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Posted to commits@cassandra.apache.org by "Alexey Zotov (JIRA)" <ji...@apache.org> on 2012/09/20 21:02:07 UTC
[jira] [Updated] (CASSANDRA-4694) populate_io_cache_on_flush option
should be configurable for each column family independently
[ https://issues.apache.org/jira/browse/CASSANDRA-4694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Zotov updated CASSANDRA-4694:
------------------------------------
Fix Version/s: (was: 1.1.6)
> populate_io_cache_on_flush option should be configurable for each column family independently
> ---------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-4694
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4694
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.1.5
> Reporter: Alexey Zotov
> Priority: Critical
> Labels: cli, core, documentation
> Attachments: cassandra-1.1-4694-populate_io_cache.txt
>
>
> I suggest to configure populate_io_cache_on_flush option for each column family. It should be configurable from cassandra-cli and should be stored in System keyspace.
> That could be useful if you have a few column families inside single keyspace and you need to fit in memory only one of them.
> Patch has been attached. I've been testing it on pseudo-cluster using ccm. So I don't have fully confidence about lack of bugs. Please carefully review that code.
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