[systemd-devel] MemoryLimit and MemorySoftLimit

[Manuel Amador]

memorylimit and memorysoftlimit can be determined using the ulimit system 
call.

you cannot detect when you've hit the soft limit other than by getting a NULL 
on malloc.

On Monday, March 26, 2012 11:06:42 Albert Strasheim wrote:
> Hello all
> 
> We want to limit the memory a service can use using MemoryLimit= and
> MemorySoftLimit= described in systemd.exec.
> 
> As I understand it, LimitAS= and LimitRSS= aren't particularly useful.
> Linux doesn't even implement LimitRSS?
> 
> http://unix.stackexchange.com/questions/32368/how-to-limit-application-memor
> y-usage
> 
> Is there a way for an application to detect when it has hit its
> MemorySoftLimit=? We would like to log a warning at this point.
> 
> Also, is there some standard way for the application to determine if a
> MemoryLimit= is configured? We might want to automatically size some
> buffers based on this limit.
> 
> Thanks in advance.
> 
> Regards
> 
> Albert
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-- 
    Manuel Amador (Rudd-O)
    http://rudd-o.com/