Hello,
We implemented a few servlets yesterday on a dual processor
Redhat 5.2 linux (515MB RAM) running Apache-JServ-1.0b3
with Apache/1.3.6. Apache is configured to start 50 processes.
Upon start up, using top, the httpd processes look like this:
PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME COMMAND
988 nobody l0 0 1424 1424 1100 S 0 0.1 0.2 0:00 httpd
After running for a few hours of testing, top shows that all of the
machine's RAM is gone and that the machine is swapping. The httpd processes
have grown considerably.
PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME COMMAND
260 nobody 0 0 13704 11M 512 S 0 0.0 2.1 0:03 httpd
Why have the httpd processes grown? Could it be related to the servlet's code?
Another odd thing is that the apache processes' normal amount of shared
memory has decreased by half. The memory taken by the java process (JVM)
stays level at about 12MB regardless of how long the machine is up.
I had MaxRequestsPerChild set at 10000 but have now changed it to 1000
because of the problem.
Any ideas?
Thanks in advance.
Mark
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