From: Dipankar Sarma <dipankar@in.ibm.com>
To: Christopher Friesen <cfriesen@nortel.com>
Cc: Sonny Rao <sonny@burdell.org>,
linux-kernel@vger.kernel.org, "Theodore Ts'o" <tytso@mit.edu>,
bharata@in.ibm.com
Subject: Re: dentry_cache using up all my zone normal memory -- also seen on 2.6.14-rc2
Date: Thu, 22 Sep 2005 02:30:20 +0530 [thread overview]
Message-ID: <20050921210019.GF4569@in.ibm.com> (raw)
In-Reply-To: <4331C9B2.5070801@nortel.com>
On Wed, Sep 21, 2005 at 02:59:30PM -0600, Christopher Friesen wrote:
> Sonny Rao wrote:
>
> >Over one million files open at once is just asking for trouble on a
> >lowmem-crippled x86 machine, IMHO.
>
> I don't think there actually are. I ran the testcase under strace, and
> it appears that there are two threads going at once.
>
> thread 1 spins doing the following:
> fd = creat("./rename14", 0666);
> unlink("./rename14");
> close(fd);
>
> thread 2 spins doing:
> rename("./rename14", "./rename14xyz");
Ewww.. Looks like a leak due to a race.
Does this happen on a non-nfs filesystem ?
Thanks
Dipankar
next prev parent reply other threads:[~2005-09-21 21:06 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-21 16:26 dentry_cache using up all my zone normal memory Christopher Friesen
2005-09-21 16:53 ` Christopher Friesen
2005-09-21 19:46 ` dentry_cache using up all my zone normal memory -- also seen on 2.6.14-rc2 Christopher Friesen
2005-09-21 20:07 ` Sonny Rao
2005-09-21 20:27 ` Christopher Friesen
2005-09-21 20:49 ` Christopher Friesen
2005-09-21 20:59 ` Christopher Friesen
2005-09-21 20:58 ` Sonny Rao
2005-09-21 21:00 ` Dipankar Sarma [this message]
2005-09-21 21:14 ` Al Viro
2005-09-21 21:14 ` Trond Myklebust
2005-09-21 21:25 ` Christopher Friesen
2005-09-21 21:29 ` Christopher Friesen
2005-09-21 21:25 ` Christopher Friesen
2005-09-21 22:03 ` Roland Dreier
2005-09-22 3:11 ` Al Viro
2005-09-22 3:54 ` Christopher Friesen
2005-09-22 4:17 ` Al Viro
2005-09-22 14:47 ` Christopher Friesen
2005-09-22 15:16 ` Christopher Friesen
2005-09-22 18:12 ` dentry_cache using up all my zone normal memory -- new data point Christopher Friesen
2005-09-22 18:27 ` dentry_cache using up all my zone normal memory -- also seen on 2.6.14-rc2 Dipankar Sarma
2005-09-22 19:03 ` Christopher Friesen
2005-09-22 19:18 ` Dipankar Sarma
2005-09-22 21:37 ` Christopher Friesen
2005-09-22 21:44 ` Sonny Rao
2005-09-22 21:55 ` Christopher Friesen
2005-09-22 22:04 ` Randy.Dunlap
2005-09-26 4:43 ` [PATCH/RFC] sysrq: updating console_loglevel Randy.Dunlap
2005-09-22 22:05 ` dentry_cache using up all my zone normal memory -- also seen on 2.6.14-rc2 Christopher Friesen
2005-10-04 19:43 ` Dipankar Sarma
2005-10-04 20:02 ` Christopher Friesen
2005-10-05 4:00 ` Dipankar Sarma
2005-09-30 22:03 ` dentry_cache using up all my zone normal memory Christopher Friesen
2005-10-01 23:22 ` Marcelo
2005-10-02 6:04 ` Christopher Friesen
2005-10-02 19:55 ` Marcelo
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