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From "Jimmy Xiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8321) Log split worker should heartbeat to avoid timeout
Date Mon, 15 Apr 2013 18:12:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13631959#comment-13631959

Jimmy Xiang commented on HBASE-8321:

Sure, go ahead. I am ok with the idea. However I'd like the heartbeat is fixed at first since
it is relatively simpler and safer. Removing the timeout thing may take some time to bake.
> Log split worker should heartbeat to avoid timeout
> --------------------------------------------------
>                 Key: HBASE-8321
>                 URL: https://issues.apache.org/jira/browse/HBASE-8321
>             Project: HBase
>          Issue Type: Bug
>          Components: wal
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>         Attachments: trunk-8321_v1.patch
> Currently, hlog splitter could spend quite sometime to split a log in case any HDFS issue
and recoverLease/retry opening is needed.  If distributed log split manager times out the
log worker, other log worker to take over will run into the same issue.
> Ideally, we should not need a timeout monitor.  Since we have a timeout monitor for DSL
now, the worker should heartbeat to avoid wrong/unneeded timeouts.

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