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Posted to users@httpd.apache.org by Richard Correia <ri...@ugamsolutions.com> on 2003/11/18 01:52:17 UTC
[users@httpd] Apache Tomcat Memory issue
Hi,
My "top" is showing me following statistics. At this time, my webserver
is getting 2400 hits per minutes for one JSP page.
Now my question is, this java process shows 11.7% memory usage.
Does this mean each java process is using 11.7% memory or my jsp engine
is taking 11.7% memory.
PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME
COMMAND
13983 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:01 java
13984 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:57 java
13985 root 0 0 63956 59M 19440 S 60 0.0 11.7 8:13 java
13986 root 0 0 63956 59M 19440 S 60 0.0 11.7 2:01 java
13987 root 0 0 63956 59M 19440 S 60 0.0 11.7 5:58 java
13988 root 0 0 63956 59M 19440 S 60 0.0 11.7 71:36 java
13989 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:00 java
13990 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:00 java
13991 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:04 java
13993 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:01 java
13994 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:38 java
13996 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:00 java
.
.
.
Please let me. This will solve my huge problem
Sincerely,
Richard
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Re: [users@httpd] Apache Tomcat Memory issue
Posted by Aaron Morris <aa...@mindspring.com>.
Richard Correia wrote:
> Hi,
>
> My "top" is showing me following statistics. At this time, my webserver
> is getting 2400 hits per minutes for one JSP page.
>
> Now my question is, this java process shows 11.7% memory usage.
> Does this mean each java process is using 11.7% memory or my jsp engine
> is taking 11.7% memory.
>
>
> PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME
> COMMAND
> 13983 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:01 java
> 13984 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:57 java
> 13985 root 0 0 63956 59M 19440 S 60 0.0 11.7 8:13 java
> 13986 root 0 0 63956 59M 19440 S 60 0.0 11.7 2:01 java
> 13987 root 0 0 63956 59M 19440 S 60 0.0 11.7 5:58 java
> 13988 root 0 0 63956 59M 19440 S 60 0.0 11.7 71:36 java
> 13989 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:00 java
> 13990 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:00 java
> 13991 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:04 java
> 13993 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:01 java
> 13994 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:38 java
> 13996 root 0 0 63956 59M 19440 S 60 0.0 11.7 0:00 java
> .
> .
> .
>
> Please let me. This will solve my huge problem
>
> Sincerely,
> Richard
>
Under Linux (I assume you are using Linux) each thread is assigned a PID
and pretty much looks like any other process. Usually, each thread
displays the same stats as the "parent" process so it is safe to say
that the engine is taking 11.7% of memory as a whole.
"ps -ef --forest" will give a good graphical representation of the PIDs
and threads.
--
Aaron W Morris <aa...@mindspring.com> (decep)
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