I too have seen this kind of cpu load from sequoia (with mysql running at about
80%)
> Date: Wed, 30 Jul 2008 12:37:58 -0400> From: [EMAIL PROTECTED]> To:
> [email protected]> Subject: Re: [Sequoia] Sequoia process
> CPU too big in Load Tests> CC: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL
> PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]> > Hi
> Toni,> > It would be interesting to know where Sequoia actually spends its
> time. > Could you turn the CPU profiling in the JVM to get an idea of what is
> > going on?> Also what does your configuration look like?> > Thanks for the
> feedback,> Emmanuel> > > > We are doing some load test of on product using
> JBOSS, Sequoia and > > MySQL, and in our test we have notice that sequoia get
> a very big, > > big, big quantity of CPU...> > > > Look top in machine where
> the service is processes ( nearly 150%cpu ), > > we are talking about servers
> with 2 CPUS :> > > >> > top - 14:36:31 up 25 days, 22:28, 2 users, load
> average: 6.87, 6.53, > > 3.66> > Tasks: 104 total, 1 running, 103 sleeping, 0
> stopped, 0 zombie> > Cpu(s): 59.0% us, 8.1% sy, 0.0% ni, 29.6% id, 0.7% wa,
> 0.3% hi, > > 2.3% si> > Mem: 8164704k total, 5899548k used, 2265156k free,
> 387168k buffers> > Swap: 8385920k total, 0k used, 8385920k free, 3190788k
> cached> >> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ > > COMMAND > >
> 26562 sequoia 17 0 2010m 366m 14m S 150 4.6 16:28.59 > > java > > 5809 jboss
> 25 0 2049m 1.1g 73m S 89 14.7 11:55.62 > > java > > 21342 mysql 16 0 544m
> 371m 4872 S 37 4.7 43:01.14 > > mysqld > >> > And this in the BE which is not
> processing any traffic :> >> > top - 14:42:00 up 25 days, 22:33, 2 users,
> load average: 3.99, 4.57, > > 3.67> > Tasks: 104 total, 1 running, 103
> sleeping, 0 stopped, 0 zombie> > Cpu(s): 36.8% us, 5.2% sy, 0.0% ni, 54.9%
> id, 0.4% wa, 0.3% hi, > > 2.3% si> > Mem: 8164704k total, 5968124k used,
> 2196580k free, 387396k buffers> > Swap: 8385920k total, 0k used, 8385920k
> free, 3262028k cached> >> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ > >
> COMMAND > > 26562 sequoia 17 0 1966m 365m 14m S 141 4.6 22:42.70 > > java > >
> 21342 mysql 16 0 545m 371m 4872 S 35 4.7 44:32.83 mysqld > >>
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