span> } catch (InterruptedException ie)
{<a name="line.390"></a>
-<span class="sourceLineNo">391</span> LOG.warn("Interrupted waiting for
" + name + " to finish...");<a name="line.391"></a>
-<span class="sourceLineNo">392</span> }<a name="line.392"></a>
-<span class="sourceLineNo">393</span> }<a name="line.393"></a>
-<span class="sourceLineNo">394</span> }<a name="line.394"></a>
-<span class="sourceLineNo">395</span><a name="line.395"></a>
-<span class="sourceLineNo">396</span> void join() {<a name="line.396"></a>
-<span class="sourceLineNo">397</span> waitFor(splits, "Split Thread");<a
name="line.397"></a>
-<span class="sourceLineNo">398</span> waitFor(longCompactions, "Large
Compaction Thread");<a name="line.398"></a>
-<span class="sourceLineNo">399</span> waitFor(shortCompactions, "Small
Compaction Thread");<a name="line.399"></a>
-<span class="sourceLineNo">400</span> }<a name="line.400"></a>
-<span class="sourceLineNo">401</span><a name="line.401"></a>
-<span class="sourceLineNo">402</span> /**<a name="line.402"></a>
-<span class="sourceLineNo">403</span> * Returns the current size of the
queue containing regions that are<a name="line.403"></a>
-<span class="sourceLineNo">404</span> * processed.<a name="line.404"></a>
-<span class="sourceLineNo">405</span> *<a name="line.405"></a>
-<span class="sourceLineNo">406</span> * @return The current size of the
regions queue.<a name="line.406"></a>
-<span class="sourceLineNo">407</span> */<a name="line.407"></a>
-<span class="sourceLineNo">408</span> public int getCompactionQueueSize() {<a
name="line.408"></a>
-<span class="sourceLineNo">409</span> return
longCompactions.getQueue().size() + shortCompactions.getQueue().size();<a
name="line.409"></a>
-<span class="sourceLineNo">410</span> }<a name="line.410"></a>
-<span class="sourceLineNo">411</span><a name="line.411"></a>
-<span class="sourceLineNo">412</span> public int
getLargeCompactionQueueSize() {<a name="line.412"></a>
-<span class="sourceLineNo">413</span> return
longCompactions.getQueue().size();<a name="line.413"></a>
-<span class="sourceLineNo">414</span> }<a name="line.414"></a>
-<span class="sourceLineNo">415</span><a name="line.415"></a>
+<span class="sourceLineNo">347</span>
((HRegion)r).incrementCompactionsQueuedCount();<a name="line.347"></a>
+<span class="sourceLineNo">348</span> if (LOG.isDebugEnabled()) {<a
name="line.348"></a>
+<span class="sourceLineNo">349</span> String type = (pool ==
shortCompactions) ? "Small " : "Large ";<a name="line.349"></a>
+<span class="sourceLineNo">350</span> LOG.debug(type + "Compaction
requested: " + (selectNow ? compaction.toString() : "system")<a
name="line.350"></a>
+<span class="sourceLineNo">351</span> + (why != null &&
!why.isEmpty() ? "; Because: " + why : "") + "; " + this);<a
name="line.351"></a>
+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span> return selectNow ?
