[SLL] Memory Leak Evidence from free, prompted by apache application use, but not cleared by apache restart

Jesse Keating jkeating at j2solutions.net
Wed May 14 14:51:14 PDT 2008


On Wed, 2008-05-14 at 14:37 -0700, Xeno Campanoli wrote:
> I have an apache analysis application that is using lots of memory, but 
> when I bring apache down, the memory usage registered in free does not 
> go down by the amount it went up from the application.  Is there a 
> kernel memory leak like this?  Seems pretty unlikely.  My uname -a is:

It would help if you posted some before and after output.  Are you sure
you're not getting confused by the +/- buffers/cache output?  The memory
usage may still be in cache but that doesn't mean it can't be re-used by
something else that may need it.

Unused ram is wasted money, so caching is good.  It's when you start
swapping that you need to be concerned.

-- 
Jesse Keating RHCE      (jkeating.livejournal.com)
Fedora Project          (fedoraproject.org/wiki/JesseKeating)
GPG Public Key          (geek.j2solutions.net/jkeating.j2solutions.pub)
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