Where do I see # of apache workers and tomcat workers in the config file? With what you said, shouldn't 2 tomcat servers handle 500 connections (250 *2)?
Thanks a lot Prakash funkman wrote: > > 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 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 currently busy, waiting. >> Increase maxThreads (250) or check the servlet status" >> >> >> >> top - 00:31:21 up 138 days, 7:44, 0 users, load average: 20.68, 14.47, >> 6.99 >> Tasks: 88 total, 2 running, 86 sleeping, 0 stopped, 0 zombie >> Cpu(s): 95.1%us, 2.5%sy, 0.0%ni, 0.9%id, 0.0%wa, 0.1%hi, 1.4%si, >> 0.0%st >> Mem: 16439088k total, 3260004k used, 13179084k free, 187148k buffers >> Swap: 2031608k total, 0k used, 2031608k free, 1528756k cached >> >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >> >> 4771 tomcat 16 0 3119m 1.3g 25m S 396 8.2 41:56.61 java >> >> 1 root 18 0 10308 660 552 S 0 0.0 0:01.54 init >> >> 2 root RT 0 0 0 0 S 0 0.0 0:00.07 migration/0 >> >> 3 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0 >> >> 4 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0 >> >> 5 root RT 0 0 0 0 S 0 0.0 0:00.05 migration/1 >> >> 6 root 34 19 0 0 0 S 0 0.0 0:00.00 ksoftirqd/1 >> >> 7 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/1 >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > > -- View this message in context: http://www.nabble.com/very-high-CPU-and-load...-tp25358279p25366405.html Sent from the Tomcat - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
