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https://issues.apache.org/jira/browse/HBASE-4101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183866#comment-13183866
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stack commented on HBASE-4101:
------------------------------
@Ram Yes.
> Regionserver Deadlock
> ---------------------
>
> Key: HBASE-4101
> URL: https://issues.apache.org/jira/browse/HBASE-4101
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.90.3
> Environment: CentOS 5.5, CDH3 u0 Hadoop, HBase 0.90.3
> Reporter: Matt Davies
> Assignee: ramkrishna.s.vasudevan
> Priority: Blocker
> Fix For: 0.92.0
>
> Attachments: HBASE-4101_0.90.patch, HBASE-4101_0.90_1.patch,
> HBASE-4101_trunk.patch, HBASE-4101_trunk_1.patch, jstack.txt
>
>
> We periodically see a situation where the regionserver process exists in the
> process list, zookeeper thread sends the keepalive so the master won't remove
> it from the active list, yet the regionserver will not serve data.
> Hadoop(cdh3u0), HBase 0.90.3 (Apache version), under load from an internal
> testing tool.
> Attached is the full JStack
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