[tor-bugs] #24716 [Core Tor/DirAuth]: Try cranking up cbttestfreq consensus param, to see if it helps the current overload

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Dec 31 00:52:16 UTC 2017


#24716: Try cranking up cbttestfreq consensus param, to see if it helps the current
overload
------------------------------+------------------------
 Reporter:  arma              |          Owner:  (none)
     Type:  task              |         Status:  new
 Priority:  Medium            |      Milestone:
Component:  Core Tor/DirAuth  |        Version:
 Severity:  Normal            |     Resolution:
 Keywords:                    |  Actual Points:
Parent ID:                    |         Points:
 Reviewer:                    |        Sponsor:
------------------------------+------------------------

Comment (by teor):

 On 4/5 of my OVH relays in France (all guards), this appears to have
 halved the number of NTor circuits as of Dec 22/23 local time. The other
 one (radia0) was underloaded before the change, and maintained a similar
 load.

 Note that these relays likely have very good connectivity to these new Tor
 clients, many of which are at OVH somewhere in France.

 https://atlas.torproject.org/#search/radia

 {{{
 $ grep "Circuit handshake" /var/log/tor-instances/*/log | grep "Dec 2" |
 cut -d/ -f5- | cut -d" " -f1-3,11-
 radia0/log:Dec 20 03:50:24.000 106059/107947 TAP, 4271236/4296375 NTor.
 radia0/log:Dec 20 09:50:22.000 895688/947019 TAP, 3263236/3302609 NTor.
 radia0/log:Dec 20 15:50:22.000 65908/65911 TAP, 3864864/3880543 NTor.
 radia0/log:Dec 20 21:50:22.000 112842/122434 TAP, 3912074/4018827 NTor.
 radia0/log:Dec 21 05:15:51.000 254465/269080 TAP, 3413052/3504274 NTor.
 radia0/log:Dec 21 11:15:46.000 174919/187939 TAP, 2891613/2933743 NTor.
 radia0/log:Dec 21 17:15:46.000 289248/305166 TAP, 4154550/4210506 NTor.
 radia0/log:Dec 21 23:15:46.000 402087/467902 TAP, 4360287/4579211 NTor.
 radia0/log:Dec 22 05:15:46.000 399203/420485 TAP, 4350336/4552848 NTor.
 radia0/log:Dec 22 11:15:46.000 300043/304584 TAP, 5556295/5583442 NTor.
 radia0/log:Dec 22 17:15:47.000 347702/360549 TAP, 4981746/4988214 NTor.
 radia0/log:Dec 22 23:15:46.000 822845/866806 TAP, 3722148/3767271 NTor.
 radia0/log:Dec 23 05:15:46.000 522436/547393 TAP, 2808131/2895566 NTor.
 radia0/log:Dec 23 11:15:46.000 37783/37783 TAP, 2651670/2651671 NTor.
 radia0/log:Dec 23 17:15:46.000 71538/71538 TAP, 3240451/3240457 NTor.
 radia0/log:Dec 23 23:15:46.000 853435/853609 TAP, 3222007/3222209 NTor.
 radia0/log:Dec 24 05:15:47.000 518963/541799 TAP, 3206635/3225575 NTor.
 radia0/log:Dec 24 11:15:46.000 391894/392259 TAP, 3585873/3586082 NTor.
 radia0/log:Dec 24 17:15:46.000 187107/187512 TAP, 3280086/3280249 NTor.
 radia0/log:Dec 24 23:15:46.000 226741/227733 TAP, 3397785/3403033 NTor.
 radia0/log:Dec 25 05:15:46.000 47519/47614 TAP, 2363708/2393817 NTor.
 radia0/log:Dec 25 11:15:46.000 358658/359818 TAP, 2585496/2585503 NTor.
 radia0/log:Dec 25 17:15:47.000 380189/380189 TAP, 3201905/3201911 NTor.
 radia0/log:Dec 25 23:15:47.000 567819/569850 TAP, 3828259/3858067 NTor.
