On 28/12/13 03:45, Fred Stratton wrote: > fq_codel, with the specified target, shows great promise. fq_codel > used to be much worse, in that it was not possible to download files, > say an iso of ubuntu 13.10, and watch streaming flash video. This now > works. I shall also try nfq_codel with the 25ms egress target, > > > On 28/12/13 01:14, Dave Taht wrote: >> >> I note that nfq codel (which is closer to sfq in outlook than fq >> codel (more like drr)) might be better in fred's case. But I'd hope >> for his bandwidth and workload (mostly movies) the larger target will >> compensate for the problems he'd had. But I don't know so... >> >> In the interest of science... >> >> I would certainly like a few days subjective non benchmark testing vs >> a vs pie from more people. Certainly I can "feel" a difference of fq >> codel vs pie. (Either are massively better than current cable >> modems) videoconferencing, telephony, movies, games, web browsing... >> >> Anybody else willing to spend a week on pie? It is what is mandated >> to be in docsis 3.1 (probably with a 10ms target) >> >> On Dec 27, 2013 4:07 PM, "Sebastian Moeller" > > wrote: >> >> Hi Fred, >> >> >> On Dec 27, 2013, at 21:20 , Fred Stratton >> wrote: >> >> > I guessed input into Dangerous options was required, but was >> unsure of the syntax. Quite how /etc/config/sqm is read is >> another matter to be addressed over ssh. >> > >> > I shall paste all in one email response, for you to rearrange >> at the other end. Both use simple.qos. >> > >> > With pie: >> > >> > tc -d qdisc >> > qdisc fq_codel a: dev se00 root refcnt 2 limit 1000p flows 1024 >> quantum 1000 target 5.0ms interval 100.0ms ecn >> > qdisc htb 1: dev ge00 root refcnt 2 r2q 10 default 12 >> direct_packets_stat 6 ver 3.17 >> > linklayer atm overhead 18 mtu 2047 tsize 128 >> > qdisc pie 110: dev ge00 parent 1:11 limit 1000p target 25000 >> tupdate 30000 alpha 2 beta 20 >> > qdisc pie 120: dev ge00 parent 1:12 limit 1000p target 25000 >> tupdate 30000 alpha 2 beta 20 >> > qdisc pie 130: dev ge00 parent 1:13 limit 1000p target 25000 >> tupdate 30000 alpha 2 beta 20 >> > qdisc ingress ffff: dev ge00 parent ffff:fff1 ---------------- >> > qdisc htb 1: dev ifb0 root refcnt 2 r2q 10 default 12 >> direct_packets_stat 0 ver 3.17 >> > linklayer atm overhead 18 mtu 2047 tsize 128 >> > qdisc pie 110: dev ifb0 parent 1:11 limit 1000p target 20000 >> tupdate 30000 alpha 2 beta 20 ecn >> > qdisc pie 120: dev ifb0 parent 1:12 limit 1000p target 20000 >> tupdate 30000 alpha 2 beta 20 ecn >> > qdisc pie 130: dev ifb0 parent 1:13 limit 1000p target 20000 >> tupdate 30000 alpha 2 beta 20 ecn >> > qdisc mq 1: dev sw10 root >> > qdisc fq_codel 10: dev sw10 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev sw10 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev sw10 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev sw10 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc mq 1: dev sw00 root >> > qdisc fq_codel 10: dev sw00 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev sw00 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev sw00 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev sw00 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc mq 1: dev gw00 root >> > qdisc fq_codel 10: dev gw00 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev gw00 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev gw00 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev gw00 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc mq 1: dev gw10 root >> > qdisc fq_codel 10: dev gw10 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev gw10 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev gw10 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev gw10 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc fq_codel a: dev pppoe-ge00 root refcnt 2 limit 1000p >> flows 1024 quantum 1000 target 5.0ms interval 100.0ms ecn >> > >> > >> > tc class show dev ge00 >> > class htb 1:11 parent 1:1 leaf 110: prio 1 rate 128000bit ceil >> 316000bit burst 1600b cburst 1599b >> > class htb 1:1 root rate 950000bit ceil 950000bit burst 1599b >> cburst 