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From "Pavel Yaskevich (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3143) Global caches (key/row)
Date Thu, 15 Dec 2011 19:10:31 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13170418#comment-13170418
] 

Pavel Yaskevich commented on CASSANDRA-3143:
--------------------------------------------

I'm not a fan of that because we would need to drag read keys through all of the CFS and SSTableReaders
:(
                
> Global caches (key/row)
> -----------------------
>
>                 Key: CASSANDRA-3143
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3143
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Pavel Yaskevich
>            Assignee: Pavel Yaskevich
>            Priority: Minor
>              Labels: Core
>             Fix For: 1.1
>
>         Attachments: 0001-global-key-cache.patch, 0002-global-row-cache-and-ASC.readSaved-changed-to-abstra.patch,
0003-CacheServiceMBean-and-correct-key-cache-loading.patch, 0004-key-row-cache-tests-and-tweaks.patch,
0005-cleanup-of-the-CFMetaData-and-thrift-avro-CfDef-and-.patch, 0006-row-key-cache-improvements-according-to-Sylvain-s-co.patch,
0007-second-round-of-changes-according-to-Sylvain-comment.patch
>
>
> Caches are difficult to configure well as ColumnFamilies are added, similar to how memtables
were difficult pre-CASSANDRA-2006.

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