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