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From: Brian McGroarty <brian@mcgroarty.net>
To: Albert Cahalan <albert@users.sf.net>
Cc: linux-kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: /proc reliability & performance
Date: Thu, 16 Oct 2003 22:24:36 -0500	[thread overview]
Message-ID: <20031017032436.GA17480@mcgroarty.net> (raw)
In-Reply-To: <1066356438.15931.125.camel@cube>

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On Thu, Oct 16, 2003 at 10:07:18PM -0400, Albert Cahalan wrote:
> I created a process with 360 thousand threads,
> went into the /proc/*/task directory, and did
> a simple /bin/ls. It took over 9 minutes on a
> nice fast Opteron. (it's the same at top-level
> with processes, but I wasn't about to mess up
> my system that much)

Are there many cases where the /proc directory contents are read in
this fashion?

I'd be more curious about how performance fares with reading a
thousand entries by name with 1k processes and with 360k processes.

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  parent reply	other threads:[~2003-10-17  3:28 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-17  2:07 Albert Cahalan
2003-10-17  2:34 ` Larry McVoy
2003-10-17  8:01   ` dada1
2003-10-17  9:10     ` David S. Miller
2003-10-17 14:46       ` Valdis.Kletnieks
2003-10-17 17:24       ` dada1
2003-10-17 23:48       ` Albert Cahalan
2003-10-18  6:35       ` Willy Tarreau
2003-10-18  6:38         ` David S. Miller
2003-10-17  2:51 ` William Lee Irwin III
2003-10-17  3:24 ` Brian McGroarty [this message]
2003-10-17  4:31   ` Albert Cahalan
2003-10-17  4:56     ` William Lee Irwin III
2003-10-17  8:21     ` David Rees
2003-10-17  7:40 ` Zan Lynx
2003-10-17  7:54   ` William Lee Irwin III

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