Re: Out of Memory

On Tue, 25 Sep 2018 11:34:19 -0700 (MST)
greigwise <greigwise(at)comcast(dot)net> wrote:

> Well, I've been unsuccessful so far on creating a standalone test.
>
> I have put some scripting in place to capture some additional information on
> the server with the out of memory issues. I have a script which just
> periodically dumps the output of free -m to a text file.
>
> So, the output of free -m immediately before and after the out of memory
> error looks like this:
>
> Just before:
> total used free shared buff/cache
> available
> Mem: 14877 2978 132 3553 11766
> 7943
> Swap: 0 0 0
>
> Just after:
> total used free shared buff/cache
> available
> Mem: 14877 2946 649 3548 11280
> 7982
> Swap: 0 0 0
>
> If I have nearly 8 GB of memory left, why am I getting out of memory errors?

Doesn't the default NUMA setup mean that it can't actually allocate all
the available memory to a single NUMA zone (or whatever it's called)?

Or am I talking ancient Linux history with that?

--
Bill Moran