[jira] Updated: (CASSANDRA-1966) Option to control how many items are read on cache load

["Chris Burroughs (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-1966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Burroughs updated CASSANDRA-1966:
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    Affects Version/s:     (was: 0.6.8)

> 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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