On 09.09.2009 19:44, keeplearning wrote:
>
> I have apache 2.2.3. Not sure how to find the tomcat version. We use
> mod_proxy_ajp connector. During the test, I see high CPU usage and load on
> both appservers. So, I don't think it's the issue of everything going to one
> appserver.
>
> With what
;>>> catalina.out: "SEVERE: All threads (250) are currently busy, waiting.
>>>> Increase maxThreads (250) or check the servlet status"
>>>>
>>>>
>
>
> --
At this point, no one on the list will have a clue since we don't know
1) apache version
2) tomcat version
3) type of connector used, mod_proxy_ajp, mod_jk, or mod_proxy_http
But if tomcat is saying All threads (250) are currently busy, waiting. -
that means it is only configured to handle 250 w
2009/9/9 keeplearning
> With what you said, shouldn't 2 tomcat servers handle 500 connections (250
> *2)?
>
Your two httpds may not load-balance perfectly - so it's quite possible that
both will direct traffic to the same Tomcat server. So, that one Tomcat
server may have to handle all the traf
> 7 root RT 0 000 S0 0.0 0:00.00 watchdog/1
>>
>
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you have a config issue. I bet you have 250 apache workers (per server)
and 250 tomcat workers(per server).
But there are 500 apache workers (250 * 2). So in the worst case - you
need tomcat to handle 500 connections.
-Tim
keeplearning wrote:
I am running a load test with 2 web (apache) and
keeplearning wrote:
I am running a load test with 2 web (apache) and 2 appservers (tomcat). I am
noticing that after 250 users, I start seeing very high CPU usage and very
high load. Below is the o/p from top command. I also saw this message in
catalina.out: "SEVERE: All threads (250) are current
0:00.00 ksoftirqd/1
7 root RT 0 000 S0 0.0 0:00.00 watchdog/1
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