Re: distribution of token ranges with virtual nodes

2013-01-09 Thread Manu Zhang
sorry, I missed it since it's not executable by default. On Thu, Jan 10, 2013 at 10:05 AM, Jason Wee wrote: > It should be in the trunk, check it > https://github.com/apache/cassandra/blob/trunk/bin/cassandra-shuffle > > > On Thu, Jan 10, 2013 at 1:18 AM, Manu Zhang wrote: > >> Is cassandra-shu

Re: distribution of token ranges with virtual nodes

2013-01-09 Thread Jason Wee
It should be in the trunk, check it https://github.com/apache/cassandra/blob/trunk/bin/cassandra-shuffle On Thu, Jan 10, 2013 at 1:18 AM, Manu Zhang wrote: > Is cassandra-shuffle command in the trunk? Or it is only included in the > Debian package? I don't find it in the trunk. > > > On Sat, No

Re: distribution of token ranges with virtual nodes

2013-01-09 Thread Manu Zhang
Is cassandra-shuffle command in the trunk? Or it is only included in the Debian package? I don't find it in the trunk. On Sat, Nov 3, 2012 at 2:18 AM, Eric Evans wrote: > On Fri, Nov 2, 2012 at 12:38 AM, Manu Zhang > wrote: > >> It splits into a contiguous range, because truly upgrading to vno

Re: distribution of token ranges with virtual nodes

2012-11-02 Thread Eric Evans
On Fri, Nov 2, 2012 at 12:38 AM, Manu Zhang wrote: >> It splits into a contiguous range, because truly upgrading to vnode >> functionality is another step. > > That confuses me. As I understand it, there is no point in having 256 tokens > on same node if I don't commit the shuffle This isn't exac

Re: distribution of token ranges with virtual nodes

2012-11-01 Thread Manu Zhang
> > It splits into a contiguous range, because truly upgrading to vnode > functionality > is another step. That confuses me. As I understand it, there is no point in having 256 tokens on same node if I don't commit the shuffle On Fri, Nov 2, 2012 at 11:10 AM, Brandon Williams wrote: > On Thu,

Re: distribution of token ranges with virtual nodes

2012-11-01 Thread Brandon Williams
On Thu, Nov 1, 2012 at 10:05 PM, Manu Zhang wrote: > >> it will migrate you to virtual nodes by splitting the existing partition >> 256 ways. > > > Out of curiosity, is it for the purpose of avoiding streaming? It splits into a contiguous range, because truly upgrading to vnode functionality is a

Re: distribution of token ranges with virtual nodes

2012-11-01 Thread Manu Zhang
> it will migrate you to virtual nodes by splitting the existing partition > 256 ways. Out of curiosity, is it for the purpose of avoiding streaming? the former would require you to perform a shuffle to achieve that. Is there a nodetool option or are there other ways "shuffle" could be done a

Re: distribution of token ranges with virtual nodes

2012-10-31 Thread Eric Evans
On Wed, Oct 31, 2012 at 11:38 AM, John Sanda wrote: > Can/should i assume that i will get even range distribution or close to it > with random > token selection? The short answer is: If you're using virtual nodes, random token selection will give you even range distribution. The somewhat longer

distribution of token ranges with virtual nodes

2012-10-31 Thread John Sanda
I am not entirely clear on what http://wiki.apache.org/cassandra/VirtualNodes/Balance#imbalance is saying with respect to random vs. manual token selection. Can/should i assume that i will get even range distribution or close to it with random token selection? For the sake of discussion, what is a