3 sorry forgot this important info On Oct 19, 2011 11:31 AM, "Jérémy SEVELLEC" <[email protected]> wrote:
> Hi, what is your replication_factor? > > 2011/10/19 Yang <[email protected]> > >> I'm using a cassandra version compiled from 1.0.0 github HEAD. >> >> I have 3 nodes, A B and C, on node A I run a client, which talks only >> to B as the coordinator. >> >> the performance is pretty good, a QUORUM read+write takes < 10ms. >> >> but then I shutdown C, quickly the performance starts to degrade, and >> QUORUM read+write time steadily increase to about 300ms. >> >> if I shutdown A and keep C, I observe the same effect. >> >> >> I understand that "2 out of 3" is going to give you faster response >> than "2 out of 2", but the difference should not be that dramatic as >> 10ms vs 300ms. >> >> any possible reasons for this?(or how to debug this?) >> >> Thanks >> Yang >> > > > > -- > Jérémy >