1599b >> > class htb 1:10 parent 1:1 prio 0 rate 950000bit ceil 950000bit >> burst 1599b cburst 1599b >> > class htb 1:13 parent 1:1 leaf 130: prio 3 rate 158000bit ceil >> 934000bit burst 1599b cburst 1599b >> > class htb 1:12 parent 1:1 leaf 120: prio 2 rate 158000bit ceil >> 934000bit burst 1599b cburst 1599b >> > >> > with fq_codel, and 25ms target: >> > >> > tc -d qdisc >> > qdisc fq_codel a: dev se00 root refcnt 2 limit 1000p flows 1024 >> quantum 1000 target 5.0ms interval 100.0ms ecn >> > qdisc htb 1: dev ge00 root refcnt 2 r2q 10 default 12 >> direct_packets_stat 9 ver 3.17 >> > linklayer atm overhead 18 mtu 2047 tsize 128 >> > qdisc fq_codel 110: dev ge00 parent 1:11 limit 1000p flows 1024 >> quantum 300 target 25.0ms interval 100.0ms >> > qdisc fq_codel 120: dev ge00 parent 1:12 limit 1000p flows 1024 >> quantum 300 target 25.0ms interval 100.0ms >> > qdisc fq_codel 130: dev ge00 parent 1:13 limit 1000p flows 1024 >> quantum 300 target 25.0ms interval 100.0ms >> >> Great, so this worked okay, all three fq_codels on ge00 >> (egress) have an interval of 25ms, just as the Doctor (aka, Dave) >> ordered :). Does this help to get fq_codel subjectively judged >> performance to be equal to pie? >> >> Best >> Sebastian >> >> >> >> > qdisc ingress ffff: dev ge00 parent ffff:fff1 ---------------- >> > qdisc htb 1: dev ifb0 root refcnt 2 r2q 10 default 12 >> direct_packets_stat 0 ver 3.17 >> > linklayer atm overhead 18 mtu 2047 tsize 128 >> > qdisc fq_codel 110: dev ifb0 parent 1:11 limit 1000p flows 1024 >> quantum 500 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 120: dev ifb0 parent 1:12 limit 1000p flows 1024 >> quantum 1500 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 130: dev ifb0 parent 1:13 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc mq 1: dev sw00 root >> > qdisc fq_codel 10: dev sw00 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev sw00 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev sw00 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev sw00 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc mq 1: dev sw10 root >> > qdisc fq_codel 10: dev sw10 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev sw10 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev sw10 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev sw10 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc mq 1: dev gw00 root >> > qdisc fq_codel 10: dev gw00 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev gw00 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev gw00 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev gw00 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc mq 1: dev gw10 root >> > qdisc fq_codel 10: dev gw10 parent 1:1 limit 800p flows 1024 >> quantum 500 target 10.0ms interval 100.0ms >> > qdisc fq_codel 20: dev gw10 parent 1:2 limit 800p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 30: dev gw10 parent 1:3 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms ecn >> > qdisc fq_codel 40: dev gw10 parent 1:4 limit 1000p flows 1024 >> quantum 300 target 5.0ms interval 100.0ms >> > qdisc fq_codel a: dev pppoe-ge00 root refcnt 2 limit 1000p >> flows 1024 quantum 1000 target 5.0ms interval 100.0ms ecn >> > >> > >> > tc class show dev ge00 >> > class htb 1:11 parent 1:1 leaf 110: prio 1 rate 128000bit ceil >> 316000bit burst 1600b cburst 1599b >> > class htb 1:1 root rate 950000bit ceil 950000bit burst 1599b >> cburst 1599b >> > class htb 1:10 parent 1:1 prio 0 rate 950000bit ceil 950000bit >> burst 1599b cburst 1599b >> > class htb 1:13 parent 1:1 leaf 130: prio 3 rate 158000bit ceil >> 934000bit burst 1599b cburst 1599b >> > class htb 1:12 parent 1:1 leaf 120: prio 2 rate 158000bit ceil >> 934000bit burst 1599b cburst 1599b >> > class fq_codel 110:2c9 parent 110: >> > class fq_codel 120:1a5 parent 120: >> > class fq_codel 120:31f parent 120: >> > >> > >> > >> > On 27/12/13 19:49, Dave Taht wrote: >> >> >> >> Pie has a default latency target of 20ms, fq codel 5ms. (But >> the fq code target matters less as the target only applies to >> queue building flows) >> >> >> >> A packet takes 13ms to