[Ace-users] [tao-users] scalability/thread pool performance (500+ clients)
Douglas C. Schmidt
schmidt at dre.vanderbilt.edu
Sat Mar 1 08:13:52 CST 2008
>Yes, i saw it. And have tried most of them (MT server with thread
>pool, ST server, ST server with select_st) and various factory options
>- nope. It doesn't scale anywhere. 150-200 connections - and no more
>:( No difference between ST and MT models - moreover, ST doesn't load
>the CPU at all (0-1%), while MT with thread pool brings load up to
>50-60%. With no dispatch performance gain.
>About thread-per-connection... I think, thread-per-connection option
>is not a case - 500+ threads is a very big price for scalability.
It's worth a shot to see how well it performs.
Dr. Douglas C. Schmidt Professor and Associate Chair
Electrical Engineering and Computer Science TEL: (615) 343-8197
Vanderbilt University WEB: www.dre.vanderbilt.edu/~schmidt
Nashville, TN 37203 NET: d.schmidt at vanderbilt.edu
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