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From "Sylvain Lebresne (Commented) (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-3143) Global caches (key/row)
Date Tue, 20 Dec 2011 17:52:30 GMT


Sylvain Lebresne commented on CASSANDRA-3143:

bq. I was thinking about that - it would require to keep all of the files open, do we want

Is that a big deal? I suppose if you have 1000 CFs it's starting to be a big number of fds
open, but even then it doesn't sound like such a big deal, especially given it's for a very
short time. Or did you had other concerns in mind?
> Global caches (key/row)
> -----------------------
>                 Key: CASSANDRA-3143
>                 URL:
>             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-caches-made-backward-compatible-second-round-of-chan.patch, 0008-row-key-cache-to-use-raw-key-instead-of-decorated.patch
> Caches are difficult to configure well as ColumnFamilies are added, similar to how memtables
were difficult pre-CASSANDRA-2006.

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