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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2862) Major Compaction issues
Date Thu, 05 Jun 2014 21:58:03 GMT
Josh Elser created ACCUMULO-2862:
------------------------------------

             Summary: Major Compaction issues
                 Key: ACCUMULO-2862
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2862
             Project: Accumulo
          Issue Type: Bug
          Components: tserver
            Reporter: Josh Elser
            Assignee: Eric Newton
             Fix For: 1.7.0


Since the last round of tserver/tablet refactoring, I've been getting some spurious errors
while running two tservers on a single node with a single continuous ingest client.

{noformat}
java.lang.RuntimeException: java.lang.IllegalStateException: Major compacting files not empty
[...]
	at org.apache.accumulo.tserver.tablet.Tablet.majorCompact(Tablet.java:1998)
	at org.apache.accumulo.tserver.tablet.CompactionRunner.run(CompactionRunner.java:42)
	at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:42)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
	at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalStateException: Major compacting files not empty [...]
	at org.apache.accumulo.tserver.tablet.DatafileManager.reserveMajorCompactingFiles(DatafileManager.java:484)
	at org.apache.accumulo.tserver.tablet.Tablet._majorCompact(Tablet.java:1797)
	at org.apache.accumulo.tserver.tablet.Tablet.majorCompact(Tablet.java:1986)
	... 7 more
2014-06-05 16:46:
{noformat}

As well as some CompactionCanceledExceptions.

{noformat}
Thread "major compactor 2" died org.apache.accumulo.tserver.tablet.Compactor$CompactionCanceledException
	java.lang.RuntimeException: org.apache.accumulo.tserver.tablet.Compactor$CompactionCanceledException
		at org.apache.accumulo.tserver.tablet.Tablet.majorCompact(Tablet.java:1970)
		at org.apache.accumulo.tserver.tablet.CompactionRunner.run(CompactionRunner.java:42)
		at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:42)
		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
		at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
		at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
		at java.lang.Thread.run(Thread.java:745)
	Caused by: org.apache.accumulo.tserver.tablet.Compactor$CompactionCanceledException
		at org.apache.accumulo.tserver.tablet.Compactor.compactLocalityGroup(Compactor.java:370)
		at org.apache.accumulo.tserver.tablet.Compactor.call(Compactor.java:206)
		at org.apache.accumulo.tserver.tablet.Tablet._majorCompact(Tablet.java:1853)
		at org.apache.accumulo.tserver.tablet.Tablet.majorCompact(Tablet.java:1962)
		... 7 more
{noformat}



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