[jira] [Updated] (CASSANDRA-3564) flush before shutdown so restart is faster

["David Alves (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-3564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Alves updated CASSANDRA-3564:
-----------------------------------

    Attachment: 3564.patch

Patch that includes killing/waiting in the do_stop function of the init debian script. 

Script does not actually call the flushTablesAndExit() instead jsvc's stop() hook does, after killing the RPC and native servers.

Node is given 100 secs to finish flush, I'm not sure this is a good default setting.
                
> 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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