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Posted to issues@hbase.apache.org by "Joseph (JIRA)" <ji...@apache.org> on 2016/07/05 20:13:11 UTC
[jira] [Assigned] (HBASE-16081) Replication remove_peer gets stuck
and blocks WAL rolling
[ https://issues.apache.org/jira/browse/HBASE-16081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph reassigned HBASE-16081:
------------------------------
Assignee: Joseph (was: Ashu Pachauri)
> Replication remove_peer gets stuck and blocks WAL rolling
> ---------------------------------------------------------
>
> Key: HBASE-16081
> URL: https://issues.apache.org/jira/browse/HBASE-16081
> Project: HBase
> Issue Type: Bug
> Components: regionserver, Replication
> Reporter: Ashu Pachauri
> Assignee: Joseph
> Attachments: HBASE-16081.patch
>
>
> We use a blocking take from CompletionService in HBaseInterClusterReplicationEndpoint. When we remove a peer, we try to shut down all threads gracefully. But, under certain race condition, the underlying executor gets shutdown and the CompletionService#take will block forever, which means the remove_peer call will never gracefully finish.
> Since ReplicationSourceManager#removePeer and ReplicationSourceManager#recordLog lock on the same object, we are not able to roll WALs in such a situation and will end up with gigantic WALs.
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