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https://issues.apache.org/jira/browse/CASSANDRA-10371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15555961#comment-15555961
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Brandon Williams commented on CASSANDRA-10371:
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bq. Double checked gossip info (ccm node1 nodetool gossipinfo) and still see
node3 info.
That is normal, for 72 hours. You should open a new ticket for any further
issues.
> Decommissioned nodes can remain in gossip
> -----------------------------------------
>
> Key: CASSANDRA-10371
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10371
> Project: Cassandra
> Issue Type: Bug
> Components: Distributed Metadata
> Reporter: Brandon Williams
> Assignee: Joel Knighton
> Priority: Minor
> Fix For: 2.1.14, 2.2.6, 3.0.4, 3.4
>
>
> This may apply to other dead states as well. Dead states should be expired
> after 3 days. In the case of decom we attach a timestamp to let the other
> nodes know when it should be expired. It has been observed that sometimes a
> subset of nodes in the cluster never expire the state, and through heap
> analysis of these nodes it is revealed that the epstate.isAlive check returns
> true when it should return false, which would allow the state to be evicted.
> This may have been affected by CASSANDRA-8336.
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