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https://issues.apache.org/jira/browse/CASSANDRA-1966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13003436#comment-13003436
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Jonathan Ellis commented on CASSANDRA-1966:
-------------------------------------------

That would be best. We're trying not to depend on prerelease libraries since it 
makes life more difficult for downstream projects.

> 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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