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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2017/01/18 03:49:26 UTC

[jira] [Commented] (HBASE-17482) mvcc mechanism failed when using mvccPreAssign

    [ https://issues.apache.org/jira/browse/HBASE-17482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15827386#comment-15827386 ] 

Ted Yu commented on HBASE-17482:
--------------------------------

lgtm

TestFromClientSide takes 248s on Jenkins.

Consider moving the test to TestFromClientSide3 which is shorter currently.

> mvcc mechanism failed when using mvccPreAssign
> ----------------------------------------------
>
>                 Key: HBASE-17482
>                 URL: https://issues.apache.org/jira/browse/HBASE-17482
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0..
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>            Priority: Critical
>         Attachments: HBASE-17482.patch
>
>
> If mvccPreAssign and ASYNC_WAL is used, then cells may have been commited to memstore before append thread can stamp seqid to them. The unit test shows everything.



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