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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2017/03/31 01:52:41 UTC

[jira] [Updated] (HBASE-17482) mvcc mechanism fails when using mvccPreAssign

     [ https://issues.apache.org/jira/browse/HBASE-17482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang updated HBASE-17482:
------------------------------
    Affects Version/s:     (was: 2.0..)
                       2.0.0

> mvcc mechanism fails when using mvccPreAssign
> ---------------------------------------------
>
>                 Key: HBASE-17482
>                 URL: https://issues.apache.org/jira/browse/HBASE-17482
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Allan Yang
>            Assignee: Allan Yang
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17482.patch, HBASE-17482.v2.patch, HBASE-17482.v3.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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