compaction.getRequest() : null;<a name="line.353"></a>
+<span class="sourceLineNo">354</span> }<a name="line.354"></a>
+<span class="sourceLineNo">355</span><a name="line.355"></a>
+<span class="sourceLineNo">356</span> private CompactionContext
selectCompaction(final Region r, final Store s,<a name="line.356"></a>
+<span class="sourceLineNo">357</span> int priority, CompactionRequest
request, User user) throws IOException {<a name="line.357"></a>
+<span class="sourceLineNo">358</span> CompactionContext compaction =
s.requestCompaction(priority, request, user);<a name="line.358"></a>
+<span class="sourceLineNo">359</span> if (compaction == null) {<a
name="line.359"></a>
+<span class="sourceLineNo">360</span> if(LOG.isDebugEnabled() &&
r.getRegionInfo() != null) {<a name="line.360"></a>
+<span class="sourceLineNo">361</span> LOG.debug("Not compacting " +
r.getRegionInfo().getRegionNameAsString() +<a name="line.361"></a>
+<span class="sourceLineNo">362</span> " because compaction request
was cancelled");<a name="line.362"></a>
+<span class="sourceLineNo">363</span> }<a name="line.363"></a>
+<span class="sourceLineNo">364</span> return null;<a name="line.364"></a>
+<span class="sourceLineNo">365</span> }<a name="line.365"></a>
+<span class="sourceLineNo">366</span> assert compaction.hasSelection();<a
name="line.366"></a>
+<span class="sourceLineNo">367</span> if (priority != Store.NO_PRIORITY)
{<a name="line.367"></a>
+<span class="sourceLineNo">368</span>
compaction.getRequest().setPriority(priority);<a name="line.368"></a>
+<span class="sourceLineNo">369</span> }<a name="line.369"></a>
+<span class="sourceLineNo">370</span> return compaction;<a
name="line.370"></a>
+<span class="sourceLineNo">371</span> }<a name="line.371"></a>
+<span class="sourceLineNo">372</span><a name="line.372"></a>
+<span class="sourceLineNo">373</span> /**<a name="line.373"></a>
+<span class="sourceLineNo">374</span> * Only interrupt once it's done with a
run through the work loop.<a name="line.374"></a>
+<span class="sourceLineNo">375</span> */<a name="line.375"></a>
+<span class="sourceLineNo">376</span> void interruptIfNecessary() {<a
name="line.376"></a>
+<span class="sourceLineNo">377</span> splits.shutdown();<a
name="line.377"></a>
+<span class="sourceLineNo">378</span> longCompactions.shutdown();<a
name="line.378"></a>
+<span class="sourceLineNo">379</span> shortCompactions.shutdown();<a
name="line.379"></a>
+<span class="sourceLineNo">380</span> }<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span> private void waitFor(ThreadPoolExecutor
t, String name) {<a name="line.382"></a>
+<span class="sourceLineNo">383</span> boolean done = false;<a
name="line.383"></a>
+<span class="sourceLineNo">384</span> while (!done) {<a name="line.384"></a>
+<span class="sourceLineNo">385</span> try {<a name="line.385"></a>
+<span class="sourceLineNo">386</span> done = t.awaitTermination(60,
TimeUnit.SECONDS);<a name="line.386"></a>
+<span class="sourceLineNo">387</span> LOG.info("Waiting for " + name +
" to finish...");<a name="line.387"></a>
+<span class="sourceLineNo">388</span> if (!done) {<a
name="line.388"></a>
+<span class="sourceLineNo">389</span> t.shutdownNow();<a
name="line.389"></a>
+<span class="sourceLineNo">390</span> }<a name="line.390"></a>
+<span class="sourceLineNo">391</span> } catch (InterruptedException ie)
{<a name="line.391"></a>
+<span class="sourceLineNo">392</span> LOG.warn("Interrupted waiting for
" + name + " to finish...");<a name="line.392"></a>
+<span class="sourceLineNo">393</span> }<a name="line.393"></a>
+<span class="sourceLineNo">394</span> }<a name="line.394"></a>
+<span class="sourceLineNo">395</span> }<a name="line.395"></a>
+<span class="sourceLineNo">396</span><a name="line.396"></a>
+<span class="sourceLineNo">397</span> void join() {<a name="line.397"></a>
+<span class="sourceLineNo">398</span> waitFor(splits, "Split Thread");<a
name="line.398"></a>
+<span class="sourceLineNo">399</span> waitFor(longCompactions, "Large
Compaction Thread");<a name="line.399"></a>
+<span class="sourceLineNo">400</span> waitFor(shortCompactions, "Small
Compaction Thread");<a name="line.400"></a>
+<span class="sourceLineNo">401</span> }<a name="line.401"></a>
+<span class="sourceLineNo">402</span><a name="line.402"></a>
+<span class="sourceLineNo">403</span> /**<a name="line.403"></a>
+<span class="sourceLineNo">404</span> * Returns the current size of the
queue containing regions that are<a name="line.404"></a>
+<span class="sourceLineNo">405</span> * processed.<a name="line.405"></a>
+<span class="sourceLineNo">406</span> *<a name="line.406"></a>
+<span class="sourceLineNo">407</span> * @return The current size of the
regions queue.<a name="line.407"></a>
+<span class="sourceLineNo">408</span> */<a name="line.408"></a>
+<span class="sourceLineNo">409</span> public int getCompactionQueueSize() {<a
