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From "Ariel Weisberg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13031) Speed-up start-up sequence by avoiding un-needed flushes
Date Fri, 06 Jan 2017 16:45:58 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15804961#comment-15804961
] 

Ariel Weisberg commented on CASSANDRA-13031:
--------------------------------------------

OK, rebase and running the tests again now.

||code|tests|dtests||
|[3.x|https://github.com/apache/cassandra/compare/cassandra-3.X...aweisberg:cassandra-13031-3.x?expand=1]|[utests|https://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-cassandra-13031-3.x-testall/2/]|[dtests|https://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-cassandra-13031-3.x-dtest/2/]|
|[trunk|https://github.com/apache/cassandra/compare/trunk...aweisberg:cassandra-13031-trunk?expand=1]|[utests|https://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-cassandra-13031-trunk-testall/]|[dtests|https://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-cassandra-13031-trunk-dtest/1/]|



> Speed-up start-up sequence by avoiding un-needed flushes
> --------------------------------------------------------
>
>                 Key: CASSANDRA-13031
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13031
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Corentin Chary
>            Assignee: Corentin Chary
>            Priority: Minor
>             Fix For: 3.x
>
>         Attachments: 0001-Avoid-un-needed-system-flushes-on-startup.patch, debug-fast.log,
debug.log, debug_130131.diff, debug_130131_2.diff
>
>
> Similar to CASSANDRA-12969, do a conditional update for all functions
>     with a forced blocking flush to avoid slowed-down boot sequences. The
>     small performance hit of doing a read is always smaller than the one
>     associated with a fsync().



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