excessive RAM consumption - memory leak

[Todd HG]

>> Igor Sysoev wrote:
>> > On Wed, Feb 20, 2008 at 11:47:29PM +0100,
>> 
>> Is there anywhere I could read more about how Nginx uses 
>> connection_pool_size, stores connections, if it is in a cache in RAM or 
>> hard drive, and what else might be stored in RAM by Nginx?
> 
> All that you need is to disable gzipping images. It's enough.
> Other default settings do not allow workers to grow up.

Of course disabling gzip defeats the purpose of having gzip decrease 
bandwidth and increase site speed for readers. Right now I only have 
gzip handling a few million js and css files a day, in addition to tens 
of millions of images which are not gzipped, but the RAM usage just 
grows until it is completely consumed. By setting the gzip compression 
level to 1 the RAM consumption grows more slowly, but eventually eats 
all the RAM.

It appears what might be needed is a setting to allow the total number 
of connections for gzip to be set before Nginx automatically kills and 
restarts a worker. This would be similar to the Apache 
MaxRequestsPerChild limit setting. There should be a way to set Nginx to 
kill and restart the worker process to free the RAM, and start again at 
zero for situations like mine.

Without a solution I need to restart my server about every 24 hours, and 
this is a very robust server.

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