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https://issues.apache.org/jira/browse/CASSANDRA-5357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630062#comment-13630062
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T Jake Luciani commented on CASSANDRA-5357:
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One idea we have been playing with is to create a row cache that writes to SSD.
This is similar to how https://github.com/facebook/flashcache/ works.
The idea being you put you cold rows are on spinning disk and your hot rows are
cached on SSD (uncompressed).
I think this would work really well and would be a good use for keeping the old
row cache around.
> Query cache
> -----------
>
> Key: CASSANDRA-5357
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5357
> Project: Cassandra
> Issue Type: Bug
> Reporter: Jonathan Ellis
> Assignee: Vijay
>
> I think that most people expect the row cache to act like a query cache,
> because that's a reasonable model. Caching the entire partition is, in
> retrospect, not really reasonable, so it's not surprising that it catches
> people off guard, especially given the confusion we've inflicted on ourselves
> as to what a "row" constitutes.
> I propose replacing it with a true query cache.
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