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https://issues.apache.org/jira/browse/HBASE-24984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17381029#comment-17381029
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Gaurav Kanade commented on HBASE-24984:
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[~stack] yes, we had a repro based on our version (2.1.6) and believed it
applied directly to master before realizing it didnt. I will put out a separate
PR first for 2.x branches and then validate what needs to change in the test to
repro it on master.
> WAL corruption due to early DBBs re-use when Durability.ASYNC_WAL is used
> with multi operation
> ----------------------------------------------------------------------------------------------
>
> Key: HBASE-24984
> URL: https://issues.apache.org/jira/browse/HBASE-24984
> Project: HBase
> Issue Type: Bug
> Components: rpc, wal
> Affects Versions: 2.1.6
> Reporter: Liu Junhong
> Assignee: Gaurav Kanade
> Priority: Critical
> Fix For: 2.5.0, 2.3.6, 3.0.0-alpha-2, 2.4.5
>
>
> After bugfix HBASE-22539, When client use BufferedMutator or multiple
> mutation , there will be one RpcCall and mutliple FSWALEntry . At the time
> RpcCall finish and one FSWALEntry call release() , the remain FSWALEntries
> may trigger RuntimeException or segmentation fault .
> We should use RefCnt instead of AtomicInteger for
> org.apache.hadoop.hbase.ipc.ServerCall.reference?
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