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https://issues.apache.org/jira/browse/HBASE-7824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13583869#comment-13583869
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Jeffrey Zhong commented on HBASE-7824:
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Hey Lars,
Do you want me to put the fix into 0.94.6? After the fix, master starts up will
only blocked on meta region servers(including root & meta) recovery. Assuming,
a 100 nodes cluster, the meta region servers is only about 2% of all region
servers. Therefore, master virtually doesn't wait log splitting work for
starting up.
Thanks,
-Jeffrey
> Improve master start up time when there is log split work
> ---------------------------------------------------------
>
> Key: HBASE-7824
> URL: https://issues.apache.org/jira/browse/HBASE-7824
> Project: HBase
> Issue Type: Bug
> Components: master
> Reporter: Jeffrey Zhong
> Assignee: Jeffrey Zhong
> Fix For: 0.94.6
>
>
> When there is log split work going on, master start up waits till all log
> split work completes even though the log split has nothing to do with meta
> region servers.
> It's a bad behavior considering a master node can run when log split is
> happening while its start up is blocking by log split work.
> Since master is kind of single point of failure, we should start it ASAP.
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