From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Hannes Frederic Sowa <hannes@stressinduktion.org>,
netdev@vger.kernel.org, Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [net-next PATCH 2/4] net: increase frag hash size
Date: Thu, 25 Apr 2013 02:09:43 +0400 [thread overview]
Message-ID: <51785827.1000007@cogentembedded.com> (raw)
In-Reply-To: <20130424154822.16883.93014.stgit@dragon>
Hello.
On 24-04-2013 19:48, Jesper Dangaard Brouer wrote:
> Increase fragmentation hash bucket size to 1024 from old 64 elems.
> After we increased the frag mem limits (in commit v3.8-rc3-503-gc2a9366)
This is not a commit ID, commit ID is SHA1 key alone. And you should also
specify that commit's summary line with it, in parens.
> the hash size of 64 elements is simply too small. Also considering
> the mem limit is per netns and the hash table is shared for all netns.
> For the embedded people, note that this increase will change the hash
> table/array from using approx 1 Kbytes to 16 Kbytes.
> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
WBR, Sergei
next prev parent reply other threads:[~2013-04-24 22:11 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-24 15:47 [net-next PATCH 0/4] net: frag patchset for fixing LRU scalability issue Jesper Dangaard Brouer
2013-04-24 15:48 ` [net-next PATCH 1/4] Revert "inet: limit length of fragment queue hash table bucket lists" Jesper Dangaard Brouer
2013-04-25 0:00 ` Eric Dumazet
2013-04-25 13:10 ` Jesper Dangaard Brouer
2013-04-25 13:58 ` David Laight
2013-05-02 7:59 ` Jesper Dangaard Brouer
2013-05-02 15:16 ` Eric Dumazet
2013-05-03 9:15 ` Jesper Dangaard Brouer
2013-04-24 15:48 ` [net-next PATCH 2/4] net: increase frag hash size Jesper Dangaard Brouer
2013-04-24 22:09 ` Sergei Shtylyov [this message]
2013-04-25 10:13 ` Jesper Dangaard Brouer
2013-04-25 12:13 ` Sergei Shtylyov
2013-04-25 19:11 ` David Miller
2013-04-24 23:48 ` Eric Dumazet
2013-04-25 3:26 ` Hannes Frederic Sowa
2013-04-25 19:52 ` [net-next PATCH V2] " Jesper Dangaard Brouer
2013-04-29 17:44 ` David Miller
2013-04-24 15:48 ` [net-next PATCH 3/4] net: avoid false perf interpretations in frag code Jesper Dangaard Brouer
2013-04-24 23:48 ` Eric Dumazet
2013-04-24 23:54 ` David Miller
2013-04-25 10:57 ` Jesper Dangaard Brouer
2013-04-25 19:13 ` David Miller
2013-04-24 15:48 ` [net-next PATCH 4/4] net: frag LRU list per CPU Jesper Dangaard Brouer
2013-04-25 0:25 ` Eric Dumazet
2013-04-25 2:05 ` Eric Dumazet
2013-04-25 14:06 ` Jesper Dangaard Brouer
2013-04-25 14:37 ` Eric Dumazet
2013-04-25 13:59 ` Jesper Dangaard Brouer
2013-04-25 14:10 ` Eric Dumazet
2013-04-25 14:18 ` Eric Dumazet
2013-04-25 19:15 ` Jesper Dangaard Brouer
2013-04-25 19:22 ` Eric Dumazet
2013-04-24 16:21 ` [net-next PATCH 0/4] net: frag patchset for fixing LRU scalabilityissue David Laight
2013-04-25 11:39 ` Jesper Dangaard Brouer
2013-04-25 12:57 ` David Laight
2013-04-24 17:27 ` [net-next PATCH 0/4] net: frag patchset for fixing LRU scalability issue Hannes Frederic Sowa
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