[Zope] Python use more and more memory

[Dieter Maurer]

Terry writes:
 > The memory used by python getting more and more.
 > Is that a normal behavoir.
 > 
 > In beginning I start Zope.
 > the python use about 26M memory.
 > 
 > After several hours
 > get the result by "top"
 > Sort by memory usage
 > 
 > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
 > 4931 www-data 13 0 94324 92M 2504 S 3.5 10.4 7:43 python
 > 5022 www-data 9 0 94324 92M 2504 S 0.0 10.4 0:00 python
 > 5023 www-data 9 0 94324 92M 2504 S 0.0 10.4 15:55 python
 > 5024 www-data 14 0 94324 92M 2504 S 14.5 10.4 16:55 python
 > 5025 www-data 10 0 94324 92M 2504 S 0.3 10.4 15:35 python
 > 5026 www-data 9 0 94324 92M 2504 S 0.0 10.4 16:32 python
 > 
 > Have any idea why?
That is not unusual.

Zope makes extensive use of caches. They get filled over time
and consume memory.

Only, when memory consumption grows unbounded, you want to start
looking for leaks. There is a "LeakFinder" product to help you
in this case.


Dieter