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Posted to dev@tomcat.apache.org by siddharth <si...@fastmail.fm> on 2003/06/17 12:12:58 UTC
java processes created by tomcat
hello,
I am running following servers on my linux machine
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.
-----------------------------------------------------
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
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
-----------------------------------------------------
***
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.
--
siddharth
siddharth@fastmail.fm
--
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Re: java processes created by tomcat
Posted by jean-frederic clere <jf...@fujitsu-siemens.com>.
siddharth wrote:
> 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.
>
> -----------------------------------------------------
>
> 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
>
> -----------------------------------------------------
>
> ***
> 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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AW: java processes created by tomcat
Posted by Hans Schmid <Ha...@einsurance.de>.
See
http://tomcatfaq.sourceforge.net/linx.html
cheers,
Hans
> -----Ursprüngliche Nachricht-----
> Von: siddharth [mailto:siddharth@fastmail.fm]
> Gesendet: Dienstag, 17. Juni 2003 12:13
> An: tomcat-dev@jakarta.apache.org
> Betreff: java processes created by tomcat
>
>
> hello,
>
>
> I am running following servers on my linux machine
>
> 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.
>
> -----------------------------------------------------
>
> 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
>
>
>
> 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
>
> -----------------------------------------------------
>
> ***
> 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.
>
>
> --
> siddharth
> siddharth@fastmail.fm
>
> --
> http://www.fastmail.fm - The way an email service should be
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tomcat-dev-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: tomcat-dev-help@jakarta.apache.org
>
>
---------------------------------------------------------------------
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