name="line.409"></a>
+<span class="sourceLineNo">410</span> return
longCompactions.getQueue().size() + shortCompactions.getQueue().size();<a
name="line.410"></a>
+<span class="sourceLineNo">411</span> }<a name="line.411"></a>
+<span class="sourceLineNo">412</span><a name="line.412"></a>
+<span class="sourceLineNo">413</span> public int
getLargeCompactionQueueSize() {<a name="line.413"></a>
+<span class="sourceLineNo">414</span> return
longCompactions.getQueue().size();<a name="line.414"></a>
+<span class="sourceLineNo">415</span> }<a name="line.415"></a>
<span class="sourceLineNo">416</span><a name="line.416"></a>
-<span class="sourceLineNo">417</span> public int
getSmallCompactionQueueSize() {<a name="line.417"></a>
-<span class="sourceLineNo">418</span> return
shortCompactions.getQueue().size();<a name="line.418"></a>
-<span class="sourceLineNo">419</span> }<a name="line.419"></a>
-<span class="sourceLineNo">420</span><a name="line.420"></a>
-<span class="sourceLineNo">421</span> public int getSplitQueueSize() {<a
name="line.421"></a>
-<span class="sourceLineNo">422</span> return splits.getQueue().size();<a
name="line.422"></a>
-<span class="sourceLineNo">423</span> }<a name="line.423"></a>
-<span class="sourceLineNo">424</span><a name="line.424"></a>
-<span class="sourceLineNo">425</span> private boolean shouldSplitRegion() {<a
name="line.425"></a>
-<span class="sourceLineNo">426</span> if(server.getNumberOfOnlineRegions()
> 0.9*regionSplitLimit) {<a name="line.426"></a>
-<span class="sourceLineNo">427</span> LOG.warn("Total number of regions
is approaching the upper limit " + regionSplitLimit + ". "<a
name="line.427"></a>
-<span class="sourceLineNo">428</span> + "Please consider taking a
look at http://hbase.apache.org/book.html#ops.regionmgt");<a
name="line.428"></a>
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-<span class="sourceLineNo">430</span> return (regionSplitLimit >
server.getNumberOfOnlineRegions());<a name="line.430"></a>
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-<span class="sourceLineNo">432</span><a name="line.432"></a>
-<span class="sourceLineNo">433</span> /**<a name="line.433"></a>
-<span class="sourceLineNo">434</span> * @return the regionSplitLimit<a
name="line.434"></a>
-<span class="sourceLineNo">435</span> */<a name="line.435"></a>
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name="line.436"></a>
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name="line.437"></a>
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@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="EQ_COMPARETO_USE_OBJECT_EQUALS",<a
name="line.440"></a>
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compareTo")<a name="line.441"></a>
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implements Runnable, Comparable<CompactionRunner> {<a name="line.442"></a>
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name="line.443"></a>
-<span class="sourceLineNo">444</span> private final HRegion region;<a
name="line.444"></a>
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compaction;<a name="line.445"></a>
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name="line.446"></a>
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name="line.447"></a>
-<span class="sourceLineNo">448</span> private User user;<a
name="line.448"></a>
-<span class="sourceLineNo">449</span> private long time;<a
name="line.449"></a>
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-<span class="sourceLineNo">451</span> public CompactionRunner(Store store,
Region region,<a name="line.451"></a>
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ThreadPoolExecutor parent, User user) {<a name="line.452"></a>
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name="line.454"></a>
-<span class="sourceLineNo">455</span> this.region = (HRegion)region;<a
name="line.455"></a>
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name="line.456"></a>
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(this.compaction == null)<a name="line.457"></a>
-<span class="sourceLineNo">458</span> ? store.getCompactPriority() :
compaction.getRequest().getPriority();<a name="line.458"></a>
-<span class="sourceLineNo">459</span> this.parent = parent;<a
name="line.459"></a>
-<span class="sourceLineNo">460</span> this.user = user;<a
name="line.460"></a>
-<span class="sourceLineNo">461</span> this.time =
System.currentTimeMillis();<a name="line.461"></a>
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-<span class="sourceLineNo">464</span> @Override<a name="line.464"></a>
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name="line.465"></a>
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("Request = " + compaction.getRequest())<a name="line.466"></a>
-<span class="sourceLineNo">467</span> : ("regionName = " +
region.toString() + ", storeName = " + store.toString() +<a name="line.467"></a>