 radia0/log:Dec 26 05:15:47.000 1811814/1917921 TAP, 3309816/3336049 NTor.
 radia0/log:Dec 26 11:15:47.000 370948/370948 TAP, 3476749/3476752 NTor.
 radia0/log:Dec 26 17:15:47.000 1423665/1474705 TAP, 3714381/3768300 NTor.
 radia0/log:Dec 26 23:15:47.000 96816/97383 TAP, 4170982/4249271 NTor.
 radia0/log:Dec 27 05:15:47.000 475032/481846 TAP, 3658655/3765814 NTor.
 radia0/log:Dec 27 11:15:47.000 581453/584563 TAP, 4307006/4327653 NTor.
 radia0/log:Dec 27 17:15:47.000 771062/818781 TAP, 4880358/4937947 NTor.
 radia0/log:Dec 27 23:15:47.000 803408/832857 TAP, 4540603/4644602 NTor.
 radia0/log:Dec 28 05:32:27.000 329760/342275 TAP, 2985083/3037971 NTor.
 radia0/log:Dec 28 11:32:14.000 640057/647703 TAP, 3569188/3587123 NTor.
 radia0/log:Dec 28 17:32:14.000 1074693/1082716 TAP, 4383746/4396249 NTor.
 radia0/log:Dec 28 23:32:14.000 293635/294129 TAP, 4241604/4253026 NTor.
 radia0/log:Dec 29 05:32:14.000 545425/546855 TAP, 4204893/4247948 NTor.
 radia0/log:Dec 29 11:32:14.000 600737/600775 TAP, 4264769/4268766 NTor.
 radia0/log:Dec 29 17:32:14.000 684621/695050 TAP, 4299874/4310820 NTor.
 radia0/log:Dec 29 23:32:14.000 400624/412002 TAP, 5104122/5234707 NTor.
 radia2/log:Dec 20 03:43:20.000 660033/660918 TAP, 9557927/9574297 NTor.
 radia2/log:Dec 20 09:43:19.000 615512/621624 TAP, 7343769/7383568 NTor.
 radia2/log:Dec 20 15:43:19.000 266080/266083 TAP, 8691142/8691223 NTor.
 radia2/log:Dec 20 21:43:19.000 290020/290331 TAP, 9034322/9039971 NTor.
 radia2/log:Dec 21 04:07:14.000 117711/117961 TAP, 8039416/8042975 NTor.
 radia2/log:Dec 21 10:07:02.000 639445/645115 TAP, 7181337/7192024 NTor.
 radia2/log:Dec 21 16:07:02.000 617447/630046 TAP, 8926146/8926598 NTor.
 radia2/log:Dec 21 22:07:02.000 160608/160776 TAP, 8810094/8825140 NTor.
 radia2/log:Dec 22 04:07:02.000 895347/910078 TAP, 8676374/8726419 NTor.
 radia2/log:Dec 22 10:07:02.000 428128/428128 TAP, 9402189/9402190 NTor.
 radia2/log:Dec 22 16:07:02.000 906339/906423 TAP, 9347120/9350573 NTor.
 radia2/log:Dec 22 22:07:02.000 1107819/1108533 TAP, 7763052/7769410 NTor.
 radia2/log:Dec 23 04:07:02.000 1476996/1523770 TAP, 6540293/6587865 NTor.
 radia2/log:Dec 23 10:07:02.000 206684/206692 TAP, 6397089/6397944 NTor.
 radia2/log:Dec 23 16:07:02.000 411155/411155 TAP, 5697543/5697543 NTor.
 radia2/log:Dec 23 22:07:02.000 260237/260237 TAP, 5657338/5657338 NTor.
 radia2/log:Dec 24 04:07:02.000 405525/405774 TAP, 5025989/5032176 NTor.
 radia2/log:Dec 24 10:07:02.000 762578/762979 TAP, 6846202/6847462 NTor.
 radia2/log:Dec 24 16:07:02.000 1227590/1227590 TAP, 6226857/6226857 NTor.
