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https://issues.apache.org/jira/browse/CASSANDRA-1966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Burroughs reopened CASSANDRA-1966:
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http://code.google.com/p/concurrentlinkedhashmap/issues/detail?id=21
has been completed so this is now feasible. I presume Cassandra would still
wait for the 1.2 release of CLHM.
> Option to control how many items are read on cache load
> -------------------------------------------------------
>
> Key: CASSANDRA-1966
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1966
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Chris Burroughs
>
> CASSANDRA-1417 added an option to save the key and/or row cache keys which is
> cool. However, for a row large cache it can take a long time to read all of
> the rows. For example I have a 400,000 item row cache, and loading that on
> restart takes a little under an hour.
> In addition to configuring the size of the row cache, and how often it should
> be saved to disk, I propose an option to control how many items are loaded on
> startup (or alternately only saving n items out of the full row cache to
> begin with).
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