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From: Dave Taht <dave.taht@gmail.com>
To: Hal Murray <hmurray@megapathdsl.net>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] Graph of bloat
Date: Thu, 9 Jul 2015 08:08:53 -0700	[thread overview]
Message-ID: <CAA93jw6nOC5dVALSuFvu98NYrSDqg+tMN4fFXKv4Ca1Nd48b0A@mail.gmail.com> (raw)
In-Reply-To: <20150709100723.CB767406057@ip-64-139-1-69.sjc.megapath.net>

>> Judging from that graphic... I don't think huff and puff was designed for
>> the bufferbloated era! so the question remains, in hal's tests, did ntp
>> adjust the clock backwards?
>
> No.  The system that collected that data was getting time from a good local GPS clock.  It helps to have a place to stand if you want to collect time data.
>
> Here is a typical pattern from a system using the pool without any huff-n-puff while I did a big download.
>  8 Jul 22:02:17 ntpd[26705]: 0.0.0.0 061c 0c clock_step -0.259747 s
>  8 Jul 23:06:24 ntpd[26705]: 0.0.0.0 061c 0c clock_step +0.274448 s

OK, so, out there, on the billions of machines that dnsmasq runs on,
some are crashing when this happens.

I don't think I am satisified with the solutions.

http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q3/009701.html


>
>
> --
> These are my opinions.  I hate spam.
>
>
>



-- 
Dave Täht
worldwide bufferbloat report:
http://www.dslreports.com/speedtest/results/bufferbloat
And:
What will it take to vastly improve wifi for everyone?
https://plus.google.com/u/0/explore/makewififast

      parent reply	other threads:[~2015-07-09 15:08 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-08 10:23 Hal Murray
2015-07-08 15:55 ` Dave Taht
2015-07-08 16:11   ` Jan Ceuleers
2015-07-08 16:29     ` Jan Ceuleers
2015-07-08 19:09       ` Alan Jenkins
2015-07-08 16:32     ` Dave Taht
2015-07-09 10:08       ` Jan Ceuleers
2015-07-08 17:53   ` Rich Brown
2015-07-09 10:07   ` Hal Murray
2015-07-09 10:55     ` Sebastian Moeller
2015-07-09 18:27       ` Hal Murray
2015-07-09 15:08     ` Dave Taht [this message]

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