That may in fact be the cause.  I ran,  free -lm -s 0.5, to watch my memory
use and saw the output below.  My processes didn't die this time when it hit
zero bytes free, but it only lasted for 1 second.  Some process must be
occasionally using very excessive memory, and every once in a while, I get
the OOM kill scenario.    Guess I need to find that process..

             total       used       free     shared    buffers     cached
Mem:          1024        176        847          0          0          0
Low:          1024        176        847
High:            0          0          0
-/+ buffers/cache:        176        847
Swap:            0          0          0

             total       used       free     shared    buffers     cached
Mem:          1024        176        847          0          0          0
Low:          1024        176        847
High:            0          0          0
-/+ buffers/cache:        176        847
Swap:            0          0          0

             total       used       free     shared    buffers     cached
Mem:          1024       1024          0          0          0          0
Low:          1024       1024          0
High:            0          0          0
-/+ buffers/cache:       1024          0
Swap:            0          0          0

             total       used       free     shared    buffers     cached
Mem:          1024       1024          0          0          0          0
Low:          1024       1024          0
High:            0          0          0
-/+ buffers/cache:       1024          0
Swap:            0          0          0

             total       used       free     shared    buffers     cached
Mem:          1024        176        847          0          0          0
Low:          1024        176        847
High:            0          0          0
-/+ buffers/cache:        176        847
Swap:            0          0          0

             total       used       free     shared    buffers     cached
Mem:          1024        176        847          0          0          0
Low:          1024        176        847
High:            0          0          0
-/+ buffers/cache:        176        847
Swap:            0          0          0


On Thu, May 20, 2010 at 3:29 PM, Vick Khera <vi...@khera.org> wrote:

> On Thu, May 20, 2010 at 4:21 PM, Joshua D. Drake <j...@commandprompt.com>
> wrote:
> > I wonder if the oom killer is acting up.
> >
>
> that'd be my guess.  postfix *never* dies.  something external is
> killing your processes.
>
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-- 
Spencer Anderson
spen...@minneapp.com
(424) 901-1363

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