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https://issues.apache.org/jira/browse/CASSANDRA-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward Capriolo updated CASSANDRA-1776:
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Attachment: logs
> Untrapped exceptions in ThreadPool have a variety of ill effects
> ----------------------------------------------------------------
>
> Key: CASSANDRA-1776
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1776
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.6.5
> Reporter: Edward Capriolo
> Attachments: logs
>
>
> I have seen a variety of conditions that keep the Cassandra process running
> even though it mostly failed. At times the node stays up sending gossip
> messages so other nodes think the node is up. In the worst case condition a
> node gets in a tight loop fully utilizing 16 cores of a system and sending
> gossip messages that cause cascading issues across the cluster.
> I have seen untrapped OOM errors. The interesting part of the attached log
> is that we are not using super columns. I also have machines that come up out
> of a 40 second garbage collect, (I assume they gossip themselves as UP)
> messages then go back into a garbage collect to repeat again.
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