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https://issues.apache.org/jira/browse/HBASE-7723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569783#comment-13569783
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Matteo Bertozzi commented on HBASE-7723:
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currently the only logs split are for the ones present under .logs (the
"active" ones)
and to be 100% correct you should lookup the log by name in both .logs and
.oldlogs if it doesn't exists in the .logs (e.g. snapshot case)
note also that now, the splitLogDistributed() arg is too open. it can be a dir
path or a list of paths to the log files.
This means that the logs can even be somewhere else and not only in the root
dir (e.g. custom tool to apply logs from a backup dir)
> Remove NN URI from ZK splitlogs.
> --------------------------------
>
> Key: HBASE-7723
> URL: https://issues.apache.org/jira/browse/HBASE-7723
> Project: HBase
> Issue Type: Bug
> Components: hadoop2, master
> Affects Versions: 0.92.0
> Reporter: Kevin Odell
> Assignee: Himanshu Vashishtha
> Fix For: 0.96.0, 0.94.6
>
> Attachments: HBASE-7723-94.patch, HBASE-7723-94-v2.patch,
> HBASE-7723-94-v3.patch, HBASE-7723-94-v4.patch, HBASE-7723-trunk-v1.patch,
> HBASE-7723-trunk-v2.patch
>
>
> When moving to HDFS HA or removing HA we end up changing the NN namespace.
> This can cause the HMaster not to start up fully due to trying to split
> phantom HLogs pointing to the wrong FS - java.lang.IllegalArgumentException:
> Wrong FS: error messages. The HLogs in question might not even be on HDFS
> anymore. You have to go in a manually clear out the ZK splitlogs directory
> to get HBase to properly boot up.
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