 radia2/log:Dec 24 22:07:02.000 1152390/1152390 TAP, 5861620/5861620 NTor.
 radia2/log:Dec 25 04:07:02.000 680941/685222 TAP, 4675610/4695253 NTor.
 radia2/log:Dec 25 10:07:02.000 876958/876958 TAP, 4360172/4360172 NTor.
 radia2/log:Dec 25 16:07:02.000 690567/690567 TAP, 4465554/4465554 NTor.
 radia2/log:Dec 25 22:07:02.000 588578/590005 TAP, 4917537/4918307 NTor.
 radia2/log:Dec 26 04:07:02.000 430968/432409 TAP, 5102578/5126839 NTor.
 radia2/log:Dec 26 10:07:02.000 412771/412771 TAP, 5021488/5021488 NTor.
 radia2/log:Dec 26 16:07:02.000 702828/702828 TAP, 9135196/9135196 NTor.
 radia2/log:Dec 26 22:07:02.000 5237422/5243242 TAP, 9006314/9008648 NTor.
 radia2/log:Dec 27 04:07:02.000 1400944/1402677 TAP, 8519342/8580996 NTor.
 radia2/log:Dec 27 10:07:02.000 965480/965495 TAP, 10148290/10148915 NTor.
 radia2/log:Dec 27 16:07:02.000 1200826/1200849 TAP, 9237722/9237722 NTor.
 radia2/log:Dec 27 22:07:02.000 925678/926293 TAP, 8625067/8629924 NTor.
 radia2/log:Dec 28 04:07:02.000 1068048/1121321 TAP, 8510027/8540205 NTor.
 radia2/log:Dec 28 10:07:02.000 1016997/1020837 TAP, 7682840/7734723 NTor.
 radia2/log:Dec 28 16:07:02.000 1411613/1411613 TAP, 7328790/7328792 NTor.
 radia2/log:Dec 28 22:07:02.000 710325/710406 TAP, 6824685/6825359 NTor.
 radia2/log:Dec 29 04:07:02.000 1236076/1296514 TAP, 7572770/7588432 NTor.
 radia2/log:Dec 29 10:07:02.000 2087193/2087193 TAP, 8105463/8105463 NTor.
 radia2/log:Dec 29 16:07:02.000 2420170/2420359 TAP, 12220365/12220367
 NTor.
 radia2/log:Dec 29 22:07:02.000 3373306/3379296 TAP, 13541421/13545804
 NTor.
 radia3/log:Dec 20 03:41:21.000 1683221/1690231 TAP, 5334317/5342813 NTor.
 radia3/log:Dec 20 09:41:19.000 1683564/1736903 TAP, 7738350/7790037 NTor.
 radia3/log:Dec 20 15:41:20.000 567387/573658 TAP, 9579935/9582605 NTor.
 radia3/log:Dec 20 21:41:19.000 150709/151039 TAP, 9943191/10047560 NTor.
 radia3/log:Dec 21 04:49:04.000 537754/563312 TAP, 8785610/8835759 NTor.
 radia3/log:Dec 21 10:48:59.000 1079922/1103831 TAP, 7603757/7650126 NTor.
 radia3/log:Dec 21 16:48:59.000 648571/668169 TAP, 17365706/17390223 NTor.
 radia3/log:Dec 21 22:48:59.000 1543537/1640100 TAP, 13162461/13325330
 NTor.
 radia3/log:Dec 22 04:48:59.000 1044331/1130595 TAP, 10466355/10599278
 NTor.
 radia3/log:Dec 22 10:48:59.000 857781/857793 TAP, 11470969/11471029 NTor.
 radia3/log:Dec 22 16:48:59.000 865998/866939 TAP, 11795200/11797239 NTor.
 radia3/log:Dec 22 22:48:59.000 425098/425363 TAP, 8865905/8892455 NTor.
 radia3/log:Dec 23 04:48:59.000 1279450/1291342 TAP, 6971472/7011294 NTor.
 radia3/log:Dec 23 10:48:59.000 2000971/2000981 TAP, 6345228/6345928 NTor.
