linux-kernel - Re: [RFC][PATCHv3] List per-process file descriptor consumption when hitting file-max

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Message-ID: <20100113224459.GA21934@ZenIV.linux.org.uk>
Date:	Wed, 13 Jan 2010 22:44:59 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Alexander Shishkin <virtuoso@...nd.org>
Cc:	Valdis.Kletnieks@...edu, linux-fsdevel@...r.kernel.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCHv3] List per-process file descriptor consumption when
 hitting file-max

On Mon, Jan 11, 2010 at 11:38:07AM +0200, Alexander Shishkin wrote:
> When a file descriptor limit is hit, display the top consumers of
> descriptors so that it is possible to identify and fix those which
> leak them.
> 
> Two new sysctl tunables are introduced:
>   * file-max-consumers -- number of processes to display (defaults
>     to 10);
>   * file-max-rate-limit -- time interval between subsequent dumps
>     (defaults to 10 seconds).

That *still* doesn't answer the most important question: what for?
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