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From aaron morton <>
Subject Re: how to monitor nodetool cleanup?
Date Thu, 09 May 2013 22:46:06 GMT
nodetool setcompactionthroughput controls the speed of compaction, and cleanup runs in the
compaction manager. 


Aaron Morton
Freelance Cassandra Consultant
New Zealand


On 8/05/2013, at 8:59 AM, Michael Morris <> wrote:

> Not sure about making things go faster, but you should be able to monitor it with nodetool
> Thanks,
> Mike
> On Tue, May 7, 2013 at 12:43 PM, Brian Tarbox <> wrote:
> I'm recovering from a significant failure and so am doing lots of nodetool move, removetoken,
repair and cleanup.
> For most of these I can do "nodetool netstats" to monitor progress but it doesn't show
anything for can I monitor the progress of cleanup?  On a related note: I'm
able to stop all client access to the cluster until things are happy there anything
I can do to make move/repair/cleanup go faster?
> FWIW my problems came from trying to move nodes between EC2 availability zones...which
led to
> 1) killing a node and recreating it in another availability zone
> 2) new node had different local ip address so cluster thought old node was just down
and we had a new node...
> I did the removetoken on the dead node and gave the new node oldToken-1...but things
still got weird and I ended up spending a couple of days cleaning up (which seems odd for
only about 300 gig total data).
> Anyway, any suggestions for monitoring / speeding up cleanup would be appreciated.
> Brian Tarbox

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