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https://issues.apache.org/jira/browse/CASSANDRA-6409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833316#comment-13833316
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Quentin Conner commented on CASSANDRA-6409:
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sub ticket for the cpu peg at startup symptom.
> gossip performance improvement at node startup
> ----------------------------------------------
>
> Key: CASSANDRA-6409
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6409
> Project: Cassandra
> Issue Type: Bug
> Reporter: Quentin Conner
>
> With large clusters (> 500 nodes) and num_tokens > 255 we sometimes see a
> node have trouble starting up. CPU usage for one thread is pegged.
> We see this concurrent with Gossip flaps on the node trying to learn the ring
> topology. Other nodes on the ring, that are already at steady state do not
> seem to suffer. It is the node joining the large ring that has trouble.
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