Unicorn is killing our rainbows workers

Samuel Kadolph samuel.kadolph at shopify.com
Fri Jul 27 20:01:08 UTC 2012


On Thu, Jul 26, 2012 at 8:11 PM, Eric Wong <normalperson at yhbt.net> wrote:
> Samuel Kadolph <samuel.kadolph at shopify.com> wrote:
>> On Thu, Jul 26, 2012 at 7:48 PM, Eric Wong <normalperson at yhbt.net> wrote:
>> > Samuel Kadolph <samuel.kadolph at shopify.com> wrote:
>> >> We'll have more time free next week to dig further into this.
>> >
>> > Hi Samuel, any update on this?
>>
>> Our ops guys have been busy so I don't have the output from lsof but
>> it didn't look like it was spawning any extra threads or opening any
>> unexplainable connections. But I think we should have been checking
>> the worker processes and not the master, right?
>
> Definitely check the master, too.  It's the master that seems to
> believe it's suspended, so that makes me believe something is wrong
> with the master (and this is likely due to preload_app).
>
>> Haven't tried disabling preload_app yet but we have tried

I've got the output of lsof and ls at https://gist.github.com/3190171.


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