From: Eric Wong <normalperson@yhbt.net>
To: unicorn list <mongrel-unicorn@rubyforge.org>
Subject: Re: USR2 + QUIT sometimes interrupts socket connections
Date: Fri, 19 Aug 2011 17:11:08 -0700 [thread overview]
Message-ID: <20110820001108.GA22342@dcvr.yhbt.net> (raw)
In-Reply-To: <95034CB8-FFB2-4A77-A87F-E9DD47F36A11@gmail.com>
cliftonk@gmail.com wrote:
> On Aug 19, 2011, at 5:46 PM, Alex Sharp wrote:
> > The exception message I get is: Mongo::ConnectionFailure: Failed to
> > connect to host xxx.yyy.zzz.com and port 12345: Interrupted system
> > call - connect(2)
>
> I've been experiencing the same issue in production with
> fauna/memcached gem which is backed by the libmemcached C library.
Unlike Mongo and Net::HTTP, the memcached gem doesn't use the standard
Ruby socket library. Can you show us a backtrace (and probably Cc: Evan
Weaver (fauna)) so we can get it fixed?
Any process accepting signals can have system calls fail with
EINTR, and buggy libraries don't handle it properly.
The Ruby standard library is mostly good at gracefully handling EINTR,
and I've gotten all instances I've encountered fixed in MRI 1.9.x.
--
Eric Wong
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next prev parent reply other threads:[~2011-08-20 1:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-19 22:46 USR2 + QUIT sometimes interrupts socket connections Alex Sharp
2011-08-19 23:47 ` Eric Wong
2011-08-20 0:04 ` Alex Sharp
2011-08-19 23:49 ` cliftonk
2011-08-20 0:11 ` Eric Wong [this message]
2011-08-20 7:37 ` Eric Wong
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