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From "Jeff Jirsa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8460) Make it possible to move non-compacting sstables to slow/big storage in DTCS
Date Sat, 24 Oct 2015 19:13:27 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14972816#comment-14972816
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Jeff Jirsa commented on CASSANDRA-8460:
---------------------------------------

I should probably cancel patch-available. Will need significant rebase due to CASSANDRA-8671
, and max_sstable_age_days probably isn't the right tuning knob to use assuming CASSANDRA-10280
makes it in. [~bdeggleston] - if there's a better way to implement since 8671, and you want
to chat about how you'd like to see this implemented in IRC or email, I'll happily re-implement.


> Make it possible to move non-compacting sstables to slow/big storage in DTCS
> ----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-8460
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8460
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Marcus Eriksson
>            Assignee: Jeff Jirsa
>              Labels: dtcs
>             Fix For: 3.x
>
>
> It would be nice if we could configure DTCS to have a set of extra data directories where
we move the sstables once they are older than max_sstable_age_days. 
> This would enable users to have a quick, small SSD for hot, new data, and big spinning
disks for data that is rarely read and never compacted.



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