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https://issues.apache.org/jira/browse/CASSANDRA-3143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13162180#comment-13162180
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Pavel Yaskevich commented on CASSANDRA-3143:
--------------------------------------------
And I forgot to mention that:
- We probably need to have a story as far as upgrading to this patch is
concerned (cleaning old saved caches, migrating to the new global options,
...). It's probably fine just leaving instructions in the NEWS file as a start,
but I'd rather do it with the patch to avoid forgetting.
Information was added to NEWS.txt
- I think it'd be better to size the key cache by it's size in bytes rather
than by number of entries, like for the row cache, since 'size alloted to the
cache' is really the only measure that make sense for a user.
cassandra.yaml option changed to key_cache_size_in_mb
> 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
>
>
> Caches are difficult to configure well as ColumnFamilies are added, similar
> to how memtables were difficult pre-CASSANDRA-2006.
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