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From "Anubhav Kale (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-10907) Nodetool snapshot should provide an option to skip flushing
Date Wed, 23 Dec 2015 19:43:46 GMT


Anubhav Kale commented on CASSANDRA-10907:

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:
>             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
> 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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