transit the device at 1mbit. >> >> >> >> There is a change to fq codel in this release that should make >> fiddling with target a low speeds less needed. (But might have >> other problems) Still a comparison at roughly the same target vs >> a vs pie in your environment would be very interesting. >> >> >> >> I suggested 25ms as a test (as pie never makes 20ms anyway) >> >> >> >> I came close to inserting a simple formula to start increasing >> the target below 4mbit in this release. >> >> >> >> On Dec 27, 2013 11:25 AM, "Sebastian Moeller" > > wrote: >> >> > >> >> > Hi Fred, >> >> > >> >> > you could try to put "target 25ms" without the quotes into >> the advanced egress options field in the "Queue Discipline" tab, >> that is exposed after checking "Show Dangerous Configuration". I >> would love to hear whether that worked or not (I am not able to >> test anything myself). Maybe posting the output of "tc -d qdisc" >> and "tc class show dev ge00" would help. Good luck… >> >> > >> >> > >> >> > Best Regards >> >> > Sebastian >> >> > >> >> > >> >> > On Dec 27, 2013, at 20:20 , Fred Stratton >> wrote: >> >> > >> >> > > I have been using pie for approximately 3 weeks. >> >> > > >> >> > > You are correct, in that the outbound speed is about 800 - >> 900 kb/s. >> >> > > >> >> > > I shall try what you suggest, but do not know how to >> express the target of 25 ms as a configuration option. >> >> > > >> >> > > >> >> > > On 27/12/13 19:15, Dave Taht wrote: >> >> > >> Dear fred: are you sticking with pie? I was going to >> suggest you try fq codel with a target 25ms on your outbound. >> (You are at 800kbit or so as best I recall?) >> >> > >> >> >> > >> On Dec 27, 2013 11:10 AM, "Fred Stratton" >> wrote: >> >> > >> I upgraded to 3.10.24-8 on 2013-12-23. >> >> > >> >> >> > >> I modified /etc/fixdaemons, adding >> >> > >> /etc/init.d/sqm restart >> >> > >> >> >> > >> input the appropriate sqm settings, transcribed from aqm >> >> > >> >> >> > >> rebooted >> >> > >> >> >> > >> and the build works very well. For ADSL2+ here, it is the >> best so far. >> >> > >> >> >> > >> >> >> > >> On 27/12/13 18:55, Dave Taht wrote: >> >> > >>> A race condition appears to have crept in... >> >> > >>> >> >> > >>> ---------- Forwarded message ---------- >> >> > >>> From: "Dave Taht" > > >> >> > >>> Date: Dec 27, 2013 10:47 AM >> >> > >>> Subject: Re: [Cerowrt-devel] CeroWrt 3.10.24-8 badly >> bloated? >> >> > >>> To: "Richard E. Brown" > > >> >> > >>> Cc: >> >> > >>> >> >> > >>> Probably didn't start sqm properly >> >> > >>> >> >> > >>> Restart it by hand via /etc/init.d/sqm restart >> >> > >>> >> >> > >>> tc -s qdisc show dev ge00 >> >> > >>> >> >> > >>> Should show htb and fq codel. >> >> > >>> >> >> > >>> On Dec 27, 2013 10:36 AM, "Rich Brown" >> > wrote: >> >> > >>> So I screwed up my courage and replaced my 3.10.18-? >> firmware in my primary router with 3.10.24-8. That version had >> worked well as a secondary, so I figured, What the heck… Let’s >> give it try. >> >> > >>> >> >> > >>> The result was not pretty. I set my link speeds in the >> SQM page, chose the defaults for the Queue Discipline tab, and >> link layer to ATM with no additional overhead for my DSL link. >> >> > >>> >> >> > >>> Ping times to google are normally ~51-54 msec. But when >> I fired up speedtest.net , they jumped to >> 1500-2500 msec. Is there something I should look at before >> reverting? Thanks. >> >> > >>> >> >> > >>> Rich >> >> > >>> _______________________________________________ >> >> > >>> Cerowrt-devel mailing list >> >> > >>> Cerowrt-devel@lists.bufferbloat.net >> >> >> > >>> https://lists.bufferbloat.net/listinfo/cerowrt-devel >> >> > >>> >> >> > >>> >> >> > >>> _______________________________________________ >> >> > >>> Cerowrt-devel mailing list >> >> > >>> >> >> > >>> Cerowrt-devel@lists.bufferbloat.net >> >> >> > >>> https://lists.bufferbloat.net/listinfo/cerowrt-devel >> >> > >> >> >> > > >> >> > > _______________________________________________ >> >> > > Cerowrt-devel mailing list >> >> > > Cerowrt-devel@lists.bufferbloat.net >> >> >> > > https://lists.bufferbloat.net/listinfo/cerowrt-devel >> >> > >> > >> >