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From "Jonathan Ellis (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-3321) Node joins/Node moves should build caches
Date Thu, 13 Oct 2011 22:30:12 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-3321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-3321.
---------------------------------------

    Resolution: Duplicate

duplicate of CASSANDRA-2443
                
> Node joins/Node moves should build caches 
> ------------------------------------------
>
>                 Key: CASSANDRA-3321
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3321
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Edward Capriolo
>            Priority: Minor
>
> Cassandra use case: high rate of low latency reads served mostly from caches. When a
new node is joined data is streamed to it. However it is born into a 'cold world'. It does
not have the benefit of saved caches. Clients with auto-discovery will find it and start sending
requests it's way. If the request rate is high enough and clients are aggressive enough the
Cassandra node could run out of sockets. This feature would build 'best effort' caches possibly
by sampling entries from the caches of nodes the data was streamed from. With this even a
newly joined node should have cache warming.

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