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From Ran Tavory <ran...@gmail.com>
Subject Re: nodetool cleanup isn't cleaning up?
Date Mon, 31 May 2010 19:34:49 GMT
yes, replication factor = 2

On Mon, May 31, 2010 at 10:07 PM, Jonathan Ellis <jbellis@gmail.com> wrote:

> you have replication factor > 1 ?
>
> On Mon, May 31, 2010 at 7:23 AM, Ran Tavory <rantav@gmail.com> wrote:
> > I hope I understand nodetool cleanup correctly - it should clean up all
> data
> > that does not (currently) belong to this node. If so, I think it might
> not
> > be working correctly.
> > Look at nodes 192.168.252.124 and 192.168.252.99 below
> > 192.168.252.99Up         279.35 MB
> 3544607988759775661076818827414252202
> >      |<--|
> > 192.168.252.124Up         167.23 MB
> > 56713727820156410577229101238628035242     |   ^
> > 192.168.252.125Up         82.91 MB
> >  85070591730234615865843651857942052863     v   |
> > 192.168.254.57Up         366.6 MB
> >  113427455640312821154458202477256070485    |   ^
> > 192.168.254.58Up         88.44 MB
> >  141784319550391026443072753096570088106    v   |
> > 192.168.254.59Up         88.45 MB
> >  170141183460469231731687303715884105727    |-->|
> > I wanted 124 to take all the load from 99. So I issued a move command.
> > $ nodetool -h cass99 -p 9004 move 56713727820156410577229101238628035243
> >
> > This command tells 99 to take the space b/w
> >
> (56713727820156410577229101238628035242, 56713727820156410577229101238628035243]
> > which is basically just one item in the token space, almost nothing... I
> > wanted it to be very slim (just playing around).
> > So, next I get this:
> > 192.168.252.124Up         803.33 MB
> > 56713727820156410577229101238628035242     |<--|
> > 192.168.252.99Up         352.85 MB
> > 56713727820156410577229101238628035243     |   ^
> > 192.168.252.125Up         134.24 MB
> > 85070591730234615865843651857942052863     v   |
> > 192.168.254.57Up         676.41 MB
> > 113427455640312821154458202477256070485    |   ^
> > 192.168.254.58Up         99.74 MB
> >  141784319550391026443072753096570088106    v   |
> > 192.168.254.59Up         99.94 MB
> >  170141183460469231731687303715884105727    |-->|
> > The tokens are correct, but it seems that 99 still has a lot of data.
> Why?
> > OK, that might be b/c it didn't delete its moved data.
> > So next I issued a nodetool cleanup, which should have taken care of
> that.
> > Only that it didn't, the node 99 still has 352 MB of data. Why?
> > So, you know what, I waited for 1h. Still no good, data wasn't cleaned
> up.
> > I restarted the server. Still, data wasn't cleaned up... I issued a
> cleanup
> > again... still no good... what's up with this node?
> >
> >
>
>
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of Riptano, the source for professional Cassandra support
> http://riptano.com
>

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