Unicorn is killing our rainbows workers
normalperson at yhbt.net
Fri Jul 27 20:40:40 UTC 2012
Samuel Kadolph <samuel.kadolph at shopify.com> wrote:
> On Thu, Jul 26, 2012 at 8:11 PM, Eric Wong <normalperson at yhbt.net> wrote:
> >> 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.
Thanks, that's the output for the master? I don't see anything
I seem to recall the Ruby library responsible for the following log file
also spawns its own background thread, but your "ls" only shows 2 tasks
(instead of 3):
> ruby 26564 root 9w REG 202,1 51221 529742 APP_PATH/shared/log/newrelic_agent.log
> $ ls /proc/26564/task/
> 26564 27052
(While the Ruby code for the module responsible for that log file is
technically "open", it's not Free, so I'm not comfortable looking at
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