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https://issues.apache.org/jira/browse/CASSANDRA-13745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ihar Kukharchuk updated CASSANDRA-13745:
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Comment: was deleted
(was: Hi,
sorry for bothering, but do I need extra permissions to assign the issue to me
[I have no access to assign button for now]?
I've already submitted a kind of patch, but still have several questions
because I'm new here and may miss the spirit of C* development:
1. Do C* really need such functionality? [the question exists because provided
solution changes the schema of system.compaction_history table and there are
several cases, when it is not appropriate to do such things]
2. I assume, that "compaction_started_at" may be not a really good name, so
should I think about more conscious one? Or, maybe someone has the proper name
for that column on the fly.
3. Current solution shows "unix start time" instead of compaction start time if
it is not present [via nodetool compactionhistory] - are you ok with such
approach? Or is it better to output a kind of special symbol, for example - "-"?
4. As far as I investigated, C* performs "force" update for system tables and I
should not think about any special upgrade utility for now providing such
patch, am I right?
Thank you!)
> Compaction History would be beneficial to include completion timestamp
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-13745
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13745
> Project: Cassandra
> Issue Type: Improvement
> Components: Compaction, Core
> Reporter: Richard Andersen
> Priority: Minor
> Labels: lhf
> Attachments: 13745-trunk.txt
>
>
> Compaction history does not currently contain the completion time stamp which
> can be beneficial in determining performance and event tracing. I would like
> to use this information also in our Health Check process to trace event
> timelines.
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