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SubjectRe: (lkml)Re: spindown [was Re: 2.4.6-pre2, pre3 VM Behavior]
On Sun, Jun 17, 2001 at 12:05:10PM +0200, Mike Galbraith wrote:
>
> It _juuust_ so happens that I was tinkering... what do you think of
> something like the below? (and boy do I ever wonder what a certain
> box doing slrn stuff thinks of it.. hint hint;)
>
I'm sorry to say this box doesn't really think any different of it.

Everything that's in the cache before running slrn on a big group seems
to stay there the whole time, making my active slrn-process use swap.

I applied the patch to 2.4.5-ac15, and this was the result:

procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
0 1 0 11216 2548 183560 264172 1 4 184 343 123 119 2 6 92
0 0 0 11212 2620 183444 264184 0 0 4 72 127 99 1 2 97
0 0 0 11212 1604 183444 264740 0 0 378 0 130 101 2 1 98
0 1 0 11212 1588 184300 263116 0 0 552 1080 277 360 3 14 83
2 0 2 11212 1692 174052 270536 0 0 1860 0 596 976 9 50 40
2 0 2 11212 1588 166732 274816 0 0 1868 5426 643 1050 8 44 48
0 1 0 11212 1588 163276 276888 0 0 1714 1816 580 972 9 17 74
0 1 0 11212 1848 166280 273688 0 0 514 3952 301 355 3 40 57
1 0 0 11212 1592 164232 273872 0 0 1824 3532 632 1083 11 25 64
2 0 2 11212 1980 167304 268792 0 0 1678 0 550 881 8 51 41
0 1 2 11212 1588 163908 271356 0 0 1344 4896 508 753 7 26 67
1 0 0 11212 1588 160896 272756 0 0 1642 1301 574 929 9 22 69
0 1 0 11212 1592 164936 268632 0 0 756 3594 370 467 6 43 51
2 0 3 11212 1596 164380 266552 0 0 1904 2392 604 1017 10 52 37
1 0 0 11212 1592 164752 265844 0 0 1784 2382 623 1000 10 22 69
0 1 0 11212 1592 168528 262256 0 0 810 4176 364 523 5 43 52
0 1 1 11212 1992 169324 259504 0 0 1686 3068 578 999 11 42 47
0 1 0 11212 1588 170696 256332 0 0 1568 1080 532 894 10 20 70
1 0 0 11212 1592 174876 253036 0 0 598 3600 315 420 4 41 55
0 1 1 11212 2316 171592 253892 0 0 1816 3286 616 1073 7 29 64
0 1 0 11212 1588 170380 253968 0 0 1638 840 540 910 13 29 58
0 1 1 11212 2896 168840 253740 0 0 752 4120 342 458 4 45 51
0 1 0 11216 2012 166392 255560 0 0 1352 2458 549 895 8 14 77
2 0 1 11216 1588 170744 250164 0 0 1504 1260 503 791 7 48 45
0 1 1 11224 1588 170704 249948 0 0 874 4106 516 655 6 10 84
0 1 0 11228 1588 170148 248988 0 0 1442 0 466 772 8 20 73
1 0 0 11228 1592 171784 247456 0 0 860 3598 362 495 7 44 48
0 1 0 11228 1588 171864 246212 0 0 1390 3176 510 840 9 41 50
0 1 2 11232 1992 170344 245832 0 0 1676 1808 539 898 10 45 45
1 0 1 10508 1632 168204 246780 0 946 1508 2804 599 920 9 20 71
0 1 0 9496 2020 168904 244880 0 0 936 3620 417 603 5 35 60
1 0 0 9604 2516 164096 247536 0 0 1700 2214 563 1085 11 33 56
0 1 0 16196 1820 162112 255492 0 2 1384 1596 497 1106 8 53 38
1 0 0 19240 3000 158052 260608 0 0 400 3824 373 388 2 14 84
1 1 1 28756 4508 146032 278104 0 0 1688 2140 612 1502 7 60 33
2 0 0 39432 29100 105668 300912 0 18 2108 1178 645 1825 12 52 36