-<span class="sourceLineNo">468</span> ", priority = " +
queuedPriority + ", time = " + time);<a name="line.468"></a>
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-<span class="sourceLineNo">470</span><a name="line.470"></a>
-<span class="sourceLineNo">471</span> private void doCompaction(User user)
{<a name="line.471"></a>
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without a file selection. Select now.<a name="line.472"></a>
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name="line.473"></a>
-<span class="sourceLineNo">474</span> int oldPriority =
this.queuedPriority;<a name="line.474"></a>
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this.store.getCompactPriority();<a name="line.475"></a>
-<span class="sourceLineNo">476</span> if (this.queuedPriority >
oldPriority) {<a name="line.476"></a>
-<span class="sourceLineNo">477</span> // Store priority decreased
while we were in queue (due to some other compaction?),<a name="line.477"></a>
-<span class="sourceLineNo">478</span> // requeue with new priority to
avoid blocking potential higher priorities.<a name="line.478"></a>
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name="line.479"></a>
-<span class="sourceLineNo">480</span> return;<a name="line.480"></a>
-<span class="sourceLineNo">481</span> }<a name="line.481"></a>
-<span class="sourceLineNo">482</span> try {<a name="line.482"></a>
-<span class="sourceLineNo">483</span> this.compaction =
selectCompaction(this.region, this.store, queuedPriority, null, user);<a
name="line.483"></a>
-<span class="sourceLineNo">484</span> } catch (IOException ex) {<a
name="line.484"></a>
-<span class="sourceLineNo">485</span> LOG.error("Compaction selection
failed " + this, ex);<a name="line.485"></a>
-<span class="sourceLineNo">486</span> server.checkFileSystem();<a
name="line.486"></a>
-<span class="sourceLineNo">487</span> return;<a name="line.487"></a>
-<span class="sourceLineNo">488</span> }<a name="line.488"></a>
-<span class="sourceLineNo">489</span> if (this.compaction == null)
return; // nothing to do<a name="line.489"></a>
-<span class="sourceLineNo">490</span> // Now see if we are in correct
pool for the size; if not, go to the correct one.<a name="line.490"></a>
-<span class="sourceLineNo">491</span> // We might end up waiting for a
while, so cancel the selection.<a name="line.491"></a>
-<span class="sourceLineNo">492</span> assert
this.compaction.hasSelection();<a name="line.492"></a>
-<span class="sourceLineNo">493</span> ThreadPoolExecutor pool =
store.throttleCompaction(<a name="line.493"></a>
-<span class="sourceLineNo">494</span>
compaction.getRequest().getSize()) ? longCompactions : shortCompactions;<a
name="line.494"></a>
-<span class="sourceLineNo">495</span><a name="line.495"></a>
-<span class="sourceLineNo">496</span> // Long compaction pool can
process small job<a name="line.496"></a>
-<span class="sourceLineNo">497</span> // Short compaction pool should
not process large job<a name="line.497"></a>
-<span class="sourceLineNo">498</span> if (this.parent ==
shortCompactions && pool == longCompactions) {<a name="line.498"></a>
-<span class="sourceLineNo">499</span>
this.store.cancelRequestedCompaction(this.compaction);<a name="line.499"></a>
-<span class="sourceLineNo">500</span> this.compaction = null;<a
name="line.500"></a>
-<span class="sourceLineNo">501</span> this.parent = pool;<a
name="line.501"></a>
-<span class="sourceLineNo">502</span> this.parent.execute(this);<a
name="line.502"></a>
-<span class="sourceLineNo">503</span> return;<a name="line.503"></a>
-<span class="sourceLineNo">504</span> }<a name="line.504"></a>
-<span class="sourceLineNo">505</span> }<a name="line.505"></a>
-<span class="sourceLineNo">506</span> // Finally we can compact
something.<a name="line.506"></a>
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name="line.507"></a>
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this.compaction.getRequest().beforeExecute();<a name="line.509"></a>
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single-compaction logic here;<a name="line.511"></a>
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region/store/etc. This is CST logic.<a name="line.512"></a>
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EnvironmentEdgeManager.currentTime();<a name="line.513"></a>
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name="line.514"></a>
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"Completed" : "Aborted") + " compaction: " +<a name="line.517"></a>
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requestSystemCompaction(region, store, "Recursive enqueue");<a
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name="line.525"></a>
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name="line.528"></a>
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name="line.529"></a>
