From: "Toke Høiland-Jørgensen" <notifications@github.com> To: tohojo/flent <flent@noreply.github.com> Cc: Comment <comment@noreply.github.com>, flent-users <flent-users@flent.org> Subject: Re: [Flent-users] [tohojo/flent] packet loss stats (#106) Date: Fri, 17 Nov 2017 14:58:02 +0000 (UTC) [thread overview] Message-ID: <tohojo/flent/issues/106/345266203@github.com> (raw) In-Reply-To: <tohojo/flent/issues/106@github.com> [-- Attachment #1.1: Type: text/plain, Size: 2359 bytes --] Pete Heist <notifications@github.com> writes: > The `-n` and `-timeouts` parameters have been added to the client, and are documented in the usage. Quick examples: > > ``` > tron:~/src/github.com/peteheist/irtt:% ./irtt client -timeouts 250ms,500ms,1s,2s -n 127.0.0.2 > [Connecting] connecting to 127.0.0.2 > Error: no reply from server > tron:~/src/github.com/peteheist/irtt:% echo $? > 1 > tron:~/src/github.com/peteheist/irtt:% ./irtt client -timeouts 250ms,500ms,1s,2s -n 127.0.0.1 > [Connecting] connecting to 127.0.0.1 > [Connected] connected to 127.0.0.1:2112 > [NoTest] skipping test at user request > tron:~/src/github.com/peteheist/irtt:% echo $? > 0 > ``` Awesome! > I don't know how aggressive you want to go on open packet timeouts, > but I set a minimum at 200ms so users won't be as tempted to abuse > public servers. Default Linux TCP syn timeout looks to be hardcoded at > 3s,6s,12s, etc. I think our default of 1s,2s,4s,8s is fine in this day > and age. In flent, I think 250ms,500ms,1s,2s would be one way of being > pretty sure whether a server is running or not in a reasonable amount > of time (3.75s), but I don't know what actual the time constraints > are. I don't want to spend more than one second probing, so 250ms,500ms will have to do. > I took a quick look at the irtt runner in flent. Looks good, my only > comment is that `-fill rand` and `-fillall` aren't necessary because > there's no payload (whose length would be specified with `-l`). Seeing > that though made me add a micro-optimization to not call Read with an > empty slice on the Filler when there's no payload requested. So if you > want to leave those params in anticipation of using `-l` later, it's > probably fine. Yeah, was mirroring what I'm doing with netperf. Haven't thought about adding knobs yet, but setting the lengths seems useful. > That makes me think, any reason we can't use irtt for the voip tests? > There could be tests simulating some different codecs with different > intervals and payload lengths, if we wanted: That would be awesome! D-ITG is awful to setup, so having a replacement for that would be good :) -Toke -- You are receiving this because you commented. Reply to this email directly or view it on GitHub: https://github.com/tohojo/flent/issues/106#issuecomment-345266203 [-- Attachment #1.2: Type: text/html, Size: 6700 bytes --] [-- Attachment #2: Type: text/plain, Size: 151 bytes --] _______________________________________________ Flent-users mailing list Flent-users@flent.org http://flent.org/mailman/listinfo/flent-users_flent.org
next prev parent reply other threads:[~2017-11-17 14:58 UTC|newest] Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <tohojo/flent/issues/106@github.com> 2017-09-26 9:41 ` Toke Høiland-Jørgensen 2017-09-26 18:35 ` Toke Høiland-Jørgensen 2017-10-10 9:08 ` Toke Høiland-Jørgensen 2017-10-15 17:18 ` Toke Høiland-Jørgensen 2017-10-16 15:54 ` Toke Høiland-Jørgensen 2017-10-31 11:12 ` Toke Høiland-Jørgensen 2017-10-31 12:02 ` Toke Høiland-Jørgensen 2017-11-16 9:57 ` Toke Høiland-Jørgensen 2017-11-16 12:15 ` Toke Høiland-Jørgensen 2017-11-16 12:17 ` Toke Høiland-Jørgensen 2017-11-16 12:48 ` Toke Høiland-Jørgensen 2017-11-16 13:07 ` Toke Høiland-Jørgensen 2017-11-16 13:18 ` Toke Høiland-Jørgensen 2017-11-16 14:47 ` Toke Høiland-Jørgensen 2017-11-16 18:09 ` Toke Høiland-Jørgensen 2017-11-16 18:11 ` Toke Høiland-Jørgensen 2017-11-17 14:58 ` Toke Høiland-Jørgensen [this message] 2017-11-18 13:04 ` Toke Høiland-Jørgensen [not found] ` <tohojo/flent/issues/106/345442147@github.com> 2017-11-18 19:07 ` Dave Taht 2017-11-20 12:11 ` Toke Høiland-Jørgensen 2017-11-20 13:21 ` Toke Høiland-Jørgensen 2017-11-20 21:14 ` Dave Taht 2017-11-20 21:44 ` Dave Taht 2017-11-20 16:01 ` Toke Høiland-Jørgensen 2017-11-20 20:58 ` Toke Høiland-Jørgensen 2017-11-21 10:36 ` Toke Høiland-Jørgensen 2017-11-21 14:53 ` Toke Høiland-Jørgensen 2017-11-21 21:56 ` Toke Høiland-Jørgensen 2017-11-22 7:49 ` Toke Høiland-Jørgensen 2017-11-22 12:03 ` Toke Høiland-Jørgensen 2017-11-22 12:05 ` Toke Høiland-Jørgensen 2017-11-22 12:06 ` Toke Høiland-Jørgensen 2017-11-22 13:34 ` Toke Høiland-Jørgensen 2017-11-22 21:57 ` Toke Høiland-Jørgensen [not found] ` <tohojo/flent/issues/106/332043470@github.com> 2017-11-26 16:49 ` Matthias Tafelmeier
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