incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Yan Chunlu <springri...@gmail.com>
Subject Re: anyway to throttle nodetool repair?
Date Tue, 11 Oct 2011 03:19:08 GMT
so how about disk io?  is there anyway to use ionice to control it?

I have tried to adjust the priority by "ionice -c3 -p [cassandra pid].
 seems not working...

On Wed, Sep 28, 2011 at 12:02 AM, Peter Schuller <
peter.schuller@infidyne.com> wrote:

> > I saw the ticket about compaction throttling, just wonder is that
> necessary
> > to add an option or is there anyway to do repair throttling?
> > every time I run nodetool repair, it uses all disk io and the server load
> > goes up quickly, just wonder is there anyway to make it smoother.
>
> The validating compaction that is part of repair is subject to
> compaction throttling.
>
> The streaming of sstables afterwards is not however. In 1.0 there is
> thottling of streaming:
> https://issues.apache.org/jira/browse/CASSANDRA-3080
>
> --
> / Peter Schuller (@scode on twitter)
>

Mime
View raw message