2012/6/22 Huang Zhiteng <[email protected]> > On Fri, Jun 22, 2012 at 12:28 AM, Kuo Hugo <[email protected]> wrote: > > Hi Folks , > > > > I'm in progress of swift QA. > > > > Also interesting about the number of PUT/GET operation in your > swift-bench > > configuration. > > > > Well , I thought that swift should handle as much as I set in bench.conf. > > > > However , the performance degradation came after 40000+ > > > > Does my configuration reasonable in your mind ? > > > > [bench] > > auth = http://%swift_ip%:8082/auth/v1.0 > > user = admin:admin > > key = admin > > concurrency = 100 > > object_size = 4 > > num_objects = 100000 > > num_gets = 100000 > > delete = yes > > > > > > The performance degradation of swift > > PUT result from 1200/s to 400/s > > GET result from 1800/s to 800/s (but failures around 400) > > DELETE result from 800/s to 300/s (lots of failures) > > > > 1. Does my configuration is reasonable in reality ? > You didn't give us the configuration of you Swift. :) > Hi winston 4 servers with 32GB-ram/i5 - 4cores on each server. 1GB NICs
> > > > 2. I saw that most of failures is been log as "object-server failled to > > connect to %storage_ip%:%port&/%device% ... connection timeout(0.5)" > > What's the reason cause the kind of timeout? Also the loading is very > > low at this period and almost 0 request send to storage-nodes. > > > > 3. Another odd behavior , swift proxy does not consistent send requests > to > > storage-nodes . In my 100000 PUT period. The storage-node's loading is > > not balanced . > > It might in 70% loading and 10% in next second. Seems is a > periodically > > behavior. > > I'm really confusing about this issue. > One generic suggestion is you may try turning auditor/replicator > service and re-do your test to see if it performs any better. > Only main workers are ruuning during the test. Main Workers means swift-object-server / swift-container-server / swift-object-server > > > > > Thanks > > > > -- > > +Hugo Kuo+ > > [email protected] > > +886 935004793 > > > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~openstack > > Post to : [email protected] > > Unsubscribe : https://launchpad.net/~openstack > > More help : https://help.launchpad.net/ListHelp > > > > > > -- > Regards > Huang Zhiteng > -- +Hugo Kuo+ [email protected] + <[email protected]>886 935004793
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