 radia3/log:Dec 23 16:48:59.000 732162/732162 TAP, 6614799/6614799 NTor.
 radia3/log:Dec 23 22:48:59.000 1805004/1805123 TAP, 6803505/6803571 NTor.
 radia3/log:Dec 24 04:48:59.000 946949/947313 TAP, 6628231/6652590 NTor.
 radia3/log:Dec 24 10:48:59.000 1102423/1102739 TAP, 7459116/7460967 NTor.
 radia3/log:Dec 24 16:48:59.000 978599/979023 TAP, 6793693/6795690 NTor.
 radia3/log:Dec 24 22:48:59.000 1384820/1435229 TAP, 6719261/6736078 NTor.
 radia3/log:Dec 25 04:48:59.000 747395/758909 TAP, 5335033/5360782 NTor.
 radia3/log:Dec 25 10:48:59.000 907700/907701 TAP, 4926214/4926217 NTor.
 radia3/log:Dec 25 16:48:59.000 1744327/1744328 TAP, 6591431/6591469 NTor.
 radia3/log:Dec 25 22:48:59.000 1681776/1691168 TAP, 6914224/6934125 NTor.
 radia3/log:Dec 26 04:48:59.000 670844/695767 TAP, 6498931/6522652 NTor.
 radia3/log:Dec 26 10:48:59.000 308417/308417 TAP, 6826446/6826446 NTor.
 radia3/log:Dec 26 16:48:59.000 950003/963824 TAP, 8076661/8087140 NTor.
 radia3/log:Dec 26 22:48:59.000 896842/905000 TAP, 8489901/8506339 NTor.
 radia3/log:Dec 27 04:48:59.000 817936/843500 TAP, 8646337/8683423 NTor.
 radia3/log:Dec 27 10:48:59.000 688773/696081 TAP, 9692435/9714631 NTor.
 radia3/log:Dec 27 16:48:59.000 484858/490207 TAP, 8748992/8788716 NTor.
 radia3/log:Dec 27 22:48:59.000 1326916/1347857 TAP, 5416307/5458339 NTor.
 radia3/log:Dec 28 05:14:10.000 290733/292564 TAP, 4012069/4029032 NTor.
 radia3/log:Dec 28 11:13:30.000 510247/514378 TAP, 4438692/4449727 NTor.
 radia3/log:Dec 28 17:13:30.000 1421059/1421318 TAP, 5883695/5883813 NTor.
 radia3/log:Dec 28 23:13:30.000 560099/560171 TAP, 5510310/5511832 NTor.
 radia3/log:Dec 29 05:13:30.000 893870/897976 TAP, 5078319/5112083 NTor.
 radia3/log:Dec 29 11:13:30.000 556389/556389 TAP, 4930086/4930089 NTor.
 radia3/log:Dec 29 17:13:30.000 708288/710572 TAP, 5335291/5342281 NTor.
 radia3/log:Dec 29 23:13:30.000 815907/834181 TAP, 6307191/6336015 NTor.
 radia4/log:Dec 20 03:38:37.000 766863/777324 TAP, 11248102/11257141 NTor.
 radia4/log:Dec 20 09:38:36.000 287820/288167 TAP, 8627977/8665574 NTor.
 radia4/log:Dec 20 15:38:36.000 11425969/15712062 TAP, 10139774/10141172
 NTor.
 radia4/log:Dec 20 21:38:36.000 34120430/46465434 TAP, 8349899/8349954
 NTor.
 radia4/log:Dec 21 07:02:40.000 519222/519233 TAP, 7940428/7940877 NTor.
 radia4/log:Dec 21 13:02:21.000 201719/201760 TAP, 6444553/6456991 NTor.
 radia4/log:Dec 21 19:02:21.000 406162/489604 TAP, 9527839/9544297 NTor.
 radia4/log:Dec 22 01:02:21.000 5116651/5342413 TAP, 10409141/10465488
 NTor.
 radia4/log:Dec 22 07:02:21.000 3596594/3640301 TAP, 9744049/9822217 NTor.
