Stefan Podkowinski updated CASSANDRA-13460:
    Status: In Progress  (was: Patch Available)

> Diag. Events: Add local persistency
> -----------------------------------
>                 Key: CASSANDRA-13460
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13460
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Observability
>            Reporter: Stefan Podkowinski
>            Assignee: Stefan Podkowinski
>            Priority: Major
> Some generated events will be rather less frequent but very useful for 
> retroactive troubleshooting. E.g. all events related to bootstraping and 
> gossip would probably be worth saving, as they might provide valuable 
> insights and will consume very little resources in low quantities. Imaging if 
> we could e.g. in case of CASSANDRA-13348 just ask the user to -run a tool 
> like {{./bin/diagdump BootstrapEvent}} on each host, to get us a detailed log 
> of all relevant events-  provide a dump of all events as described in the 
> [documentation|https://github.com/spodkowinski/cassandra/blob/WIP-13460/doc/source/operating/diag_events.rst].
> This could be done by saving events white-listed in cassandra.yaml to a local 
> table. Maybe using a TTL.

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