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Posted to issues@hbase.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/04/16 07:09:26 UTC
[jira] Commented: (HBASE-2457) RS gets stuck compacting region ad
infinitum
[ https://issues.apache.org/jira/browse/HBASE-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857675#action_12857675 ]
Todd Lipcon commented on HBASE-2457:
------------------------------------
Audit logs are just showing the "stuck" RS doing this:
2010-04-15 22:08:00,574 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: ugi=todd,todd,adm,git ip=/192.168.42.43 cmd=listStatus src=/hbase/test1/1736416594/actions dst=null perm=null
2010-04-15 22:08:00,576 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: ugi=todd,todd,adm,git ip=/192.168.42.43 cmd=mkdirs src=/hbase/test1/compaction.dir/1736416594 dst=null perm=todd:supergroup:rwxr-xr-x
2010-04-15 22:08:00,577 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: ugi=todd,todd,adm,git ip=/192.168.42.43 cmd=delete src=/hbase/test1/compaction.dir/1736416594 dst=null perm=null
2010-04-15 22:08:01,575 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: ugi=todd,todd,adm,git ip=/192.168.42.43 cmd=listStatus src=/hbase/test1/1736416594/actions dst=null perm=null
(ie a noop compaction)
> RS gets stuck compacting region ad infinitum
> --------------------------------------------
>
> Key: HBASE-2457
> URL: https://issues.apache.org/jira/browse/HBASE-2457
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.4
> Reporter: Todd Lipcon
> Priority: Critical
> Attachments: log.gz, stack
>
>
> Testing 0.20_pre_durability@934643, I ended up in a state where one region server got stuck compacting a single region over and over again forever. This was with a special config with very low flush threshold in order to stress test flush/compact code.
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