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https://issues.apache.org/jira/browse/HBASE-12978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14313785#comment-14313785
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stack commented on HBASE-12978:
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The file just previous to this one -- the result of a compaction on meta --
seems fine. Looking at its indices, I see stuff like this:
key=IntegrationTestBigLinkedList,C//LATEST_TIMESTAMP/Maximum
offset=166171, dataSize=8247
... so this looks like our index entry 'tightener', the code that shrinks the
keys so take up less space in index. The problematic one is this:
key=IntegrationTestBigLinkedList,,//LATEST_TIMESTAMP/Maximum
offset=116101, dataSize=8298
... which has the double ',,' in it which has special meaning for our meta
table comparators.....
> hbase:meta has a row missing hregioninfo and it causes my long-running job to
> fail
> ----------------------------------------------------------------------------------
>
> Key: HBASE-12978
> URL: https://issues.apache.org/jira/browse/HBASE-12978
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 1.0.1
>
> Attachments: e7cadabc6e5e46c7bf6b3d445f0c53cf
>
>
> Testing 1.0.0 trying long-running tests.
> A row in hbase:meta was missing its HRI entry. It caused the job to fail.
> Around the time of the first task failure, there are balances of the
> hbase:meta region and it was on a server that crashed. I tried to look at
> what happened around time of our writing hbase:meta and I ran into another
> issue; 20 logs of 256MBs filled with WrongRegionException written over a
> minute or two. The actual update of hbase:meta was not in the logs, it'd been
> rotated off.
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