From: Mel Gorman <mgorman@techsingularity.net>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>, Michal Hocko <mhocko@suse.com>,
Vlastimil Babka <vbabka@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Linux-MM <linux-mm@kvack.org>,
Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: page_alloc: High-order per-cpu page allocator v7
Date: Thu, 8 Dec 2016 11:06:56 +0000 [thread overview]
Message-ID: <20161208110656.bnkvqg73qnjkehbc@techsingularity.net> (raw)
In-Reply-To: <20161208114308.1c6a424f@redhat.com>
On Thu, Dec 08, 2016 at 11:43:08AM +0100, Jesper Dangaard Brouer wrote:
> > That's expected. In the initial sniff-test, I saw negligible packet loss.
> > I'm waiting to see what the full set of network tests look like before
> > doing any further adjustments.
>
> For netperf I will not recommend adjusting the global default
> /proc/sys/net/core/rmem_default as netperf have means of adjusting this
> value from the application (which were the options you setup too low
> and just removed). I think you should keep this as the default for now
> (unless Eric says something else), as this should cover most users.
>
Ok, the current state is that buffer sizes are only set for netperf
UDP_STREAM and only when running over a real network. The values selected
were specific to the network I had available so milage may vary.
localhost is left at the defaults.
--
Mel Gorman
SUSE Labs
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next prev parent reply other threads:[~2016-12-08 11:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-07 10:12 Mel Gorman
2016-12-07 14:52 ` Christoph Lameter
2016-12-07 15:57 ` Mel Gorman
2016-12-07 16:40 ` Christoph Lameter
2016-12-07 16:45 ` Mel Gorman
2016-12-07 17:11 ` Christoph Lameter
2016-12-07 17:35 ` Mel Gorman
2016-12-07 19:00 ` Eric Dumazet
2016-12-07 19:11 ` Eric Dumazet
2016-12-07 19:48 ` Mel Gorman
2016-12-07 20:10 ` Eric Dumazet
2016-12-07 21:19 ` Mel Gorman
2016-12-07 23:25 ` Mel Gorman
2016-12-08 8:22 ` Jesper Dangaard Brouer
2016-12-08 9:18 ` Mel Gorman
2016-12-08 10:43 ` Jesper Dangaard Brouer
2016-12-08 11:06 ` Mel Gorman [this message]
2016-12-08 14:48 ` Jesper Dangaard Brouer
2016-12-08 15:11 ` Mel Gorman
2016-12-08 17:19 ` Jesper Dangaard Brouer
2016-12-08 17:39 ` Mel Gorman
2016-12-08 16:04 ` Eric Dumazet
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