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https://issues.apache.org/jira/browse/CASSANDRA-10371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14804766#comment-14804766
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Brandon Williams commented on CASSANDRA-10371:
----------------------------------------------
Specifically this check in Gossiper.doStatusCheck is where isAlive is true:
{noformat}
// check for dead state removal
long expireTime = getExpireTimeForEndpoint(endpoint);
if (!epState.isAlive() && (now > expireTime)
&&
(!StorageService.instance.getTokenMetadata().isMember(endpoint)))
{noformat}
> Decommissioned nodes can remain in gossip
> -----------------------------------------
>
> Key: CASSANDRA-10371
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10371
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Brandon Williams
> Priority: Minor
>
> 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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