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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15082) Fix merge of MVCC and SequenceID performance regression
Date Sat, 09 Jan 2016 07:04:39 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-15082:
--------------------------
    Attachment: 15082v2.txt

Patch to try against hadoopqa. Lets see whats broke. All WAL appends have been changed so
we sync before add to memstore and we no longer do wait on mvcc. Also got rid of more copy/paste.

> Fix merge of MVCC and SequenceID performance regression
> -------------------------------------------------------
>
>                 Key: HBASE-15082
>                 URL: https://issues.apache.org/jira/browse/HBASE-15082
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Performance
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: 15082.patch, 15082v2.txt
>
>
> This is general fix for increments (appends, checkAnd*) perf-regression identified in
the parent issue. HBASE-15031 has a narrow fix for branch-1.1 and branch-1.0.



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