At Mon, 28 Sep 2009 18:07:03 -0500,
Michael Greene <[email protected]> wrote:
>
> Which partitioner are you using?
org.apache.cassandra.dht.RandomPartitioner
> What are the tokens for the nodes or what does bin/nodeprobe ring
> output?
Starting Token Ending Token
Size Address Ring
155352990208345788173011248201827004586
20283731607556365006538603533864462732 2 67.218.100.94 |<--|
20283731607556365006538603533864462732
21836380263552532517023620922568993549 2 67.218.100.93 | ^
21836380263552532517023620922568993549
27825817942936339100357854565774016889 2 67.218.100.92 v |
27825817942936339100357854565774016889
56705206375993081178630024509360001548 2 67.218.100.116 | ^
56705206375993081178630024509360001548
154786577292345968165033245777473466277 2 67.218.100.115 v |
154786577292345968165033245777473466277
155352990208345788173011248201827004586 2 67.218.100.117 |-->|
> Are you setting the initial token or allowing Cassandra to
> choose one?
No, initialtoken is empty and Cassandra chose itinital toke.
> What do your keys look like? Are they well-distributed?
>
So. I try to insert as key md5(X) where X is sequences 1..100000 and
all key seting on 67.218.100.116 and 67.218.100.115.
> Michael
>
> On Mon, Sep 28, 2009 at 5:34 PM, Kirill A. Korinskiy
> <[email protected]> wrote:
> > At Mon, 28 Sep 2009 17:27:35 -0500,
> > Michael Greene <[email protected]> wrote:
> >>
> >> This is a new thread continued from the Facebook-usage thread.
> >>
> >
> > sure
> >
> >> Cassandra automatically shards your data based on the Partitioner you
> >> have setup in storage-conf.xml. The copies are controlled by the
> >> ReplicationFactor setting in the same configuration file. If all your
> >> nodes are in the same data center, then the default
> >> ReplicaPlacementStrategy of RackUnawareStrategy should be fine.
> >>
> >
> > ok. But on my test all my data go to two nodes.
> >
> > --
> > wbr, Kirill
> >
--
wbr, Kirill
