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From Robert Coli <rc...@eventbrite.com>
Subject Re: Cluster imbalance caused due to #Num_Tokens
Date Wed, 22 Apr 2015 19:09:12 GMT
On Tue, Apr 21, 2015 at 10:14 PM, Tiwari, Tarun <Tarun.Tiwari@kronos.com>
wrote:

>  I read that there was nodetool balance kind of command in Cassandra 0.7
> but not anymore.
>

It never worked, really.


>  UN  Node3  23.72 MB   1       0.4%
> 41a71df-7e6c-40ab-902f-237697eaaf3e  rack1
>
> UN  Node2  79.35 MB   1       0.5%   98c493b-f661-491e-9d1f-1803f859528b
> rack1
>
> UN  Node1  86.93 MB   256     99.1%  a35ccca-556c-4f77-aa6d-7e3dad41ecf8
> rack1
>
>
>
> Is there something that we can do now balance the cluster?
>

Just run removenode on the two nodes with almost no data, one at a time.

Then add them back with vnodes enabled, one at a time.

As an aside, if the size of this cluster will never be greater than 9 or so
nodes, you Mostly Lose by using vnodes.

=Rob

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