Re: mindi/mondo virtual memory

Michael White <[email protected]>
Newsgroups gmane.linux.mondo.devel
Message-ID <[email protected]>
Thanks Rick, doesn't look like I have those available but I'll look into them.

Michael White

-----Original Message-----
From: Rick Stevens [mailto:[email protected]] 
Sent: Wednesday, June 14, 2017 4:14 PM
To: [email protected]
Subject: Re: [Mondo-devel] mindi/mondo virtual memory

On 06/14/2017 10:54 AM, Michael White wrote:
> Hi Bruno,
> 
> I'm still trying to figure out why something is holding on to virtual memory after the job finishes.  As I noted in a previous post - if I stop mono archive from running virtual memory does not increase that day but when mondo archive starts again virtual memory bumps up another notch again. 
> 
> I'm wondering could it possibly be mindi? Doesn't mindi use a ram disk to build the boot image? I've looked at mindi's log (attached) but I really don't see anything about memory allocation/deallocation.
> 
> Another odd thing is I have 8 Linux servers basically identical to each other that I run mondo archive on but only two production servers are showing this virtual memory issue. 

Suggestion from left field: try running mondoarchive under memusage:

	memusage mondoarchive <all your wonderful options>

or perhaps using operf/opreport instead of memusage. It might even be better to run operf in system-wide mode to catch everything going on.
See "man operf" for details.

memusage is part of the glibc-utils RPM on Fedora/CentOS/Red Hat.

operf/opreport is part of the oprofile RPM on Fedora/CentOS/Red Hat.
Can't speak about other distros, but they're probably similarly named.

> -----Original Message-----
> From: Bruno Cornec [mailto:[email protected]]
> Sent: Tuesday, June 06, 2017 11:56 AM
> To: Mondo mailing list <[email protected]>
> Subject: Re: [Mondo-devel] mindi/mondo virtual memory
> 
> Michael White said on Tue, Jun 06, 2017 at 04:50:51PM +0000:
>> I'm not following you on what to look for with the command "ps auxww".
> 
> Well, I try to understand which process can be eating memory. That command could help.
> 
>> Over the weekend I stopped Mondoarchive from running and the memory graphs flatted out until MondoArchive ran Monday night and the graph stepped up like the example I sent.
> 
> How long is mondoarchive running for you ? 
> Of course, when it's running, it's consuming more memory, even if I try to do my best to avoid unnecessary consumption.
> But when the command ends, memory should come back again. Is that the case ?
> 
> Bruno.
> --
> HPE EMEA EG FLOSS Technology Strategist http://www.hpe.com/engage/opensource
> Open Source Profession, WW Linux Community Lead    http://github.com/bcornec   
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--
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- Rick Stevens, Systems Engineer, AllDigital    [email protected] -
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