From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: linux-fsdevel@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Donald Buczek <buczek@molgen.mpg.de>
Subject: Re: File system for scratch space (in HPC cluster)
Date: Thu, 24 Oct 2019 10:55:04 -0400 [thread overview]
Message-ID: <20191024145504.GD1124@mit.edu> (raw)
In-Reply-To: <e143071a-b1dc-56a4-a82e-865bae4c60c1@molgen.mpg.de>
On Thu, Oct 24, 2019 at 12:43:40PM +0200, Paul Menzel wrote:
>
> In our cluster, we offer scratch space for temporary files. As
> these files are temporary, we do not need any safety
> requirements – especially not those when the system crashes or
> shuts down. So no `sync` is for example needed.
>
> Are there file systems catering to this need? I couldn’t find
> any? Maybe I missed some options for existing file systems.
You could use ext4 in nojournal mode. If you want to make sure that
fsync() doesn't force a cache flush, you can mount with the nobarrier
mount option.
- Ted
next prev parent reply other threads:[~2019-10-24 14:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 10:43 File system for scratch space (in HPC cluster) Paul Menzel
2019-10-24 14:55 ` Theodore Y. Ts'o [this message]
2019-10-24 15:01 ` Boaz Harrosh
2019-10-24 20:34 ` Theodore Y. Ts'o
2019-10-25 8:33 ` Paul Menzel
2019-10-24 17:51 ` Andreas Dilger
2019-10-25 8:35 ` Paul Menzel
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