Date: Sun, 21 Jul 2013 13:52:57 -0500 From: Scott Long <scottl@netflix.com> To: Adrian Chadd <adrian@freebsd.org> Cc: Barney Cordoba <barney_cordoba@yahoo.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: LACP LAGG device problems Message-ID: <541D7415-70A4-4374-8B8D-FD80A2F03208@netflix.com> In-Reply-To: <CAJ-VmonBC6f9u3HihEn0SR5pfhUbksY4mG_cmsjjM4iiBXXocw@mail.gmail.com> References: <53315.1374329071.4500971523820617728@ffe15.ukr.net> <1374411800.11157.YahooMailBasic@web121604.mail.ne1.yahoo.com> <CAJ-VmonzT1o=AkWnZVmh5qTUA68RP2vpn=%2BtNyoeYqgS5xjV2w@mail.gmail.com> <1374423821.78377.YahooMailNeo@web121604.mail.ne1.yahoo.com> <CAJ-VmonBC6f9u3HihEn0SR5pfhUbksY4mG_cmsjjM4iiBXXocw@mail.gmail.com>
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Adrian, you're killing my spam filter! But yes, our use of FreeBSD at Netflix is hardly a science project. Http://openconnect.netflix.com Scott On Jul 21, 2013, at 1:31 PM, Adrian Chadd <adrian@freebsd.org> wrote: > Barney, > > I now work at netflix. We push >10gig per box. I'm working on making > that much, much more than 10gig. It's not a "science project." > > sheesh. :-) > > > > -adrian > > On 21 July 2013 09:23, Barney Cordoba <barney_cordoba@yahoo.com> wrote: >> I wasn't referring to science projects. Nor did I say it wasn't useful. >> Only that 10g is cheap now and quite a bit better. LAGG isn't perfect. >> >> >> ----- Original Message ----- >> From: Adrian Chadd <adrian@freebsd.org> >> To: Barney Cordoba <barney_cordoba@yahoo.com> >> Cc: freebsd-net@freebsd.org; isp <mline@ukr.net> >> Sent: Sunday, July 21, 2013 9:49 AM >> Subject: Re: LACP LAGG device problems >> >> Hah! >> >> I'm pushing 20GE out using lagg right now (and fixing the er, amusing >> behaviour of doing so.) I'm aiming to hit 40 once I get hardware that >> doesn't get upset pushing that many bits. The netops people at ${JOB} >> also point out that even today switches occasionally get confused and >> "crash" a switchport. Ew. >> >> So yes, there are people using lagg, both for failover and throughput reasons. >> >> I'm working on debugging/statistics right now as part of general "why >> are things behaving crappy" debugging. I'll see about improving some >> of the peer reporting at the same time. >> >> >> >> -adrian >> >> On 21 July 2013 06:03, Barney Cordoba <barney_cordoba@yahoo.com> wrote: >>> >>> -------------------------------------------- >>> On Sat, 7/20/13, isp <mline@ukr.net> wrote: >>> >>> Subject: LACP LAGG device problems >>> To: freebsd-net@freebsd.org >>> Date: Saturday, July 20, 2013, 10:04 AM >>> >>> >>> >>> >>> Hi! Can anybody tell me, is there any plans to improve >>> LAGG(802.3ad) >>> device driver in FreeBSD? >>> It will be greate to have a possibility to set LACP mode >>> (active/passive) >>> and system priority. >>> Also there is no way to set hashing algorithm and master >>> interface >>> (port). >>> And we can't see any information about our neighbor. >>> The same function in Linux is named Bonding and it is much >>> more better. >>> I realy can donate some money to those who can make this >>> improvements. >>> Best regards. >>> >>> _______________________________________________ >>> >>> Why are you using LAGG when 10g cards are like $350? It's not >>> a peering protocol nor it is PTP; can you see your "peer" info on >>> an ethernet? >>> >>> Bonding is a late 90s concept designed to connect 2 slow links to >>> get higher speeds, back in the day when 100Mb/s was ambitious. >>> The point of LAGG is that it's transparent; you can load balance >>> traffic to multiple hosts or create a redundant link without having >>> to have equipment running some special applications, or any special >>> logic above the LAGG device. >>> >>> Describing how you are using LAGG (and why) might be better >>> than just asking for "improvements". >>> >>> BC >>> >>> _______________________________________________ >>> freebsd-net@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-net >>> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
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