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Date: Fri, 27 May 2011 09:47:02 -0700 From: Jeremy Allison <jra@...ba.org> To: Steve French <smfrench@...il.com> Cc: linux-cifs@...r.kernel.org, linux-fsdevel <linux-fsdevel@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: Big performance improvements seen with cifs async write patches even over localhost On Fri, May 27, 2011 at 12:14:19AM -0500, Steve French wrote: > Did some informal testing of Jeff Layton's cifs async_write patch set > tonight (recent kernel). Copying 700MB sequentially was 20% faster > from cifs kernel client to Samba 3.6 with his patches - even mounted > over localhost (where network latency is a much smaller issue) and > with a slow laptop drive! > > I was simply doing > > time dd if=/dev/zero of=/mnt/null bs=1M count=700 > > repeated 4 times each way (with old module, and with same code with > Jeff's cifs async write code builtin), deleting the target file in > between each run. > > I am looking forward to trying this over GigE tomorrow to servers with > faster disks. Very nice ! Now where's my encrypted transport Steve ? :-) :-) Jeremy. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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