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From Rameez Thonnakkal <ssram...@gmail.com>
Subject ownership not equally distributed
Date Fri, 16 May 2014 19:36:46 GMT
Hello

I am having a 4 node cluster where 2 nodes are in one data center and
another 2 in a different one.

But in the first data center the token ownership is not equally
distributed. I am using vnode feature.

num_tokens is set to 256 in all nodes.
initial_number is left blank.

Datacenter: DC1
================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
--  Address        Load       Tokens  Owns   Host
ID                               Rack
UN  10.145.84.167  84.58 MB   256    * 0.4% *
ce5ddceb-b1d4-47ac-8d85-249aa7c5e971  RAC1
UN  10.145.84.166  692.69 MB  255     44.2%
e6b5a0fd-20b7-4bf9-9a8e-715cfc823be6  RAC1
Datacenter: DC2
================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
--  Address        Load       Tokens  Owns   Host
ID                               Rack
UN  10.168.67.43   476 MB     256     27.8%
05dc7ea6-0328-43b8-8b70-bcea856ba41e  RAC1
UN  10.168.67.42   413.15 MB  256     27.7%
677025f0-780c-45dc-bb3b-17ad260fba7d  RAC1


done nodetool repair couple of times, but it didn't help.

In the node where less ownership there, I have seen a frequent full GC
occurring couple of times and had to restart cassandra.


Any suggestions on how to resolve this is highly appreciated.

Regards,
Rameez

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