From: Martin Devera <devik@cdi.cz>
To: jdb@comx.dk
Cc: "David S. Miller" <davem@davemloft.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH 0/2] HTB scheduler HTB_HYSTERESIS modifications
Date: Sat, 14 Jun 2008 11:18:00 +0200 [thread overview]
Message-ID: <48538CC8.9020706@cdi.cz> (raw)
In-Reply-To: <1213264875.29292.17.camel@localhost.localdomain>
> I have now tested/deployed the patches on two production servers.
>
> Conclusion is: It should be safe to apply these patches.
>
> See full report here:
> http://people.netfilter.org/hawk/patches/htb_nohyst/production_test_results.html
>
> We saw an increased number of interrupts on the test system, when
> enabling/disabling htb_hysteresis.
>
> This didn't show up on the production system.
>
> I believe that the increased intr (on test system) is an artifact of the
> TCP download got less bursty and more smooth.
Which reminds me again, maybe after some time with hysteresis=off we
could remove it altogether...
Sorry for the delay, I got some flu or what. On my smaller dualcore
system there is also no noticeable (performance) impact.
I ACK Jesper's patches, thanks for the work and real-world testing!
Martin
next prev parent reply other threads:[~2008-06-14 9:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-03 14:03 [PATCH 0/2] HTB scheduler HTB_HYSTERESIS modifications Jesper Dangaard Brouer
2008-06-03 14:05 ` [PATCH 1/2] HTB scheduler, change default hysteresis mode to off Jesper Dangaard Brouer
2008-06-03 14:06 ` [PATCH 2/2] Change HTB_HYSTERESIS to a runtime parameter htb_hysteresis Jesper Dangaard Brouer
2008-06-04 13:05 ` [PATCH 0/2] HTB scheduler HTB_HYSTERESIS modifications Martin Devera
2008-06-04 14:28 ` Jesper Dangaard Brouer
2008-06-04 15:31 ` Martin Devera
2008-06-12 10:01 ` Jesper Dangaard Brouer
2008-06-14 9:18 ` Martin Devera [this message]
2008-06-16 23:40 ` David Miller
2008-06-17 1:00 ` Denys Fedoryshchenko
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