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Re: Out of Memory

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On Tue, 25 Sep 2018 11:34:19 -0700 (MST)
greigwise <greigwise@xxxxxxxxxxx> 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




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