launchpad-dev team mailing list archive

[Gary Poster <gary.poster@xxxxxxxxxxxxx>]

On Aug 3, 2010, at 11:07 AM, John Arbash Meinel wrote:

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> Gary Poster wrote:
>> On Aug 3, 2010, at 10:53 AM, Francis J. Lacoste wrote:
>> 
>>> Hi Gary,
>>> 
>>>> App server machines are going into swap every week or two now. We closed a 
>>>> memory leak, but there's at least another slow one we know about. We will 
>>>> probably need to tackle this again soon. 
>>> Is there a bug filed for this memory leak?
>> 
>> There was not.  I filed one.  It's just a marker (which is why I hadn't filed one before).
>> 
>> https://bugs.edge.launchpad.net/launchpad-foundations/+bug/613024
>> 
>> I updated the incident log with links to the bug for the most recent incidents.
>> 
>>> Can we get a Meliae dump the next 
>>> time this happen.
>> 
>> The last one we have is from spm on 7/16, per the incident log.  Getting another one soon would probably be reasonable because, yeah, things suddenly look significantly worse since 7/26.
>> 
> 
> By the way, I would be happy to work with someone on analyzing this
> stuff. I've just put in another round of development on Meliae while
> trying to sort out some bzr issues. It would be nice to work with
> someone to get feedback about what does/doesn't work for them, and ways
> to improve the memory analysis.

Thank you, John.  I should upgrade us to the newest version of meliae while I'm at it.

> 
> Also, one thing to consider. If you are worried about memory *leaks* it
> is probably best to get 2 dumps over time. There may be a lot of noise,
> but having a delta of how the memory grew can be useful.

Good point.

Gary