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From "ramkrishna.s.vasudevan (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5782) Not all the regions are getting assigned after the log splitting.
Date Mon, 16 Apr 2012 16:08:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13254782#comment-13254782
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ramkrishna.s.vasudevan commented on HBASE-5782:
-----------------------------------------------

This patch passes TestHLog and TestHRegion.  Not able to run the testsuite as at home.
The idea here is the edits till the seq id already persisted can be safely ignored.
Now from this issue we are sure that the edits can appear in diff seq not necessary in the
ascending order.

So all the edits less than the seq id from the store files are skipped and all other edits
are consdiered.  Please provide your comments.
                
> Not all the regions are getting assigned after the log splitting.
> -----------------------------------------------------------------
>
>                 Key: HBASE-5782
>                 URL: https://issues.apache.org/jira/browse/HBASE-5782
>             Project: HBase
>          Issue Type: Bug
>          Components: wal
>    Affects Versions: 0.94.0
>            Reporter: Gopinathan A
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Blocker
>             Fix For: 0.94.0
>
>         Attachments: HBASE-5782.patch
>
>
> Create a table with 1000 splits, after the region assignemnt, kill the regionserver wich
contains META table.
> Here few regions are missing after the log splitting and region assigment. HBCK report
shows multiple region holes are got created.
> Same scenario was verified mulitple times in 0.92.1, no issues.

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