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https://issues.apache.org/jira/browse/CASSANDRA-678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12798569#action_12798569
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Chris Goffinet commented on CASSANDRA-678:
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Apologies, yes you're right. Had another patch named 0002 that I didn't notice.
> row-level cache
> ---------------
>
> Key: CASSANDRA-678
> URL: https://issues.apache.org/jira/browse/CASSANDRA-678
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.9
>
> Attachments: 0001-basic-caching.txt,
> 0002-clean-up-onstart-to-fix-cache-size-calculation.txt,
> 0003-instrumentation.txt,
> 0004-make-rowcache-keycache-configurable-per-CF.txt,
> 0005-combine-SSTable-keycaches-into-one-at-CFS-level.-do-no.txt,
> 0005-update-cached-rows-in-place-instead-of-invalidating-.patch
>
>
> We have a key cache but that doesn't help mitigate the expensive
> deserialization of the actual data to return.
> Adding a row-level cache should be fairly simple using a
> ConcurrentLinkedHashMap<String [key], ColumnFamily> structure. (We will only
> cache whole rows at a time, since already know how to query on those
> in-memory. This limits us to CFs full of narrow rows but that is a common
> enough use case to be worth tackling if it can be done simply enough.)
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