On Jun 20, 2019, at 1:34 PM, Noam Bernstein <noam.bernst...@nrl.navy.mil> wrote:
> Aha - using Mellanox’s OFED packaging seems to essentially (if not 100%) 
> fixed the issue.  There still appears to be some small leak, but it’s of 
> order 1 GB, not 10s of GB, and it doesn’t grow continuously.   And on later 
> runs of the same code it doesn’t grow any further, so whatever the kernel 
> memory is being used for and not released, it can at least be used again for 
> the same purpose.
> Thanks for the nudge to check out this option.  Do you happen to know how the 
> installer handles kernel updates?  Is it at all automated, or do I need to 
> rerun the installer to build new kernel modules each time?

I'm afraid I don't know anything about the Mellanox OFED installer; you'll need 
to check their documentation / check with them.

Jeff Squyres

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