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From "Appy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18539) Remove usages of masterSystemTime
Date Tue, 15 Aug 2017 23:31:02 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16128061#comment-16128061
] 

Appy commented on HBASE-18539:
------------------------------

+1ed on RB.
Pushed to branch HBASE-14070.HLC.
Thanks for the patch [~amit.patel].

> Remove usages of masterSystemTime
> ---------------------------------
>
>                 Key: HBASE-18539
>                 URL: https://issues.apache.org/jira/browse/HBASE-18539
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Amit Patel
>            Assignee: Amit Patel
>            Priority: Trivial
>             Fix For: HBASE-14070
>
>         Attachments: HBASE-18539.HBASE-14070.HLC.001.patch, HBASE-18539.HBASE-14070.HLC.002.patch,
HBASE-18539.HBASE-14070.HLC.003.patch
>
>
> After removing the use of the master's system timestamp for meta updates in [HBASE-18328|https://issues.apache.org/jira/browse/HBASE-18328]
and now that we pass the timestamps during region open/close in [HBASE-18395|https://issues.apache.org/jira/browse/HBASE-18395],
we can also remove all legacy usages of masterSystemTime.
> This was initially introduced in [HBASE-13709|https://issues.apache.org/jira/browse/HBASE-13709]
to send the master's current system time during an open region RPC to fix a case where certain
meta table updates could be eclipsed in very rare circumstances.



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