[UNCLASSIFIED]RE: [clug] Memory Leak In cAosity

Antti.Roppola at brs.gov.au Antti.Roppola at brs.gov.au
Fri Aug 5 02:21:18 GMT 2005

Alex wrote: 

> I had a problem a while ago where something was chewing up memory to  
> the point that my database was aborting many transactions due to lack  
> of available RAM, and the Apache server was aborting many CGI scripts  
> for the same reason - though to be technically correct, the kernel  
> logs were telling me that Linux was simply terminating the biggest  
> memory users. I was never able to figure out what was actually eating  
> up the RAM - the problem mysteriously disappeared with the next "apt- 
> get upgrade" and reboot - ps and top weren't telling me anything  

It might be possible for Steve to shut down services and see if the
symptoms change. I had a bad Apache DSO and the onset of baddness was
correlated to how hard that DSO was being used, when I removed it or
shut down Apache, the problem went away. Hammering the DSO using a test
script actually induced some kind of overflow that killed the server.

Unfortunately I cam currently without an AMD64 test environment. :o(


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