i wouldn't worry about 10ms vs 1ms as long as throughput is still good. are you on ec2? have you made sure you're not seeing a latency storm? https://www.cloudkick.com/blog/2010/jan/12/visual-ec2-latency/
are you on 0.5.0 or later? On Thu, Feb 18, 2010 at 10:36 AM, Richard Grossman <richie...@gmail.com> wrote: > Hi, > > What the impact on performance to have multiple node ?? > > The test we run here with multiple node seems a VERY bad performance > comparing to the same amount of data located on 1 single node. > Could you confirm or infirm such statement ? > > I mean if the same operation (write or read) take 5-10 times more time when > multiple node than single node where is the problem (communication between > computer) ??. I've read a lot about tuning of memory, disk, io, top, htop > but nothing about networking operation between node. Is there any way to > check what going on regarding node intercommunication ?? > > In my case all the queries made doesn't use 3% of the CPU nor the read > operation a lot on the disk. > Important I'm not talking about heavy load but on single query. > > Thanks >
