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Posted to commits@cassandra.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2011/07/26 21:20:13 UTC

[jira] [Commented] (CASSANDRA-2082) Saved row cache continues to be read past max cache size

    [ https://issues.apache.org/jira/browse/CASSANDRA-2082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071297#comment-13071297 ] 

Hudson commented on CASSANDRA-2082:
-----------------------------------

Integrated in Cassandra #975 (See [https://builds.apache.org/job/Cassandra/975/])
    stop reading cache after max size-to-save is reached
patch by Chris Burroughs; reviewed by jbellis for CASSANDRA-2082

jbellis : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1151211
Files : 
* /cassandra/trunk/test/unit/org/apache/cassandra/db/RowCacheTest.java
* /cassandra/trunk/src/java/org/apache/cassandra/db/ColumnFamilyStore.java


> Saved row cache continues to be read past max cache size
> --------------------------------------------------------
>
>                 Key: CASSANDRA-2082
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2082
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.6.11
>            Reporter: Chris Burroughs
>            Assignee: Chris Burroughs
>            Priority: Minor
>             Fix For: 1.0
>
>         Attachments: 0001-v1-Only-load-up-to-capacity-items-into-the-cache.patch, 0002-v1-unit-test-for-CASSANDRA-2082.patch
>
>
> Scenario:
>  - Node has a saved row cache of size n
>  - node OOMs
>  - Make row cache size = .5n to prevent OOM while we debug, restart node.
>  - n items are still read from the row cache, making startup take twice as long as needed.
> (This is intended as a straightforward bug, not as a hackish CASSANDRA-1966.)

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