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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9517) Switch to DTCS for hint storage
Date Fri, 29 May 2015 21:19:18 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14565438#comment-14565438
] 

Jonathan Ellis commented on CASSANDRA-9517:
-------------------------------------------

Do you mind spelling out your reasoning there?

> Switch to DTCS for hint storage
> -------------------------------
>
>                 Key: CASSANDRA-9517
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9517
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jeremy Hanna
>             Fix For: 2.1.6
>
>
> The DateTieredCompactionStrategy is a good choice for HintedHandoff so that we reduce
the compaction load we incur when users build up hints.  [~atobey@datastax.com] and others
have tried the following patch in various setups and have seen significantly less load from
hint compaction.
> https://gist.github.com/tobert/c069af27e3f8840d137d
> Setting the time window to 10 minutes has shown additional improvement.
> [~krummas] do you have any feedback about this idea and/or settings?



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