-<span class="sourceLineNo">530</span> ex instanceof RemoteException
? ((RemoteException) ex).unwrapRemoteException() : ex;<a name="line.530"></a>
-<span class="sourceLineNo">531</span> LOG.error("Compaction failed " +
this, remoteEx);<a name="line.531"></a>
-<span class="sourceLineNo">532</span> if (remoteEx != ex) {<a
name="line.532"></a>
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original callstack: " + formatStackTrace(ex));<a name="line.533"></a>
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region.reportCompactionRequestFailure();<a name="line.535"></a>
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name="line.536"></a>
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name="line.537"></a>
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this, ex);<a name="line.538"></a>
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region.reportCompactionRequestFailure();<a name="line.539"></a>
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this.compaction.getRequest().afterExecute();<a name="line.544"></a>
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Preconditions.checkNotNull(server);<a name="line.549"></a>
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name="line.550"></a>
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!= null && !region.getTableDescriptor().isCompactionEnabled())) {<a
name="line.551"></a>
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name="line.554"></a>
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formatStackTrace(Exception ex) {<a name="line.557"></a>
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StringWriter();<a name="line.558"></a>
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PrintWriter(sw);<a name="line.559"></a>
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name="line.560"></a>
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name="line.562"></a>
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request (if any), for queue sorting purposes.<a name="line.567"></a>
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o.queuedPriority; // compare priority<a name="line.568"></a>
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compareVal;<a name="line.569"></a>
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? 0 : 1)<a name="line.572"></a>
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tc.getRequest().compareTo(oc.getRequest()));<a name="line.573"></a>
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-<span class="sourceLineNo">575</span> }<a name="line.575"></a>
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-<span class="sourceLineNo">577</span> /**<a name="line.577"></a>
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+ runner);<a name="line.585"></a>
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runner.store.cancelRequestedCompaction(runner.compaction);<a
name="line.586"></a>
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compaction threads has changed, and then<a name="line.596"></a>
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LARGE_COMPACTION_THREADS_DEFAULT));<a name="line.603"></a>
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(this.longCompactions.getCorePoolSize() != largeThreads) {<a
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this.longCompactions.getCorePoolSize() + " to " +<a name="line.606"></a>
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if(this.longCompactions.getCorePoolSize() < largeThreads) {<a
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this.longCompactions.setMaximumPoolSize(largeThreads);<a name="line.609"></a>
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this.longCompactions.setCorePoolSize(largeThreads);<a name="line.610"></a>
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this.longCompactions.setCorePoolSize(largeThreads);<a name="line.612"></a>
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this.longCompactions.setMaximumPoolSize(largeThreads);<a name="line.613"></a>
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SMALL_COMPACTION_THREADS_DEFAULT);<a name="line.618"></a>
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(this.shortCompactions.getCorePoolSize() != smallThreads) {<a
name="line.619"></a>
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if(this.shortCompactions.getCorePoolSize() < smallThreads) {<a
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this.shortCompactions.setMaximumPoolSize(smallThreads);<a name="line.624"></a>
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this.shortCompactions.setCorePoolSize(smallThreads);<a name="line.625"></a>
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this.shortCompactions.setCorePoolSize(smallThreads);<a name="line.627"></a>
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this.shortCompactions.setMaximumPoolSize(smallThreads);<a name="line.628"></a>
