Re: Soliciting thoughts on possible read optimization

2010-08-11 Thread Jonathan Ellis
https://issues.apache.org/jira/browse/CASSANDRA-1379 On Tue, Aug 10, 2010 at 8:43 PM, Arya Asemanfar wrote: > I mentioned this today to a couple folks at Cassandra Summit, and thought > I'd solicit some more thoughts here. > Currently, the read stage includes checking row cache. So if your concur

Re: Soliciting thoughts on possible read optimization

2010-08-11 Thread Edward Capriolo
On Wed, Aug 11, 2010 at 11:37 AM, Ryan King wrote: > On Tue, Aug 10, 2010 at 8:43 PM, Arya Asemanfar > wrote: >> I mentioned this today to a couple folks at Cassandra Summit, and thought >> I'd solicit some more thoughts here. >> Currently, the read stage includes checking row cache. So if your

Re: Soliciting thoughts on possible read optimization

2010-08-11 Thread Ryan King
On Tue, Aug 10, 2010 at 8:43 PM, Arya Asemanfar wrote: > I mentioned this today to a couple folks at Cassandra Summit, and thought > I'd solicit some more thoughts here. > Currently, the read stage includes checking row cache. So if your concurrent > reads is N and you have N reads reading from di

Soliciting thoughts on possible read optimization

2010-08-10 Thread Arya Asemanfar
I mentioned this today to a couple folks at Cassandra Summit, and thought I'd solicit some more thoughts here. Currently, the read stage includes checking row cache. So if your concurrent reads is N and you have N reads reading from disk, the next read will block until a disk read finishes, even i