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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-698) HLog recovery is not performed after master failure
Date Tue, 14 Jul 2009 16:25:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730943#action_12730943
] 

stack commented on HBASE-698:
-----------------------------

Yes.  Sequenceid should prevent our taking on old edits.  I like the idea of release noting
cleanup of dirs going 0.19.3 to 0.19.4 and I'll add cleanup to migration to 0.20.0.  +1 on
patch.



> HLog recovery is not performed after master failure
> ---------------------------------------------------
>
>                 Key: HBASE-698
>                 URL: https://issues.apache.org/jira/browse/HBASE-698
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 0.1.2, 0.2.1, 0.19.3
>            Reporter: Clint Morgan
>            Assignee: Jean-Daniel Cryans
>            Priority: Blocker
>             Fix For: 0.20.0, 0.19.4
>
>         Attachments: hbase-698-0.19.patch, hbase-698.patch
>
>
> I have a local cluster running, and its logging to
> <hbase>/log_X.X.X.X_1213228101021_60020/
> Then I kill both master and regionserver, and restart. Looking through
> the logs I don't see anything about trying to recover from this hlog,
> it just creates a new hlog alongside the existing one (with a new
> startcode).  The older hlog seems to be ignored, and the tables
> created in the inital session are all gone.

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