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Pavel Salimov edited comment on HBASE-18098 at 5/29/17 10:51 AM: ----------------------------------------------------------------- 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). -- This message was sent by Atlassian JIRA (v6.3.15#6346)