On 27 Jan 2012, at 11:20, Sanne Grinovero wrote: > On 27 January 2012 11:07, Mircea Markus <[email protected]> wrote: >> >> On 26 Jan 2012, at 23:04, Sanne Grinovero wrote: >> >>> Very nice! >>> All my previous tests also confirm that there is a correlation between PUT >>> and GET performance, when one increases the other goes down. >>> >>> These PUT operations are doing a GET as well, correct? I'd love to see such >>> graphs using SKIP_REMOTE_LOOKUP. >> it is configured with unsafe return values. With safe return, the values >> might get even better... >>> How long are you warming up the VM? As mentioned in the other thread, I've >>> discovered that even under high load it will take more than 15 minutes >>> before all of Infinispan's code is running in compiled mode. >> The warmup is 100k operations, doesn't seem too much. > > I'm now experimenting with -XX:CompileThreshold=10 , and it's fairly > warmed up only after 100k Write operations and a million read > operations. And that's all in the same VM!
> Maybe you could try RadarGun making sure that each VM runs at least a > million operations in the warmup phase? Maybe it doesn't matter at > all, but I'd measure rather than guess it. > Also your test is different than mine; maybe a better strategy is to > figure out what's your correct warmup by looking at the output of > -XX:+PrintCompilation, and see how long it takes before it's > relatively quiet. Thanks for the tips, I'll improve the warmup based on your suggestion: https://sourceforge.net/apps/trac/radargun/ticket/26
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