> But what if the program's memory use is dependent on lots of factors
> which are not easily predictable.
> And you want to avoid bringing the whole system to it's knees while swapping
> and killing arbritrary other programs while one program is consuming all
> of ram and swap.
> In that case it's
On 07/21/2009 04:22 PM, John Doe wrote:
> From: Sean Carolan
>>> While having hard limits makes it safer, wouldn't it be better to control
>>> the
>>> memory usage of the script instead of setting limits that would trigger an
>>> "out
>>> of memory"...?
>> How would you control the memory usag
From: Sean Carolan
> > While having hard limits makes it safer, wouldn't it be better to control
> > the
> > memory usage of the script instead of setting limits that would trigger an
> > "out
> > of memory"...?
> How would you control the memory usage of the script if it's run by
> the root
> While having hard limits makes it safer, wouldn't it be better to control the
> memory usage of the script instead of setting limits that would trigger an
> "out of memory"...?
How would you control the memory usage of the script if it's run by
the root user?
__
From: Sean Carolan
> > First, install the perl module BSD::Resource
> >
> > yum install perl-BSD-Resource
> >
> > Then use it in your program like:
> >
> > #!/usr/bin/perl
> >
> > use BSD::Resource;
> > setrlimit(RLIMIT_VMEM, 1_000_000, 1_000_000);
> >
> > # rest of the program that is
> First, install the perl module BSD::Resource
>
> yum install perl-BSD-Resource
>
> Then use it in your program like:
>
> #!/usr/bin/perl
>
> use BSD::Resource;
> setrlimit(RLIMIT_VMEM, 1_000_000, 1_000_000);
>
> # rest of the program that is limited to 1MByte now
Thanks, Paul. I knew
On 07/20/2009 05:28 PM, Sean Carolan wrote:
> I have a perl script which runs from a cron job. How would you limit
> the amount of RAM that this script is allowed to consume? Is there a
> ulimit setting that will accomplish this? If so does ulimit have to
> be run each time the script is run, or
> If you run it as a regular user, then maybe you can check out
> /etc/security/limits.conf
Currently the script runs as the root user. I may be able to change
this, but wanted to find out whether there was some other way first.
Would it be possible to use a "ulimit" command within the perl scri
On Mon, Jul 20, 2009 at 4:28 PM, Sean Carolan wrote:
> I have a perl script which runs from a cron job. How would you limit
> the amount of RAM that this script is allowed to consume? Is there a
> ulimit setting that will accomplish this? If so does ulimit have to
> be run each time the script i
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