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https://issues.apache.org/jira/browse/CASSANDRA-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12726517#action_12726517
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Jun Rao commented on CASSANDRA-259:
-----------------------------------
Fine. Another comment. KeyCachedFraction doesn't give an upper bound on memory
consumption. Is it possible to change it to an absolute number (maybe per CF)
in terms of MB?
> LRU cache for key positions
> ---------------------------
>
> Key: CASSANDRA-259
> URL: https://issues.apache.org/jira/browse/CASSANDRA-259
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Attachments:
> 0001-CASSANDRA-259-encapsulate-bloom-filter-access-into-sst.txt,
> 0002-add-concurrentlinkedhashmap-cache-and-config-option.txt,
> 0003-refactor-sstable-into-SSTable-SSTableReader-and-SSTa.txt,
> 0004-per-table-cache-size.txt
>
>
> add cache like the old touch cache, but working :)
> this will mitigate the performance hit from CASSANDRA-223
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