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Posted to commits@cassandra.apache.org by "Yuki Morishita (JIRA)" <ji...@apache.org> on 2013/09/20 23:16:53 UTC

[jira] [Commented] (CASSANDRA-2443) Stream key/row caches during bootstrap

    [ https://issues.apache.org/jira/browse/CASSANDRA-2443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13773437#comment-13773437 ] 

Yuki Morishita commented on CASSANDRA-2443:
-------------------------------------------

We can't just stream key cache because file names and position change, though it may be possible to build Bloom Filter of cached keys and stream it before files, and the bootstrapping node can build it's own key cache as it receives SSTables.
                
> Stream key/row caches during bootstrap
> --------------------------------------
>
>                 Key: CASSANDRA-2443
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2443
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Chris Goffinet
>            Priority: Minor
>              Labels: ponies
>
> When adding new nodes to an existing cluster, if we streamed key and row caches over right before node came into cluster, we could minimize the impact of a cold node, and reduce the time for the node to get 'warmed' up.

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