From: Phil Pishioneri <pgp@psu.edu>
To: Wendy Cheng <s.wendy.cheng@gmail.com>
Cc: Tom Talpey <tom@talpey.com>,
"J. Bruce Fields" <bfields@fieldses.org>,
Yan Burman <yanb@mellanox.com>,
"Atchley, Scott" <atchleyes@ornl.gov>,
Tom Tucker <tom@opengridcomputing.com>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
Or Gerlitz <ogerlitz@mellanox.com>
Subject: Re: NFS over RDMA benchmark
Date: Thu, 25 Apr 2013 15:01:33 -0400 [thread overview]
Message-ID: <51797D8D.1080302@psu.edu> (raw)
In-Reply-To: <CABgxfbHePAyq6AH9TFKZKUmwEHOupuYUnfc1W99HAuDkYddUqQ@mail.gmail.com>
On 4/25/13 1:18 PM, Wendy Cheng wrote:
> On Wed, Apr 24, 2013 at 11:26 AM, Tom Talpey <tom@talpey.com> wrote:
>> 1)
>>
>> The client slot count is not hard-coded, it can easily be changed by
>> writing a value to /proc and initiating a new mount. But I doubt that
>> increasing the slot table will improve performance much, unless this is
>> a small-random-read, and spindle-limited workload.
> It was a shot in the dark :) .. as our test bed has not been setup
> yet .However, since I'll be working on (very) slow clients, increasing
> this buffer is still interesting (to me). I don't see where it is
> controlled by a /proc value (?) - but that is not a concern at this
> moment as /proc entry is easy to add. More questions on the server
> though (see below) ...
Might there be confusion between the RDMA slot table and the TCP/UDP
ones (which have proc entries under /proc/sys/sunrpc)?
-Phil
WARNING: multiple messages have this Message-ID (diff)
From: Phil Pishioneri <pgp-8DAjSxpRXgY@public.gmane.org>
To: Wendy Cheng <s.wendy.cheng-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Tom Talpey <tom-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org>,
"J. Bruce Fields"
<bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>,
Yan Burman <yanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
"Atchley, Scott" <atchleyes-1Heg1YXhbW8@public.gmane.org>,
Tom Tucker
<tom-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: NFS over RDMA benchmark
Date: Thu, 25 Apr 2013 15:01:33 -0400 [thread overview]
Message-ID: <51797D8D.1080302@psu.edu> (raw)
In-Reply-To: <CABgxfbHePAyq6AH9TFKZKUmwEHOupuYUnfc1W99HAuDkYddUqQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 4/25/13 1:18 PM, Wendy Cheng wrote:
> On Wed, Apr 24, 2013 at 11:26 AM, Tom Talpey <tom-CLs1Zie5N5HQT0dZR+AlfA@public.gmane.org> wrote:
>> 1)
>>
>> The client slot count is not hard-coded, it can easily be changed by
>> writing a value to /proc and initiating a new mount. But I doubt that
>> increasing the slot table will improve performance much, unless this is
>> a small-random-read, and spindle-limited workload.
> It was a shot in the dark :) .. as our test bed has not been setup
> yet .However, since I'll be working on (very) slow clients, increasing
> this buffer is still interesting (to me). I don't see where it is
> controlled by a /proc value (?) - but that is not a concern at this
> moment as /proc entry is easy to add. More questions on the server
> though (see below) ...
Might there be confusion between the RDMA slot table and the TCP/UDP
ones (which have proc entries under /proc/sys/sunrpc)?
