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https://issues.apache.org/jira/browse/CASSANDRA-3179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13103985#comment-13103985
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Jonathan Ellis commented on CASSANDRA-3179:
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bq. SSTableReader.releaseReference() could see a refcount of 2, and not call
the dfile.cleanup()
That means a read thread has a reference still, so cleanup will run when THAT
thread releases it.
> JVM segfaults
> -------------
>
> Key: CASSANDRA-3179
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3179
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.0
> Environment: java version "1.6.0_26"
> Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
> Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
> Reporter: Brandon Williams
> Assignee: Jonathan Ellis
> Fix For: 1.0.0
>
> Attachments: 3179-performance-test.txt, 3179-v2.txt, 3179.txt,
> hs_err_pid12074.log, hs_err_pid28971.log, hs_err_pid7031.log
>
>
> Both with and without compressed OOPs enabled. Seems to mostly happen during
> compaction+reads. I'll attach some hs_err files shortly.
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