[Lustre-discuss] Lustre Client - Memory Issue

[Johann Lombardi]

Hi,

On Tue, Apr 20, 2010 at 09:08:25AM -0700, Jagga Soorma wrote:
> Thanks for your response.* I will try to run the leak-finder script and
> hopefully it will point us in the right direction.* This only seems to be
> happening on some of my clients:

Could you please tell us what kernel you use on the client side?

>    client104: ll_obdo_cache********* 0 433506280*** 208** 19*** 1 : tunables*
>    120** 60*** 8 : slabdata***** 0 22816120***** 0
>    client116: ll_obdo_cache********* 0 457366746*** 208** 19*** 1 : tunables*
>    120** 60*** 8 : slabdata***** 0 24071934***** 0
>    client113: ll_obdo_cache********* 0 456778867*** 208** 19*** 1 : tunables*
>    120** 60*** 8 : slabdata***** 0 24040993***** 0
>    client106: ll_obdo_cache********* 0 456372267*** 208** 19*** 1 : tunables*
>    120** 60*** 8 : slabdata***** 0 24019593***** 0
>    client115: ll_obdo_cache********* 0 449929310*** 208** 19*** 1 : tunables*
>    120** 60*** 8 : slabdata***** 0 23680490***** 0
>    client101: ll_obdo_cache********* 0 454318101*** 208** 19*** 1 : tunables*
>    120** 60*** 8 : slabdata***** 0 23911479***** 0
>    --
> 
>    Hopefully this should help.* Not sure which application might be causing
>    the leaks.* Currently R is the only app that users seem to be using
>    heavily on these clients.* Will let you know what I find.

Tommi Tervo has filed a bugzilla ticket for this issue, see
https://bugzilla.lustre.org/show_bug.cgi?id=22701

Could you please add a comment to this ticket to describe the
behavior of the application "R" (fork many threads, write to
many files, use direct i/o, ...)?

Cheers,
Johann