On 27/01/2012 21:35, bxqdev wrote: > > > On 1/28/2012 1:16 AM, Pid wrote: >> On 27/01/2012 21:06, bxqdev wrote: >>> >>> >>> On 1/27/2012 8:27 PM, Pid wrote: >>>> On 27/01/2012 14:53, bxqdev wrote: >>>>> Hello, Developers! >>>>> >>>>> 1. What are the premises to use either >>>>> apache.coyote.http11.Http11NioProtocol or >>>>> org.apache.coyote.http11.Http11NioProtocol connectors? >>>> >>>> Eh? Is that what you really mean? >>> >>> i mean what are the reasons to use either connector variant. >> >> NIO can handle more concurrent connections. > > yeah, that's why i use the nio connector. > >> >>>>> 2. Do i get any advantages if i use Sync Servlet Api with >>>>> Http11NioProtocol connector or do i have to use Async Servlet Api >>>>> to get >>>>> the advantages? >>>> >>>> What advantages are you looking for? How much traffic are you >>>> expecting >>>> to handle? >>> >>> a lot of. i'm looking for advantages in throughput and performance, for >>> example. >> >> How much is a lot? > > 10'000/sec > >> How many Tomcats are you running? > > 1 > >> How much RAM/CPU per server etc? > > 8GB/Xeon
Only 1 CPU? >> How big is the average response? > > 300Kb So you want to send 300k * 10000 / sec? Isn't that just under 3Gb per second? >>>>> 3. How do i choose which one to use in any particular case? >>>> >>>> First, don't prematurely optimise. Have you tested your application >>>> yet? >>> >>> yes, i need a better throughput and performance. >> >> Please provide details. >> >> How have you optimised your application so far, or are you hoping to >> optimise Tomcat first? > > webapp is optimized, i want to optimize tomcat. How did you optimise your webapp for 3Gb/sec with only 8Gb of RAM? In 3 seconds you'll have produced more data than you have RAM, how have you optimised the garbage collector for this? p -- [key:62590808]
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