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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:35:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:35:11 +0000
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parentInitial commit. (diff)
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Adding upstream version 2.6.12.upstream/2.6.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+These are the result of tests conducted to determine efficacy of hashing
+algorithms and avalache application in haproxy. All results below were
+generated using version 1.5. See the document on hashing under internal docs
+for a detailed description on the tests the methodology and interpretation
+of the results.
+
+The following was the set up used
+
+(a) hash-type consistent/map-bases
+(b) avalanche on/off
+(c) balanche host(hdr)
+(d) 3 criteria for inputs
+ - ~ 10K requests, including duplicates
+ - ~ 46K requests, unique requests from 1 MM requests were obtained
+ - ~ 250K requests, including duplicates
+(e) 17 servers in backend, all servers were assigned the same weight
+
+The results can be interpreted across 3 dimensions corresponding to input
+criteria (a)/(b) and (d) above
+
+== 10 K requests ==
+
+=== Consistent with avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 576 637 592
+2 552 608 600
+3 539 559 551
+4 578 586 493
+5 534 555 549
+6 614 607 576
+7 519 556 554
+8 591 565 607
+9 529 604 575
+10 642 550 678
+11 537 591 506
+12 568 571 567
+13 589 606 572
+14 648 568 711
+15 645 557 603
+16 583 627 591
+17 699 596 618
+-----------------------------
+Std Dev 48.95 26.29 51.75
+
+=== Consistent without avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 612 627 579
+2 631 607 563
+3 585 605 604
+4 594 502 518
+5 583 526 602
+6 589 594 555
+7 591 602 511
+8 518 540 623
+9 550 519 523
+10 600 637 647
+11 568 536 550
+12 552 605 645
+13 547 556 564
+14 615 674 635
+15 642 624 618
+16 575 585 609
+17 591 604 597
+-----------------------------
+Std Dev 30.71 45.97 42.52
+
+=== Map based without avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 602 560 598
+2 576 583 583
+3 579 624 593
+4 608 587 551
+5 579 549 588
+6 582 560 590
+7 553 616 562
+8 568 600 551
+9 594 607 620
+10 574 611 635
+11 578 607 603
+12 563 581 547
+13 604 531 572
+14 621 606 618
+15 600 561 602
+16 555 570 585
+17 607 590 545
+-----------------------------
+Std Dev 19.24 25.56 26.29
+
+=== Map based with avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+Servers SDBM DJB2 WT6
+1 548 641 597
+2 612 563 655
+3 596 536 595
+4 609 574 537
+5 586 610 570
+6 600 568 562
+7 589 573 578
+8 584 549 573
+9 561 636 603
+10 607 553 603
+11 554 602 616
+12 560 577 568
+13 597 534 570
+14 597 647 570
+15 563 581 647
+16 575 647 565
+17 605 552 534
+-----------------------------
+Std Dev 20.23 37.47 32.16
+
+== Uniques in 1 MM ==
+
+=== Consistent with avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 2891 2963 2947
+2 2802 2849 2771
+3 2824 2854 2904
+4 2704 2740 2763
+5 2664 2699 2646
+6 2902 2876 2935
+7 2829 2745 2730
+8 2648 2768 2800
+9 2710 2741 2689
+10 3070 3111 3106
+11 2733 2638 2589
+12 2828 2866 2885
+13 2876 2961 2870
+14 3090 2997 3044
+15 2871 2879 2827
+16 2881 2727 2921
+17 2936 2845 2832
+-----------------------------
+Std Dev 121.66 118.59 131.61
+
