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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3564) flush before shutdown so restart is faster
Date Tue, 24 Jul 2012 22:15:35 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421826#comment-13421826
] 

Brandon Williams commented on CASSANDRA-3564:
---------------------------------------------

bq. Maybe the best thing to do is to leave the status quo and close this as wontfix.

I'm kind of leaning toward that, but we could still improve the (debian) packaging to have
a 'call flush for me before shutdown' flag at least, giving you most of the spirit of the
ticket if you'd like it.
                
> flush before shutdown so restart is faster
> ------------------------------------------
>
>                 Key: CASSANDRA-3564
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3564
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Packaging
>            Reporter: Jonathan Ellis
>            Assignee: David Alves
>            Priority: Minor
>             Fix For: 1.2
>
>         Attachments: 3564.patch, 3564.patch
>
>
> Cassandra handles flush in its shutdown hook for durable_writes=false CFs (otherwise
we're *guaranteed* to lose data) but leaves it up to the operator otherwise.  I'd rather leave
it that way to offer these semantics:
> - cassandra stop = shutdown nicely [explicit flush, then kill -int]
> - kill -INT = shutdown faster but don't lose any updates [current behavior]
> - kill -KILL = lose most recent writes unless durable_writes=true and batch commits are
on [also current behavior]
> But if it's not reasonable to use nodetool from the init script then I guess we can just
make the shutdown hook flush everything.

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