From: Rich Brown <notifications@github.com>
To: tohojo/flent <flent@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Subject: Re: [Flent-users] [tohojo/flent] Charting ping_hosts (#181)
Date: Wed, 11 Sep 2019 09:12:40 -0700 [thread overview]
Message-ID: <tohojo/flent/issues/181/530452637@github.com> (raw)
In-Reply-To: <tohojo/flent/issues/181@github.com>
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Actually, I want the ability to plot the "best"`ping_host` (that is, lowest latency host), since that's going to display the biggest variance. A few milliseconds of additional bloat added to the 90msec from my house to Fremont is easy to ignore. Tacking a few milliseconds onto 16msec from Cloudflare's DNS shows a significant delta - and worth reporting.
For example, here are ping times for various hosts from my house and (in paren's from netperf.bufferbloat.net in Atlanta):
* flent-fremont.bufferbloat.net ~90msec (~53msec)
* netperf.bufferbloat.net ~40msec (~30 microseconds - Duh :-)
* gstatic.com and 8.8.8.8 (Google's all-purpose host and DNS) is ~21-22msec (~15msec)
* Cloudflare's 1.1.1.1 (anycast address, I suspect) is ~16msec (< 300 microseconds)
So my preference would be to have a way to tell Flent to use ping times from another host besides the -H host.
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next prev parent reply other threads:[~2019-09-11 16:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-10 15:39 Rich Brown
2019-09-11 11:54 ` Rich Brown
2019-09-11 12:05 ` Rich Brown
2019-09-11 12:07 ` Toke Høiland-Jørgensen
2019-09-11 12:17 ` Rich Brown
2019-09-11 15:15 ` Toke Høiland-Jørgensen
2019-09-11 16:12 ` Rich Brown [this message]
2019-09-11 17:27 ` Toke Høiland-Jørgensen
2019-09-11 18:13 ` Rich Brown
2019-09-13 16:27 ` Toke Høiland-Jørgensen
2019-09-13 17:13 ` Rich Brown
2019-09-13 22:01 ` Toke Høiland-Jørgensen
2019-09-14 1:45 ` Rich Brown
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