[jira] [Commented] (HBASE-16232) ITBLL fails on branch-1.3, now loosing actual keys

["Mikhail Antonov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-16232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378450#comment-15378450 ] 

Mikhail Antonov commented on HBASE-16232:
-----------------------------------------

I didn't not try this test config with 1.2.2 though, so not yet sure where the regression creeped in.

> ITBLL fails on branch-1.3, now loosing actual keys
> --------------------------------------------------
>
>                 Key: HBASE-16232
>                 URL: https://issues.apache.org/jira/browse/HBASE-16232
>             Project: HBase
>          Issue Type: Bug
>          Components: dataloss, integration tests
>    Affects Versions: 1.3.0
>            Reporter: Mikhail Antonov
>            Priority: Blocker
>
> So I'm running ITBLL off branch-1.3 on recent commit (after [~stack]'s fix for fake keys showing up in the scans) with increased number of regions per regionserver and seeing the following.
> {quote} 
> $Verify​$Counts	
> REFERENCED	0	4,999,999,994	4,999,999,994
> UNDEFINED	0	3	3
> UNREFERENCED	0	3	3
> {quote}
> So we're loosing some keys. This time those aren't fake:
> {quote}
> undef	
> \x89\x10\xE0\xBBx\xF1\xC4\xBAY`\xC4\xD77\x87\x84\x0F	0	1	1
> \x89\x11\x0F\xBA@\x0D8^\xAE \xB1\xCAh\xEB&\xE3	0	1	1
> \x89\x16waxv;\xB1\xE3Z\xE6"|\xFC\xBE\x9A	0	1	1
> unref	
> \x15\x1F*f\x92i6\x86\x1D\x8E\xB7\xE1\xC1=\x96\xEF	0	1	1
> \xF4G\xC6E\xD6\xF1\xAB\xB7\xDB\xC0\x94\xF2\xE7mN\xEC	0	1	1
> U\x0F'\x88\x106\x19\x1C\x87Y"\xF3\xE6\xC1\xC8\x15
> {quote}
> Re-running verify step with CM off still shows this issue. Search tool reports:
> {quote}
> Total
> \x89\x11\x0F\xBA@\x0D8^\xAE \xB1\xCAh\xEB&\xE3	5	0	5
> \x89\x16waxv;\xB1\xE3Z\xE6"|\xFC\xBE\x9A	4	0	4
> CELL_WITH_MISSING_ROW	15	0	15
> {quote}
> Will post more as I dig into.



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