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this.splits.setCorePoolSize(splitThreads);<a name="line.640"></a>
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this.splits.setCorePoolSize(splitThreads);<a name="line.642"></a>
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name="line.649"></a>
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=<a name="line.651"></a>
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CompactionThroughputControllerFactory.create(server, newConf);<a
name="line.652"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span> public int
getSmallCompactionQueueSize() {<a name="line.418"></a>
+<span class="sourceLineNo">419</span> return
shortCompactions.getQueue().size();<a name="line.419"></a>
+<span class="sourceLineNo">420</span> }<a name="line.420"></a>
+<span class="sourceLineNo">421</span><a name="line.421"></a>
+<span class="sourceLineNo">422</span> public int getSplitQueueSize() {<a
name="line.422"></a>
+<span class="sourceLineNo">423</span> return splits.getQueue().size();<a
name="line.423"></a>
+<span class="sourceLineNo">424</span> }<a name="line.424"></a>
+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span> private boolean shouldSplitRegion() {<a
name="line.426"></a>
+<span class="sourceLineNo">427</span> if(server.getNumberOfOnlineRegions()
> 0.9*regionSplitLimit) {<a name="line.427"></a>
+<span class="sourceLineNo">428</span> LOG.warn("Total number of regions
is approaching the upper limit " + regionSplitLimit + ". "<a
name="line.428"></a>
+<span class="sourceLineNo">429</span> + "Please consider taking a
look at http://hbase.apache.org/book.html#ops.regionmgt");<a
name="line.429"></a>
+<span class="sourceLineNo">430</span> }<a name="line.430"></a>
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server.getNumberOfOnlineRegions());<a name="line.431"></a>
+<span class="sourceLineNo">432</span> }<a name="line.432"></a>
+<span class="sourceLineNo">433</span><a name="line.433"></a>
+<span class="sourceLineNo">434</span> /**<a name="line.434"></a>
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name="line.435"></a>
+<span class="sourceLineNo">436</span> */<a name="line.436"></a>
+<span class="sourceLineNo">437</span> public int getRegionSplitLimit() {<a
name="line.437"></a>
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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>
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="EQ_COMPARETO_USE_OBJECT_EQUALS",<a
name="line.441"></a>
+<span class="sourceLineNo">442</span> justification="Contrived use of
compareTo")<a name="line.442"></a>
+<span class="sourceLineNo">443</span> private class CompactionRunner
implements Runnable, Comparable<CompactionRunner> {<a name="line.443"></a>
+<span class="sourceLineNo">444</span> private final Store store;<a
name="line.444"></a>
+<span class="sourceLineNo">445</span> private final HRegion region;<a
name="line.445"></a>
+<span class="sourceLineNo">446</span> private CompactionContext
compaction;<a name="line.446"></a>
+<span class="sourceLineNo">447</span> private int queuedPriority;<a
name="line.447"></a>
+<span class="sourceLineNo">448</span> private ThreadPoolExecutor parent;<a
name="line.448"></a>
+<span class="sourceLineNo">449</span> private User user;<a
name="line.449"></a>
+<span class="sourceLineNo">450</span> private long time;<a
name="line.450"></a>
+<span class="sourceLineNo">451</span><a name="line.451"></a>
+<span class="sourceLineNo">452</span> public CompactionRunner(Store store,
Region region,<a name="line.452"></a>
+<span class="sourceLineNo">453</span> CompactionContext compaction,
ThreadPoolExecutor parent, User user) {<a name="line.453"></a>
+<span class="sourceLineNo">454</span> super();<a name="line.454"></a>
+<span class="sourceLineNo">455</span> this.store = store;<a
name="line.455"></a>
+<span class="sourceLineNo">456</span> this.region = (HRegion)region;<a
name="line.456"></a>
+<span class="sourceLineNo">457</span> this.compaction = compaction;<a
name="line.457"></a>
+<span class="sourceLineNo">458</span> this.queuedPriority =
(this.compaction == null)<a name="line.458"></a>
+<span class="sourceLineNo">459</span> ? store.getCompactPriority() :
compaction.getRequest().getPriority();<a name="line.459"></a>
+<span class="sourceLineNo">460</span> this.parent = parent;<a
name="line.460"></a>
+<span class="sourceLineNo">461</span> this.user = user;<a
name="line.461"></a>
+<span class="sourceLineNo">462</span> this.time =
System.currentTimeMillis();<a name="line.462"></a>
+<span class="sourceLineNo">463</span> }<a name="line.463"></a>
+<span class="sourceLineNo">464</span><a name="line.464"></a>
+<span class="sourceLineNo">465</span> @Override<a name="line.465"></a>
+<span class="sourceLineNo">466</span> public String toString() {<a
name="line.466"></a>
+<span class="sourceLineNo">467</span> return (this.compaction != null) ?
