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https://issues.apache.org/jira/browse/CASSANDRA-9213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14503079#comment-14503079
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Philip Thompson commented on CASSANDRA-9213:
--------------------------------------------
/cc [~krummas]
> Compaction errors observed during heavy write load: BAD RELEASE
> ---------------------------------------------------------------
>
> Key: CASSANDRA-9213
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9213
> Project: Cassandra
> Issue Type: Bug
> Environment: Cassandra 2.1.4.374
> Ubuntu 14.04.2
> java version "1.7.0_45"
> 10-node cluster, RF = 3
> Reporter: Rocco Varela
> Fix For: 2.1.5
>
> Attachments: COMPACTION-ERR.log
>
>
> During heavy write load testing we're seeing occasional compaction errors
> with the following error message:
> {code}
> ERROR [CompactionExecutor:40] 2015-04-16 17:01:16,936 Ref.java:170 - BAD
> RELEASE: attempted to release a reference
> (org.apache.cassandra.utils.concurrent.Ref$State@ 31d969bd) that has
> already been released
> ...
> ERROR [CompactionExecutor:40] 2015-04-16 17:01:22,190
> CassandraDaemon.java:223 - Exception in thread
> Thread[CompactionExecutor:40,1,main]
> java.lang.AssertionError: null
> at
> org.apache.cassandra.io.sstable.SSTableReader.markObsolete(SSTableReader.java:1699)
> ~[cassandra-all-2.1.4.374.jar:2.1.4.374]
> at
> org.apache.cassandra.db.DataTracker.unmarkCompacting(DataTracker.java:240)
> ~[cassandra-all-2.1.4.374.jar:2.1.4.374]
> at
> org.apache.cassandra.io.sstable.SSTableRewriter.replaceWithFinishedReaders(SSTableRewriter.java:495)
> ~[cassandra-all-2.1.4.374.jar:2.1.4.374]
> at
> ...
> {code}
> I have turned on debugrefcount in bin/cassandra:launch_service() and I will
> repost another stack trace when it happens again.
> {code}
> cassandra_parms="$cassandra_parms -Dcassandra.debugrefcount=true"
> {code}
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