+=== Consistent without avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 2879 2930 2863
+2 2835 2856 2853
+3 2875 2741 2899
+4 2720 2718 2761
+5 2703 2754 2689
+6 2848 2901 2925
+7 2829 2756 2838
+8 2761 2779 2805
+9 2719 2671 2746
+10 3015 3176 3079
+11 2620 2661 2656
+12 2879 2773 2713
+13 2829 2844 2925
+14 3064 2951 3041
+15 2898 2928 2877
+16 2880 2867 2791
+17 2905 2953 2798
+-----------------------------
+Std Dev 107.65 125.2 111.34
+
+=== Map based without avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 2863 2837 2923
+2 2966 2829 2847
+3 2865 2803 2808
+4 2682 2816 2787
+5 2847 2782 2815
+6 2910 2862 2862
+7 2821 2784 2793
+8 2837 2834 2796
+9 2857 2891 2859
+10 2829 2906 2873
+11 2742 2851 2841
+12 2790 2837 2870
+13 2765 2902 2794
+14 2870 2732 2900
+15 2898 2891 2759
+16 2877 2860 2863
+17 2840 2842 2869
+-----------------------------
+Std Dev 64.65 45.16 43.38
+
+=== Map based with avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 2816 2859 2895
+2 2841 2739 2789
+3 2846 2903 2888
+4 2817 2878 2812
+5 2750 2794 2852
+6 2816 2917 2847
+7 2792 2782 2786
+8 2800 2814 2868
+9 2854 2883 2842
+10 2770 2854 2855
+11 2851 2854 2837
+12 2910 2846 2776
+13 2904 2792 2882
+14 2984 2767 2854
+15 2766 2863 2823
+16 2902 2797 2907
+17 2840 2917 2746
+-----------------------------
+Std Dev 58.39 52.16 43.72
+
+== 250K requests ==
+
+=== Consistent with avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 14182 12996 20924
+2 14881 18376 8901
+3 13537 17935 13639
+4 11031 12582 19758
+5 15429 10084 12112
+6 18712 12574 14052
+7 14271 11257 14538
+8 12048 18582 16653
+9 10570 10283 13949
+10 11683 13081 23530
+11 9288 14828 10818
+12 10775 13607 19844
+13 10036 19138 15413
+14 31903 15222 11824
+15 21276 11963 10405
+16 17233 23116 11316
+17 11437 12668 10616
+-----------------------------
+Std Dev 5355.95 3512.39 4096.65
+
+=== Consistent without avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 12411 17833 11831
+2 14213 11165 14833
+3 11431 10241 11671
+4 14080 13913 20224
+5 10886 12101 14272
+6 15168 12470 14641
+7 18802 12211 10164
+8 18678 11852 12421
+9 17468 10865 17655
+10 19801 28493 13221
+11 10885 20201 13507
+12 20419 11660 14078
+13 12591 18616 13906
+14 12798 18200 24152
+15 13338 10532 14111
+16 11715 10478 14759
+17 13608 17461 12846
+-----------------------------
+Std Dev 3113.33 4749.97 3256.04
+
+=== Map based without avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 14660 12483 11472
+2 11118 11552 12146
+3 15407 19952 11032
+4 15444 12218 14572
+5 22091 11434 13738
+6 18273 17587 21337
+7 10527 16784 15118
+8 13013 12010 17195
+9 15754 9886 14611
+10 13758 11613 14844
+11 19564 16453 17403
+12 9692 17246 14469
+13 13905 11885 20024
+14 19401 15350 10611
+15 11889 25485 11172
+16 13846 13928 12109
+17 9950 12426 16439
+-----------------------------
+Std Dev 3481.45 3847.74 3031.93
+
+=== Map based with avalanche ===
+
+Servers SDBM DJB2 WT6
+-----------------------------
+1 15546 11454 12871
+2 15388 11464 17587
+3 11767 15527 14785
+4 15843 13214 11420
+5 11129 12192 15083
+6 15647 17875 11051
+7 18723 13629 23006
+8 10938 11295 11223
+9 12653 17202 23347
+10 10108 12867 14178
+11 12116 11190 20523
+12 14982 12341 11881
+13 13221 13929 11828
+14 17642 19621 15320
+15 12410 26171 11721
+16 25075 14764 13544
+17 15104 13557 8924
+-----------------------------
+Std Dev 3521.83 3742.21 4101.2