("Request = " + compaction.getRequest())<a name="line.467"></a>
+<span class="sourceLineNo">468</span> : ("regionName = " +
region.toString() + ", storeName = " + store.toString() +<a name="line.468"></a>
+<span class="sourceLineNo">469</span> ", priority = " +
queuedPriority + ", time = " + time);<a name="line.469"></a>
+<span class="sourceLineNo">470</span> }<a name="line.470"></a>
+<span class="sourceLineNo">471</span><a name="line.471"></a>
+<span class="sourceLineNo">472</span> private void doCompaction(User user)
{<a name="line.472"></a>
+<span class="sourceLineNo">473</span> // Common case - system compaction
without a file selection. Select now.<a name="line.473"></a>
+<span class="sourceLineNo">474</span> if (this.compaction == null) {<a
name="line.474"></a>
+<span class="sourceLineNo">475</span> int oldPriority =
this.queuedPriority;<a name="line.475"></a>
+<span class="sourceLineNo">476</span> this.queuedPriority =
this.store.getCompactPriority();<a name="line.476"></a>
+<span class="sourceLineNo">477</span> if (this.queuedPriority >
oldPriority) {<a name="line.477"></a>
+<span class="sourceLineNo">478</span> // Store priority decreased
while we were in queue (due to some other compaction?),<a name="line.478"></a>
+<span class="sourceLineNo">479</span> // requeue with new priority to
avoid blocking potential higher priorities.<a name="line.479"></a>
+<span class="sourceLineNo">480</span> this.parent.execute(this);<a
name="line.480"></a>
+<span class="sourceLineNo">481</span> return;<a name="line.481"></a>
+<span class="sourceLineNo">482</span> }<a name="line.482"></a>
+<span class="sourceLineNo">483</span> try {<a name="line.483"></a>
+<span class="sourceLineNo">484</span> this.compaction =
selectCompaction(this.region, this.store, queuedPriority, null, user);<a
name="line.484"></a>
+<span class="sourceLineNo">485</span> } catch (IOException ex) {<a
name="line.485"></a>
+<span class="sourceLineNo">486</span> LOG.error("Compaction selection
failed " + this, ex);<a name="line.486"></a>
+<span class="sourceLineNo">487</span> server.checkFileSystem();<a
name="line.487"></a>
+<span class="sourceLineNo">488</span>
region.decrementCompactionsQueuedCount();<a name="line.488"></a>
+<span class="sourceLineNo">489</span> return;<a name="line.489"></a>
+<span class="sourceLineNo">490</span> }<a name="line.490"></a>
+<span class="sourceLineNo">491</span> if (this.compaction == null) {<a
name="line.491"></a>
+<span class="sourceLineNo">492</span>
region.decrementCompactionsQueuedCount();<a name="line.492"></a>
+<span class="sourceLineNo">493</span> return; // nothing to do<a
name="line.493"></a>
+<span class="sourceLineNo">494</span> }<a name="line.494"></a>
+<span class="sourceLineNo">495</span> // Now see if we are in correct
pool for the size; if not, go to the correct one.<a name="line.495"></a>
+<span class="sourceLineNo">496</span> // We might end up waiting for a
while, so cancel the selection.<a name="line.496"></a>
+<span class="sourceLineNo">497</span> assert
this.compaction.hasSelection();<a name="line.497"></a>
+<span class="sourceLineNo">498</span> ThreadPoolExecutor pool =
store.throttleCompaction(<a name="line.498"></a>
+<span class="sourceLineNo">499</span>
compaction.getRequest().getSize()) ? longCompactions : shortCompactions;<a
name="line.499"></a>
+<span class="sourceLineNo">500</span><a name="line.500"></a>
+<span class="sourceLineNo">501</span> // Long compaction pool can
process small job<a name="line.501"></a>
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not process large job<a name="line.502"></a>
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shortCompactions && pool == longCompactions) {<a name="line.503"></a>
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this.store.cancelRequestedCompaction(this.compaction);<a name="line.504"></a>
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this.compaction.getRequest().beforeExecute();<a name="line.514"></a>
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? ((RemoteException) ex).unwrapRemoteException() : ex;<a name="line.535"></a>
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this, remoteEx);<a name="line.536"></a>
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name="line.537"></a>
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this.compaction.getRequest().afterExecute();<a name="line.550"></a>
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runner.store.cancelRequestedCompaction(runner.compaction);<a
name="line.593"></a>
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