Re: Performance Degradation: 2.6.8-rc4-bk1 vs RHEL 2.4.21-15.0.3

Omar Kilani
2004-08-12T13:57:17Z

Replying to self,

Some additional stats. I ran 'vmstat 1' during the ab run. Results:

2.4.21-2ts (RHEL 2.4.21-15.0.3):

procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
1 0 0 304852 18760 142880 0 0 0 0 104 22327 39 50 10 0
2 0 0 304256 18760 143196 0 0 0 0 103 22740 38 50 12 0
1 0 0 303176 18760 143504 0 0 0 0 106 22306 41 47 12 0
3 0 0 302808 18760 143824 0 0 0 0 102 22410 36 50 15 0
1 0 0 302548 18768 144140 0 0 0 1612 131 22384 39 50 11 0
3 0 0 302224 18768 144456 0 0 0 0 107 22707 34 57 9 0
3 0 0 301932 18768 144776 0 0 0 0 104 22399 42 44 14 0
3 0 0 301784 18768 145092 0 0 0 0 103 22635 36 52 11 0
2 0 0 301164 18768 145408 0 0 0 0 102 22613 32 57 11 0
2 0 0 301064 18776 145724 0 0 0 1608 134 22595 38 49 13 0
1 0 0 300672 18776 146040 0 0 0 0 102 22444 38 51 11 0
1 0 0 300088 18776 146356 0 0 0 0 103 21374 40 50 10 0
2 0 0 299628 18776 146668 0 0 0 0 109 20670 31 52 17 0
2 0 0 299440 18780 146988 0 0 0 0 103 21666 44 46 10 0
3 0 0 299100 18788 147304 0 0 0 1664 138 22305 36 51 12 0
2 0 0 298664 18788 147620 0 0 0 0 108 22328 36 49 15 0
2 0 0 298264 18788 147936 0 0 0 0 105 22404 34 50 17 0
1 0 0 297792 18788 148248 0 0 0 0 105 22415 37 50 13 0
1 0 0 297412 18788 148564 0 0 0 0 105 22480 37 50 13 0
2 0 0 296560 18804 148876 0 0 0 1640 138 22471 35 51 14 0
1 0 0 296040 18804 149188 0 0 0 0 104 22395 36 51 13 0
2 0 0 296048 18804 149504 0 0 0 0 104 22405 32 52 16 0
2 0 0 295440 18804 149820 0 0 0 0 109 22162 37 50 13 0
1 0 0 294676 18804 150136 0 0 0 0 106 22317 37 48 15 0
1 0 0 294384 18812 150452 0 0 0 1580 132 22068 41 46 12 1
1 0 0 294208 18812 150768 0 0 0 0 104 22168 42 49 9 0
3 0 0 293796 18816 151084 0 0 0 0 109 22345 40 49 12 0
2 0 0 293300 18816 151396 0 0 0 0 104 22793 37 49 14 0
1 1 0 292828 18816 151712 0 0 0 1568 106 22518 36 52 11 0
3 0 0 292680 18824 152028 0 0 0 40 139 22407 41 47 12 0
2 0 0 291952 18824 152344 0 0 0 0 105 21948 39 51 10 0
2 0 0 291092 18824 152668 0 0 0 0 104 20059 35 50 15 0
1 0 0 289944 18824 152908 0 0 0 0 114 13542 39 39 22 0
0 0 0 293840 18832 152908 0 0 0 1236 140 53 12 0 84 4
0 0 0 293840 18832 152908 0 0 0 0 103 11 0 0 100 0

2.6.8-rc4-mm1:

procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
4 0 0 396092 8300 55140 0 0 0 0 1014 13901 23 65 12 0
2 0 0 396796 8300 55140 0 0 0 0 1007 11587 30 66 4 0
1 0 0 395964 8300 55660 0 0 0 0 1005 14045 23 64 13 0
2 0 0 394492 8300 55660 0 0 0 0 1007 13333 24 68 8 0
2 0 0 393980 8308 55912 0 0 0 1044 1016 13234 26 68 7 0
2 0 0 393340 8308 56172 0 0 0 228 1012 13498 23 66 10 0
2 0 0 393588 8308 56172 0 0 0 0 1007 11800 29 67 4 0
2 0 0 393332 8308 56432 0 0 0 0 1009 13183 24 67 8 0
2 0 0 392820 8308 56692 0 0 0 0 1006 12992 27 68 6 0
2 0 0 392436 8316 56944 0 0 0 816 1016 13064 25 69 6 0
1 0 0 391988 8316 56944 0 0 0 0 1007 12894 27 69 5 0
2 0 0 391604 8316 57204 0 0 0 0 1009 13508 24 66 10 0
1 0 0 391412 8316 57464 0 0 0 0 1008 12780 27 69 4 0
1 0 0 391348 8316 57464 0 0 0 0 1007 13431 25 65 10 0
1 0 0 391028 8324 57716 0 0 0 992 1016 13699 25 63 12 0
3 0 0 390836 8324 57976 0 0 0 0 1006 12496 30 68 3 0
2 0 0 390708 8324 57976 0 0 0 0 1008 12498 27 71 2 0
2 0 0 390580 8324 58496 0 0 0 0 1009 13158 25 65 10 0
1 0 0 390452 8324 58496 0 0 0 0 1007 12676 26 66 8 0
2 0 0 390772 8332 58748 0 0 0 1024 1017 12255 27 62 10 0
2 0 0 389804 8336 58744 0 0 0 0 1005 13003 27 68 4 0
2 0 0 389612 8336 59264 0 0 0 0 1006 12848 26 70 5 0
2 0 0 389420 8336 59264 0 0 0 0 1008 12725 27 69 3 0
2 0 0 389036 8336 59524 0 0 0 0 1007 13007 26 69 6 0
2 0 0 388844 8344 59776 0 0 0 1000 1018 13096 26 68 7 0
2 0 0 388588 8344 59776 0 0 0 0 1007 13790 23 66 12 0
2 0 0 388396 8344 60036 0 0 0 0 1005 13315 24 67 9 0
2 0 0 388140 8344 60296 0 0 0 0 1007 12510 27 71 2 0
2 0 0 387820 8344 60296 0 0 0 0 1008 13011 25 69 6 0
2 0 0 387564 8352 60808 0 0 0 996 1018 13343 23 69 8 0
2 0 0 387436 8352 60808 0 0 0 4 1010 12532 29 70 2 0
1 0 0 386988 8352 60808 0 0 0 0 1010 13909 24 63 13 0
1 0 0 386988 8352 61328 0 0 0 0 1008 12854 26 67 7 0
2 0 0 385516 8352 61328 0 0 0 0 1013 12836 26 65 9 0
2 0 0 386284 8360 61580 0 0 0 1044 1017 12728 29 68 4 0
1 0 0 386924 8360 61840 0 0 0 68 1022 11707 29 65 6 0
1 0 0 386412 8360 61840 0 0 0 0 1009 14099 24 65 12 0
2 0 0 385836 8360 62100 0 0 0 0 1010 12837 27 69 4 0
2 0 0 384556 8360 62360 0 0 0 0 1008 12659 28 70 3 0
2 0 0 384172 8368 62612 0 0 0 1032 1022 13203 24 69 7 0
2 0 0 383916 8368 62612 0 0 0 0 1007 13499 24 67 9 0
2 0 0 383660 8372 63128 0 0 0 0 1010 12915 26 68 6 0
2 0 0 383404 8372 63128 0 0 0 0 1011 12856 26 70 5 0
2 0 0 383084 8372 63388 0 0 0 0 1009 13076 27 67 6 0
2 0 0 382828 8380 63640 0 0 0 1000 1022 13054 25 68 7 1
2 0 0 382572 8380 63640 0 0 0 0 1009 13559 24 66 10 0
2 0 0 382444 8380 63900 0 0 0 0 1010 12554 28 70 3 0
2 0 0 382196 8380 64160 0 0 0 0 1008 12754 27 69 4 0
2 0 0 381748 8380 64420 0 0 0 0 1008 13483 25 65 10 0
2 0 0 381492 8388 64412 0 0 0 996 1017 12901 28 67 6 0
0 0 0 385076 8388 64412 0 0 0 0 1024 6320 29 31 41 0
0 0 0 385076 8388 64412 0 0 0 0 1007 8 0 0 100 0

Anything else I should be monitoring?

Regards,
Omar Kilani