From: "Petteri Räty" <betelgeuse@gentoo.org>
To: mongrel-unicorn@rubyforge.org
Subject: Re: pid file deleted briefly when doing hot restart
Date: Tue, 27 Nov 2012 18:11:40 +0200 [thread overview]
Message-ID: <50B4E63C.9000305@gentoo.org> (raw)
In-Reply-To: <20121127020224.GA4924@dcvr.yhbt.net>
On 27.11.2012 4.02, Eric Wong wrote:
> Petteri Räty <betelgeuse@gentoo.org> wrote:
>> On 27.11.2012 2.35, Eric Wong wrote:
>>
>>>>
>>>> nginx does not explicitly unlink the old pid file before it renames it
>>>> out of the way so yes matching nginx in that regard changes the behavior
>>>> exactly how I originally asked but you were against that. Maybe the
>>>> point is moot though.
>>>
>>> Ah, I thought you wanted the pid file to be replaced without
>>> a window where the file is non-existent (or empty).
>>>
>>
>> That would be ideal but I meant this thread to be explicitly about the
>> unlink and resulting couple seconds window. Now that I have spend some
>> thinking about the issue here's an approach using hard links that can be
>> used to replace the pid without window of non-existance:
>
> Yes, this is ideal, but unfortunately, the window of non-existence is
> necessary for compatibility with some existing (nginx-based) scripts.
>
Can you point out what those scripts are?
Regards,
Petteri
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next prev parent reply other threads:[~2012-11-27 16:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-25 23:27 pid file deleted briefly when doing hot restart Petteri Räty
2012-11-26 0:43 ` Eric Wong
2012-11-26 10:39 ` Petteri Räty
2012-11-26 18:24 ` Eric Wong
2012-11-26 23:56 ` Petteri Räty
2012-11-27 0:35 ` Eric Wong
2012-11-27 1:49 ` Petteri Räty
2012-11-27 2:02 ` Eric Wong
2012-11-27 16:11 ` Petteri Räty [this message]
2012-11-27 21:51 ` Eric Wong
2012-11-27 1:50 ` Petteri Räty
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