[AOLSERVER] Weird "memory leak" problem in AOLserver 3.4.2/3.x

[Guan Yang]

I've experienced this problem over the weekend on half a dozen  
servers in three different locations:

After starting up, AOLserver (mostly 3.4.2, also a 3.5.11) begins  
allocating a lot of virtual memory. When I follow the process in top,  
the virtual memory counter (but not real memory) rapidly increases  
over the course of 10 to 20 seconds, until it hits the limit of 3 GB  
virtual memory in user space on x86 Linux boxes. The process then  
crashes with this message:

nsthread(3094) error: pthread_create failed in NsThreadCreate: Cannot  
allocate memory

(The process is then restarted by supervise/svscan.)

I couldn't find a fix for the problem and had to migrate to AOLserver  
4.0.10 (we had already planned this for next month) immediately. But  
I find it a bit weird that practically every AOLserver 3 installation  
that I know of encounters this problem over the same weekend. Just  
bad luck? Date sensitive code?

Guan


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