From: Lee Revell <rlrevell@joe-job.com>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Linus Torvalds <torvalds@osdl.org>,
linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Dipankar Sarma <dipankar@in.ibm.com>,
"Paul E. McKenney" <paulmck@us.ibm.com>,
Manfred Spraul <manfred@colorfullife.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH, RFC] RCU : OOM avoidance and lower latency
Date: Fri, 06 Jan 2006 14:24:07 -0500 [thread overview]
Message-ID: <1136575448.17979.55.camel@mindpipe> (raw)
In-Reply-To: <43BE43B6.3010105@cosmosbay.com>
On Fri, 2006-01-06 at 11:17 +0100, Eric Dumazet wrote:
> I have some servers that once in a while crashes when the ip route
> cache is flushed. After
> raising /proc/sys/net/ipv4/route/secret_interval (so that *no*
> flush is done), I got better uptime for these servers.
Argh, where is that documented? I have been banging my head against
this for weeks - how do I keep the kernel from flushing 4096 routes at
once in softirq context causing huge (~8-20ms) latency problems?
I tried all the route related sysctls I could find and nothing worked...
Lee
prev parent reply other threads:[~2006-01-06 19:24 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060105235845.967478000@sorel.sous-sol.org>
[not found] ` <20060106004555.GD25207@sorel.sous-sol.org>
[not found] ` <Pine.LNX.4.64.0601051727070.3169@g5.osdl.org>
2006-01-06 10:17 ` [PATCH, RFC] RCU : OOM avoidance and lower latency Eric Dumazet
2006-01-06 12:52 ` [PATCH, RFC] RCU : OOM avoidance and lower latency (Version 2), HOTPLUG_CPU fix Eric Dumazet
2006-01-06 12:58 ` [PATCH, RFC] RCU : OOM avoidance and lower latency Andi Kleen
2006-01-06 13:09 ` Eric Dumazet
2006-01-06 19:26 ` Lee Revell
2006-01-06 22:18 ` Andi Kleen
2006-01-06 13:37 ` Alan Cox
2006-01-06 14:00 ` Eric Dumazet
2006-01-06 14:45 ` Alan Cox
2006-01-06 16:47 ` Paul E. McKenney
2006-01-06 17:19 ` Eric Dumazet
2006-01-06 20:26 ` Paul E. McKenney
2006-01-06 20:33 ` David S. Miller
2006-01-06 20:57 ` Andi Kleen
2006-01-07 0:17 ` David S. Miller
2006-01-07 1:09 ` Andi Kleen
2006-01-07 7:10 ` David S. Miller
2006-01-07 7:34 ` Eric Dumazet
2006-01-07 7:44 ` David S. Miller
2006-01-07 7:53 ` Eric Dumazet
2006-01-07 8:36 ` David S. Miller
2006-01-07 20:30 ` Paul E. McKenney
2006-01-07 8:30 ` Eric Dumazet
2006-01-06 19:24 ` Lee Revell [this message]
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