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Anubhav Kale commented on CASSANDRA-10907:
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For point in time backups, its always somewhat unpredictable what data is
backed up especially with replication on. The concern here is the unnecessary
time and resources spent in a blocking flush when its not really required.
I have provided a patch. Its possible to provide overrides at other places, I
took a stab at providing those on KS and CF and did the wiring. If you prefer
some other approach, let me know.
> Nodetool snapshot should provide an option to skip flushing
> -----------------------------------------------------------
>
> Key: CASSANDRA-10907
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10907
> Project: Cassandra
> Issue Type: Improvement
> Components: Configuration
> Environment: PROD
> Reporter: Anubhav Kale
> Priority: Minor
> Labels: lhf
>
> For some practical scenarios, it doesn't matter if the data is flushed to
> disk before taking a snapshot. However, it's better to save some flushing
> time to make snapshot process quick.
> As such, it will be a good idea to provide this option to snapshot command.
> The wiring from nodetool to MBean to VerbHandler should be easy.
> I can provide a patch if this makes sense.
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