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https://issues.apache.org/jira/browse/HBASE-18098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16028222#comment-16028222
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Pavel Salimov edited comment on HBASE-18098 at 5/29/17 10:51 AM:
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Unfortunately no, I can't reproduce :( But I have found another region in the 
same state. The both problematic regions were the last ones BTW.


was (Author: chcat):
Unfortunately no :( But I have wound another region in the same state. The both 
problematic regions were the last ones BTW.

> Region data ended up in a file of an another region
> ---------------------------------------------------
>
>                 Key: HBASE-18098
>                 URL: https://issues.apache.org/jira/browse/HBASE-18098
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: Pavel Salimov
>
> Somehow it happened that a region, say AB, was split onto A and B, but some 
> portion of B's data were missing in B's H-files, still presenting in A's 
> files. I am not completely sure, was it a result of just a failure during 
> split, or of applying hbck repair after that. 
> Anyway, data of some rows belonging to B were missing accessing normally. I 
> was able to access them making a scan type query regarding these rows to 
> region A (despite the rows are after its end). Hbck repairs, splitting A onto 
> A0, A1 and (full) compaction did not change the situation: the data were 
> still missing in B migrated to A1. 
> Copying the file from A1 dir to B finally made the data accessible.
>  
> I am reporting the issue in hope to get an advice on how to detect such an 
> inconsistency as well as hoping to clarify what leaded to such a state (and 
> fixed if it is a bug).



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