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From Tamar Fraenkel <ta...@tok-media.com>
Subject Re: unbalanced ring
Date Tue, 27 Mar 2012 07:12:57 GMT
Thanks, I will wait and see as data accumulates.
Thanks,

*Tamar Fraenkel *
Senior Software Engineer, TOK Media

[image: Inline image 1]

tamar@tok-media.com
Tel:   +972 2 6409736
Mob:  +972 54 8356490
Fax:   +972 2 5612956





On Tue, Mar 27, 2012 at 9:00 AM, R. Verlangen <robin@us2.nl> wrote:

> Cassandra is built to store tons and tons of data. In my opinion roughly ~
> 6MB per node is not enough data to allow it to become a fully balanced
> cluster.
>
>
> 2012/3/27 Tamar Fraenkel <tamar@tok-media.com>
>
>> This morning I have
>>  nodetool ring -h localhost
>> Address         DC          Rack        Status State   Load
>>  Owns    Token
>>
>>      113427455640312821154458202477256070485
>> 10.34.158.33    us-east     1c          Up     Normal  5.78 MB
>> 33.33%  0
>> 10.38.175.131   us-east     1c          Up     Normal  7.23 MB
>> 33.33%  56713727820156410577229101238628035242
>>  10.116.83.10    us-east     1c          Up     Normal  5.02 MB
>> 33.33%  113427455640312821154458202477256070485
>>
>> Version is 1.0.8.
>>
>>
>>  *Tamar Fraenkel *
>> Senior Software Engineer, TOK Media
>>
>> [image: Inline image 1]
>>
>> tamar@tok-media.com
>> Tel:   +972 2 6409736
>> Mob:  +972 54 8356490
>> Fax:   +972 2 5612956
>>
>>
>>
>>
>>
>> On Tue, Mar 27, 2012 at 4:05 AM, Maki Watanabe <watanabe.maki@gmail.com>wrote:
>>
>>> What version are you using?
>>> Anyway try nodetool repair & compact.
>>>
>>> maki
>>>
>>>
>>> 2012/3/26 Tamar Fraenkel <tamar@tok-media.com>
>>>
>>>> Hi!
>>>> I created Amazon ring using datastax image and started filling the db.
>>>> The cluster seems un-balanced.
>>>>
>>>> nodetool ring returns:
>>>> Address         DC          Rack        Status State   Load
>>>>  Owns    Token
>>>>
>>>>        113427455640312821154458202477256070485
>>>> 10.34.158.33    us-east     1c          Up     Normal  514.29 KB
>>>> 33.33%  0
>>>> 10.38.175.131   us-east     1c          Up     Normal  1.5 MB
>>>>  33.33%  56713727820156410577229101238628035242
>>>> 10.116.83.10    us-east     1c          Up     Normal  1.5 MB
>>>>  33.33%  113427455640312821154458202477256070485
>>>>
>>>> [default@tok] describe;
>>>> Keyspace: tok:
>>>>   Replication Strategy: org.apache.cassandra.locator.SimpleStrategy
>>>>   Durable Writes: true
>>>>     Options: [replication_factor:2]
>>>>
>>>> [default@tok] describe cluster;
>>>> Cluster Information:
>>>>    Snitch: org.apache.cassandra.locator.Ec2Snitch
>>>>    Partitioner: org.apache.cassandra.dht.RandomPartitioner
>>>>    Schema versions:
>>>>         4687d620-7664-11e1-0000-1bcb936807ff: [10.38.175.131,
>>>> 10.34.158.33, 10.116.83.10]
>>>>
>>>>
>>>> Any idea what is the cause?
>>>> I am running similar code on local ring and it is balanced.
>>>>
>>>> How can I fix this?
>>>>
>>>> Thanks,
>>>>
>>>> *Tamar Fraenkel *
>>>> Senior Software Engineer, TOK Media
>>>>
>>>> [image: Inline image 1]
>>>>
>>>> tamar@tok-media.com
>>>> Tel:   +972 2 6409736
>>>> Mob:  +972 54 8356490
>>>> Fax:   +972 2 5612956
>>>>
>>>>
>>>>
>>>>
>>>
>>
>
>
> --
> With kind regards,
>
> Robin Verlangen
> www.robinverlangen.nl
>
>

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