Big amount of RAM used when building 1.1.16

Cyril Lavier cyril.lavier at
Wed Mar 7 18:14:17 UTC 2012

On 03/07/2012 05:26 PM, Sergey Budnevitch wrote:
> On 07.03.2012, at 19:38, Cyril LAVIER wrote:
>> Hi.
>> With the last release (1.1.16), I remarked the build process is taking a lot of RAM, ranging from 1800MB to 3500-4000MB.
> Hi,
> In current version of rules you have added -j$(NUMJOBS) flag to make, but NUMJOBS is not defined. make -j without args
> do not limit number of jobs. So it looks like a fork bomb.
Thanks for pointing me this error, I didn't see it when I moved the "-j" 
out of the NUMJOBS variable.

So now, if NUMJOBS is not defined, I set it to 1.

Kartik, I will perform the needed commit in the next hours, time for me 
to write a clean solution :).

>> Thanks my main build machine has 16GB of RAM, but my mips and mipsel build machines (QEMU VMs) only have 256MB of RAM. So the systems went on to crash with an oomkiller. So to be able to build it, I added up to 4GB of swap space.
>> I remarked this issue in the following architectures : x86 (32 and 64 bits), powerpc, armel, armhf, mips and mipsel (all the architectures I currently use).
>> It occurs for every flavor of the Debian package (light, full and extras) and the memory usage starts to grow when building objs/ngx_modules.c like here with nginx-full : gcc -c -Wall -g -O2 -I src/core -I src/event -I src/event/modules -I src/os/unix -I /usr/include/libxml2 -I objs -o objs/ngx_modules.o objs/ngx_modules.c
>> A table summing up the modules present in every nginx flavour is available here :
>> So for the moment, this issue is blocking a build in the debian buildds, and may block many others.
>> I'm available to do more tests and provide more information if needed.
>> Thanks.
>> -- 
>> Cyril "Davromaniak" Lavier
>> KeyID 59E9A881
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Cyril "Davromaniak" Lavier
KeyID 59E9A881

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