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https://issues.apache.org/jira/browse/CASSANDRA-13031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828012#comment-15828012
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Jason Brown commented on CASSANDRA-13031:
-----------------------------------------

+1 (on [~aweisberg]'s patch). commited as sha 
d6ceb940e3dc9484ec197c539aa65c41116ce660 to trunk (4.0)

thanks!

> 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: 4.0, 3.x
>
>         Attachments: 0001-Avoid-un-needed-system-flushes-on-startup.patch, 
> debug_130131_2.diff, debug_130131.diff, debug-fast.log, debug.log
>
>
> 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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