From: Denys Fedoryshchenko <nuclearcat@nuclearcat.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>,
netdev-owner@vger.kernel.org
Subject: Re: HTB going crazy over ~5Gbit/s (4.12.9, but problem present in older kernels as well)
Date: Wed, 13 Sep 2017 18:56:52 +0300 [thread overview]
Message-ID: <33c45cf6c5a52498f45132d29d86bc3d@nuclearcat.com> (raw)
In-Reply-To: <1505317903.15310.167.camel@edumazet-glaptop3.roam.corp.google.com>
On 2017-09-13 18:51, Eric Dumazet wrote:
> On Wed, 2017-09-13 at 18:20 +0300, Denys Fedoryshchenko wrote:
>> Hi,
>>
>> I noticed after increasing bandwidth over some amount HTB started to
>> throttle classes it should not throttle.
>> Also estimated rate in htb totally wrong, while byte counters is
>> correct.
>>
>> Is there any overflow or something?
>
> Thanks Denys for the report, I will take a look at this, since I
> probably introduced some regression.
It's definitely not something recent, this system was on older kernel
with uptime over 200 days, and this bottleneck was present, i noticed it
long time before.
But never tried to remove estimators (increasing burst/cburst to insane
values saved me for a while).
prev parent reply other threads:[~2017-09-13 15:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-13 15:20 HTB going crazy over ~5Gbit/s (4.12.9, but problem present in older kernels as well) Denys Fedoryshchenko
2017-09-13 15:34 ` Denys Fedoryshchenko
2017-09-13 16:16 ` Eric Dumazet
2017-09-13 16:27 ` Denys Fedoryshchenko
2017-09-13 16:42 ` Eric Dumazet
2017-09-13 16:55 ` Eric Dumazet
2017-09-13 17:12 ` Denys Fedoryshchenko
2017-09-13 17:20 ` Eric Dumazet
2017-09-13 17:35 ` Denys Fedoryshchenko
2017-09-13 17:58 ` Eric Dumazet
2017-09-13 18:03 ` Eric Dumazet
2017-09-13 18:16 ` [PATCH net] net_sched: gen_estimator: fix scaling error in bytes/packets samples Eric Dumazet
2017-09-13 20:34 ` David Miller
2017-09-13 15:51 ` HTB going crazy over ~5Gbit/s (4.12.9, but problem present in older kernels as well) Eric Dumazet
2017-09-13 15:56 ` Denys Fedoryshchenko [this message]
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