hello,
I am running following servers on my linux machine
The JVM you use use clone() to create threads. Each thread looks like one process for ps, top etc. That is normal.
1. tomcat4 ---- using many JSPs and Servlets 2. apache 3. qmail 4. postgresql etc.
Tomcat is the only process which is usijg java.
when i do 'top' and 'sort by memory usage' i get following output.
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2:10pm up 5:24, 5 users, load average: 0.22, 0.52, 0.83 168 processes: 166 sleeping, 2 running, 0 zombie, 0 stopped CPU states: 1.1% user, 17.6% system, 0.0% nice, 81.1% idle Mem: 384416K av, 381356K used, 3060K free, 2324K shrd, 11720K buff Swap: 522072K av, 60548K used, 461524K free 71616K cached
I have 29 java processes for Tomcat.
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND 9458 root 9 0 118M 115M 23768 S 0.0 30.8 0:24 java 9489 root 8 0 118M 115M 23768 S 0.0 30.8 0:00 java 9490 root 9 0 118M 115M 23768 S 0.0 30.8 1:45 java 9491 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9495 root 9 0 118M 115M 23768 S 0.0 30.8 0:01 java 9502 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9537 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9538 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9539 root 9 0 118M 115M 23768 S 0.0 30.8 0:05 java 9639 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9717 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9719 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9720 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9721 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9723 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9724 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9725 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9726 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9727 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9728 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9729 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9730 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9731 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9732 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9733 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9734 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9735 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9736 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9737 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9738 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9739 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9740 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9741 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9742 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java 9743 root 9 0 118M 115M 23768 S 0.0 30.8 0:00 java
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*** Notice that first page displayed by output of 'top' is full of JAVA processes ...
is this a problem ? because my machine is getting heavily loaded. ( with around 400 MB of RAM )
please help
thanks.
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