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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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