 radia4/log:Dec 22 13:02:21.000 448180/448223 TAP, 10819817/10823676 NTor.
 radia4/log:Dec 22 19:02:21.000 203723/204142 TAP, 13173213/13231840 NTor.
 radia4/log:Dec 23 01:02:21.000 1037666/1085564 TAP, 11493356/11569557
 NTor.
 radia4/log:Dec 23 07:02:21.000 1734324/1782355 TAP, 10166732/10204764
 NTor.
 radia4/log:Dec 23 13:02:22.000 916657/916905 TAP, 10431145/10431350 NTor.
 radia4/log:Dec 23 19:02:22.000 946250/946254 TAP, 9855674/9855679 NTor.
 radia4/log:Dec 24 01:02:22.000 410858/410876 TAP, 9653145/9654128 NTor.
 radia4/log:Dec 24 07:02:22.000 1557375/1565850 TAP, 8250949/8297403 NTor.
 radia4/log:Dec 24 13:02:22.000 813499/815117 TAP, 7991608/7997885 NTor.
 radia4/log:Dec 24 19:02:22.000 1315854/1323867 TAP, 6443006/6450238 NTor.
 radia4/log:Dec 25 01:02:22.000 635393/673727 TAP, 4658596/4730211 NTor.
 radia4/log:Dec 25 07:02:22.000 816487/846851 TAP, 4448908/4490480 NTor.
 radia4/log:Dec 25 13:02:22.000 833626/833631 TAP, 6270905/6270936 NTor.
 radia4/log:Dec 25 19:02:22.000 651185/651187 TAP, 6535715/6535751 NTor.
 radia4/log:Dec 26 01:02:22.000 1059702/1095587 TAP, 5685195/5721423 NTor.
 radia4/log:Dec 26 07:02:22.000 830573/832668 TAP, 4039191/4082144 NTor.
 radia4/log:Dec 26 13:02:22.000 530167/531542 TAP, 6018797/6020610 NTor.
 radia4/log:Dec 26 19:02:22.000 657411/669503 TAP, 6327927/6337680 NTor.
 radia4/log:Dec 27 01:02:22.000 998128/1021016 TAP, 7846159/7875856 NTor.
 radia4/log:Dec 27 07:02:22.000 689437/700717 TAP, 7708472/7760894 NTor.
 radia4/log:Dec 27 13:02:22.000 319868/342063 TAP, 8516945/8556501 NTor.
 radia4/log:Dec 27 19:02:22.000 1117930/1156242 TAP, 8489667/8572742 NTor.
 radia4/log:Dec 28 01:02:22.000 946359/985999 TAP, 6851886/6938813 NTor.
 radia4/log:Dec 28 07:02:22.000 75979/76853 TAP, 2225322/2252711 NTor.
 radia4/log:Dec 28 13:02:22.000 1406352/1412449 TAP, 6753360/6759483 NTor.
 radia4/log:Dec 28 19:02:22.000 1086648/1086661 TAP, 6547486/6547597 NTor.
 radia4/log:Dec 29 01:02:22.000 169897/169930 TAP, 4013327/4015880 NTor.
 radia4/log:Dec 29 07:02:22.000 703415/704352 TAP, 3848527/3895842 NTor.
 radia4/log:Dec 29 13:02:22.000 1053456/1064367 TAP, 4011138/4013006 NTor.
 radia4/log:Dec 29 19:02:22.000 571738/575304 TAP, 4259906/4262560 NTor.
 radia5/log:Dec 20 04:42:17.000 625639/680168 TAP, 12499606/12601764 NTor.
 radia5/log:Dec 20 10:42:09.000 639229/647316 TAP, 7913425/7935506 NTor.
 radia5/log:Dec 20 16:42:09.000 485485/489836 TAP, 11272929/11275418 NTor.
 radia5/log:Dec 20 22:42:09.000 150254/155766 TAP, 5329847/5405635 NTor.
 radia5/log:Dec 21 04:47:40.000 135117/146336 TAP, 3640955/3690187 NTor.
