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https://issues.apache.org/jira/browse/CASSANDRA-18524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedict Elliott Smith updated CASSANDRA-18524:
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Resolution: Fixed
Status: Resolved (was: Triage Needed)
> CEP-15: (Accord) Separate durable and transient listeners
> ---------------------------------------------------------
>
> Key: CASSANDRA-18524
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18524
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Benedict Elliott Smith
> Priority: Normal
>
> Transient listeners should be handled differently and, ironically, should be
> more "persistent" in that they should not disappear when we evict state from
> cache. This patch separates listeners into `DurableAndIdempotent` and
> `Transient` with the latter being saved in a shared global register that also
> more easily permits us to ensure we do not invoke listeners redundantly (and
> for listeners themselves to know if we have done so). This is also a stepping
> stone to ensuring listeners survive cache eviction.
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