Re: Memory allocation under Aix 4.2

Check ulimits, kernel imposed limits on the amount of memory available
per process.

--
B. Richardson     rabtter@aye.net
On Tue, 14 Jul 1998, Andy Lee wrote:
> I have been getting the unable to allocate x bytes errors under Squid 
> 1.1.22 compiled on Aix4.2 using gcc 2.8.1 and running on 3/90 with 
> 256MB ram with limits set to 0 for each user.
> 
> Looking through the code it relies on calling xmalloc to allocate the 
> memory required. Following through the normal headers (malloc.h) 
> shows xmalloc takes three args from the man :
> 
> caddr_t xmalloc (size, align, heap)
> int size ;
> int align;
> caddr_t heap ;
> 
> and seems to require calls to xmfree to free the memory.
> 
> Squid tries to use the gcc version of xmalloc which takes just one 
> arg .
> 
> I can't actually prove it but it seems using the standard configure 
> and make under AIX gets confused over the xalloc. You then get the 
> typical climb to 128MB resident memory size and die problem.
> 
> I've now linked against libgnumalloc.a and added gmalloc.o to the 
> XTRA_OBJS in the src squid Makefile (as recommended in the gnumalloc 
> notes). 
> 
> The memory usage as shown by top is climbing more slowly ( It dies 
> after about 1.5 hours)
> 
> Question - does anyone know any aix memory bugs 
> How stable is 1.2 - will it last more than 1.5 hours ?
> 
> Any thoughts ?
> 
> cheers
> Andy Lee
> Unix Support
> National Power Plc 
> Swindon
> 
>