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https://issues.apache.org/jira/browse/CASSANDRA-21035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Tunnicliffe updated CASSANDRA-21035:
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Since Version: NA
Source Control Link:
https://github.com/apache/cassandra/commit/ad3f0e8f412707f3ace2ae3c41b43aadb853cb82
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
> Nodes with LEFT state do not get expired from gossip
> ----------------------------------------------------
>
> Key: CASSANDRA-21035
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21035
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Cluster/Gossip
> Reporter: Sam Tunnicliffe
> Assignee: Sam Tunnicliffe
> Priority: Normal
> Fix For: 6.x
>
> Attachments: ci_summary.html, result_details.tar.gz
>
>
> When a node is removed from the cluster via
> decommission/removenode/assassinate it is transitioned to a LEFT status in
> gossip. For historical reasons, this state is intended to persist in gossip
> for some period (default is 72hrs) before being expunged. Since CEP-21,
> gossip status is no longer used for anything significant by C* itself, but
> this behaviour was preserved in case any tooling was relying on it. However,
> there is a bug in that the purging from gossip after 72 hrs is not occurring
> correctly. From the perspective of C* itself this is harmless, but it will
> eventually lead to gossip state being oversized.
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