 radia5/log:Dec 21 10:47:00.000 409902/457502 TAP, 3449731/3488725 NTor.
 radia5/log:Dec 21 16:47:00.000 55492/55532 TAP, 4525322/4554568 NTor.
 radia5/log:Dec 21 22:47:00.000 58213/58448 TAP, 4781562/4866989 NTor.
 radia5/log:Dec 22 04:47:00.000 983581/1024397 TAP, 5581354/5705240 NTor.
 radia5/log:Dec 22 10:47:00.000 1684410/1685762 TAP, 6573154/6573832 NTor.
 radia5/log:Dec 22 16:47:00.000 283610/321631 TAP, 6617820/6706928 NTor.
 radia5/log:Dec 22 22:47:00.000 376292/387936 TAP, 5305446/5348443 NTor.
 radia5/log:Dec 23 04:47:00.000 240197/250249 TAP, 4353838/4409459 NTor.
 radia5/log:Dec 23 10:47:00.000 297299/304602 TAP, 3552063/3552285 NTor.
 radia5/log:Dec 23 16:47:00.000 132848/132848 TAP, 4449669/4449677 NTor.
 radia5/log:Dec 23 22:47:00.000 351543/353151 TAP, 5498848/5500878 NTor.
 radia5/log:Dec 24 04:47:00.000 343480/344337 TAP, 4123111/4144623 NTor.
 radia5/log:Dec 24 10:47:00.000 869304/869322 TAP, 4144639/4144941 NTor.
 radia5/log:Dec 24 16:47:00.000 712096/714048 TAP, 3779441/3779537 NTor.
 radia5/log:Dec 24 22:47:00.000 794430/797457 TAP, 3733587/3738892 NTor.
 radia5/log:Dec 25 04:47:00.000 558567/566102 TAP, 3048521/3069759 NTor.
 radia5/log:Dec 25 10:47:00.000 191905/191905 TAP, 2728532/2728532 NTor.
 radia5/log:Dec 25 16:47:00.000 1374766/1376815 TAP, 3678290/3678303 NTor.
 radia5/log:Dec 25 22:47:00.000 260028/263236 TAP, 4418891/4445845 NTor.
 radia5/log:Dec 26 04:47:00.000 449802/473441 TAP, 3848575/3908236 NTor.
 radia5/log:Dec 26 10:47:00.000 240544/240545 TAP, 3423936/3423939 NTor.
 radia5/log:Dec 26 16:47:00.000 1246427/1275247 TAP, 4670074/4677581 NTor.
 radia5/log:Dec 26 22:47:00.000 793753/801380 TAP, 5168537/5176938 NTor.
 radia5/log:Dec 27 04:47:00.000 197994/199661 TAP, 4605005/4638393 NTor.
 radia5/log:Dec 27 10:47:00.000 371832/374686 TAP, 4659866/4666084 NTor.
 radia5/log:Dec 27 16:47:00.000 530631/554382 TAP, 6795980/6820455 NTor.
 radia5/log:Dec 27 22:47:00.000 530296/540786 TAP, 6368716/6406793 NTor.
 radia5/log:Dec 28 05:21:41.000 152554/154468 TAP, 4700944/4747448 NTor.
 radia5/log:Dec 28 11:20:53.000 256750/258048 TAP, 12697675/12704008 NTor.
 radia5/log:Dec 28 17:20:53.000 410466/410466 TAP, 17809179/17809179 NTor.
 radia5/log:Dec 28 23:20:53.000 439896/439896 TAP, 28112581/28112581 NTor.
 radia5/log:Dec 29 05:20:53.000 262653/262717 TAP, 19072085/19139791 NTor.
 radia5/log:Dec 29 11:20:53.000 418189/418190 TAP, 21901636/21901636 NTor.
 radia5/log:Dec 29 17:20:53.000 405224/405224 TAP, 23656096/23656098 NTor.
 radia5/log:Dec 29 23:20:53.000 409176/409268 TAP, 26345574/26349328 NTor.
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24716#comment:7>
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