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From "Dikang Gu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-10574) Add the option to skip compaction for hints cf when doing the handoff.
Date Fri, 23 Oct 2015 06:26:27 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-10574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dikang Gu updated CASSANDRA-10574:
----------------------------------
    Attachment: hints.patch

> Add the option to skip compaction for hints cf when doing the handoff.
> ----------------------------------------------------------------------
>
>                 Key: CASSANDRA-10574
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10574
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Dikang Gu
>            Assignee: Dikang Gu
>             Fix For: 2.1.x
>
>         Attachments: hints.patch
>
>
> In our production env, we stop the gossip for about 1 hour on around 1/3 of nodes, and
then we enable the gossip and it took very long time for the other 2/3 nodes to do the hints
handoff.
> I find that most of the time is spent to do the compaction before each hints handoff,
while in most case, there is only one sstable, and it's really not necessary to do the compaction.
> So I add the option to skip the compaction to allow the nodes to finish hints handoff
very quickly.



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