-Phil
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next prev parent reply other threads:[~2013-04-26 0:58 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-17 14:36 NFS over RDMA benchmark Yan Burman
2013-04-17 14:36 ` Yan Burman
2013-04-17 17:15 ` Wendy Cheng
2013-04-17 17:15 ` Wendy Cheng
2013-04-17 17:32 ` Atchley, Scott
2013-04-17 17:32 ` Atchley, Scott
2013-04-17 18:06 ` Wendy Cheng
2013-04-17 18:06 ` Wendy Cheng
2013-04-18 12:47 ` Yan Burman
2013-04-18 12:47 ` Yan Burman
2013-04-18 16:16 ` Wendy Cheng
2013-04-18 16:16 ` Wendy Cheng
2013-04-23 21:06 ` J. Bruce Fields
2013-04-23 21:06 ` J. Bruce Fields
2013-04-24 12:35 ` Yan Burman
2013-04-24 12:35 ` Yan Burman
2013-04-24 15:05 ` J. Bruce Fields
2013-04-24 15:05 ` J. Bruce Fields
2013-04-24 15:26 ` J. Bruce Fields
2013-04-24 15:26 ` J. Bruce Fields
2013-04-24 16:27 ` Wendy Cheng
2013-04-24 16:27 ` Wendy Cheng
2013-04-24 18:04 ` Wendy Cheng
2013-04-24 18:04 ` Wendy Cheng
2013-04-24 18:26 ` Tom Talpey
2013-04-24 18:26 ` Tom Talpey
2013-04-25 17:18 ` Wendy Cheng
2013-04-25 17:18 ` Wendy Cheng
2013-04-25 19:01 ` Phil Pishioneri [this message]
2013-04-25 19:01 ` Phil Pishioneri
2013-04-25 20:14 ` Tom Talpey
2013-04-25 20:14 ` Tom Talpey
2013-04-25 20:04 ` Tom Talpey
2013-04-25 20:04 ` Tom Talpey
2013-04-25 21:17 ` Tom Tucker
2013-04-25 21:17 ` Tom Tucker
2013-04-25 21:58 ` Wendy Cheng
2013-04-25 21:58 ` Wendy Cheng
2013-04-25 22:26 ` Wendy Cheng
2013-04-25 22:26 ` Wendy Cheng
2013-04-28 6:28 ` Yan Burman
2013-04-28 6:28 ` Yan Burman
2013-04-28 14:42 ` J. Bruce Fields
2013-04-28 14:42 ` J. Bruce Fields
2013-04-29 5:34 ` Wendy Cheng
2013-04-29 5:34 ` Wendy Cheng
2013-04-29 12:16 ` Yan Burman
2013-04-29 12:16 ` Yan Burman
2013-04-29 13:05 ` Tom Tucker
2013-04-29 13:05 ` Tom Tucker
2013-04-29 13:07 ` Tom Tucker
2013-04-29 13:07 ` Tom Tucker
2013-04-30 5:09 ` Yan Burman
2013-04-30 5:09 ` Yan Burman
2013-04-30 13:05 ` Tom Talpey
2013-04-30 13:05 ` Tom Talpey
2013-04-30 14:23 ` Yan Burman
2013-04-30 14:23 ` Yan Burman
2013-04-30 14:44 ` Tom Talpey
2013-04-30 14:44 ` Tom Talpey
2013-04-30 14:20 ` Tom Talpey
2013-04-30 14:20 ` Tom Talpey
2013-04-30 14:38 ` Yan Burman
2013-04-30 14:38 ` Yan Burman
2013-04-30 18:58 ` Tom Tucker
2013-04-30 18:58 ` Tom Tucker
[not found] ` <CALsNU1MsjH5=p4Wtj2aJ5+odC7y7-5oTGhrzOL-=15pXaYYUZw@mail.gmail.com>
[not found] ` <CABgxfbFhZTBO81WC5BcRRfQB_YBjE4N=sfS+G9eAzaFHYC_dWw@mail.gmail.com>
2013-06-20 14:56 ` Or Gerlitz
2013-06-20 14:56 ` Or Gerlitz
2013-04-30 16:24 ` Wendy Cheng
2013-04-30 16:24 ` Wendy Cheng
2013-04-30 13:38 ` J. Bruce Fields
2013-04-30 13:38 ` J. Bruce Fields
2013-04-19 2:27 ` Peng Tao
2013-04-19 2:27 ` Peng Tao
2013-04-22 11:07 ` Yan Burman
2013-04-22 11:07 ` Yan Burman
[not found] <51703280.03e9440a.06a6.3f9f@mx.google.com>
2013-04-18 19:15 ` Wendy Cheng
2013-04-18 19:15 ` Wendy Cheng
2013-04-19 1:03 ` Atchley, Scott
2013-04-19 1:03 ` Atchley, Scott
2013-04-19 3:35 ` Spencer
2013-04-19 3:35 ` Spencer
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