1 0 0 40668 13024 108568 311748 0 0 1674 4992 623 1017 9 12 79
0 1 0 45324 3484 105072 326432 0 0 1876 3624 619 1090 13 24 63
1 0 0 53648 1564 102740 337688 0 18 950 3646 404 857 5 31 63
2 0 0 53672 1604 103356 335680 0 2962 1436 5864 565 976 10 43 47
1 0 1 54380 1920 103516 334320 0 1086 1826 1626 590 1072 13 45 42
0 1 1 54600 6532 99568 333860 0 1006 242 5948 277 2680 2 39 59
0 1 0 54596 1944 103744 331932 0 0 1854 3644 627 1054 11 16 73
1 0 0 54592 1924 102876 331100 0 950 1956 2612 621 1173 11 41 48
1 0 0 54592 1592 103576 329568 0 0 1548 4860 605 1106 11 36 53
0 1 1 54592 1588 102908 328320 0 452 1808 2522 583 1049 11 51 38
0 1 1 54592 1588 101916 327076 0 866 1816 1260 589 1046 11 49 40
0 1 0 54592 2076 99568 327776 0 414 992 5728 459 1314 7 25 67
0 1 0 54592 1588 103928 323824 0 0 968 3646 403 747 5 33 61
1 0 0 54592 2632 100108 325136 0 402 1856 2468 622 1369 13 44 42
0 1 0 54592 1588 101872 322600 0 392 1056 2834 461 802 6 35 60
1 0 1 55644 1724 102108 322404 0 380 1448 2682 501 1032 9 50 41
1 1 1 57388 1588 103068 322056 0 0 1384 1396 471 780 8 37 56
0 1 1 58500 2048 102024 323020 0 368 876 3932 504 755 6 11 83
1 0 1 65756 18188 85916 330256 0 2298 740 3680 316 1313 5 70 26
1 1 1 70632 30324 69368 338880 0 1600 650 3804 329 907 4 83 14
0 1 1 70856 9676 75040 350076 0 0 1872 4394 642 1016 10 16 75
1 0 0 71136 1564 78716 350192 0 0 2024 3604 669 1131 11 17 72
0 1 0 71476 1560 82388 342428 0 0 2022 3654 671 1108 13 15 72
0 1 0 71880 1564 86068 335120 0 0 1742 3620 591 946 11 13 76
0 1 0 71876 1560 86080 331492 0 0 1630 0 508 861 7 15 79
1 0 0 72204 1556 89728 328004 0 0 154 3660 360 243 2 5 92
0 1 0 72204 1560 93404 320364 0 0 1736 3612 609 1044 11 12 76
2 0 0 72204 1560 93404 316984 68 0 1658 0 473 788 15 35 50
1 0 0 72204 1588 95688 317020 0 1014 1934 4628 650 1119 10 20 70
0 1 0 72196 2200 97964 320428 0 38 1660 3642 618 931 7 18 75
0 1 1 72196 1588 100008 319428 0 0 788 4132 390 594 4 32 64
2 3 1 72180 1920 101068 318516 0 2604 1818 4388 717 8010 6 44 49
1 0 1 72180 1648 97756 320368 0 204 1410 3134 595 933 10 17 73
0 1 1 72868 1588 99064 317864 0 1962 1716 4548 580 1398 10 48 42
0 1 1 80340 2212 99744 322868 0 884 1610 2670 552 1048 10 55 34
0 1 0 83392 1588 99792 326128 0 0 324 4620 402 629 2 17 81
1 0 1 90228 1592 99116 331664 2 2230 1882 3730 616 1067 9 51 39
3 0 1 95008 1588 102052 331888 0 3754 1440 5916 556 1042 9 62 29
0 1 2 97784 1588 102432 333648 0 1900 336 5016 366 564 3 41 56
1 0 1 98360 2828 102744 331796 0 4366 430 6242 376 868 3 62 35
0 1 0 98384 1588 101656 332828 0 0 338 12 199 223 15 37 48
0 1 0 98364 1588 102520 331268 0 0 1734 1160 357 421 2 3 94

here slrn starts to sort all the headers just read in.

1 0 0 98320 1588 102520 331336 3548 0 3812 0 181 189 39 2 59
0 1 0 98320 1616 102520 332968 3966 0 3966 0 166 176 43 3 54
1 0 0 98320 1588 100832 335272 4096 0 4128 116 185 221 44 3 53
1 0 0 98320 2184 97692 338568 4242 0 4274 10 218 305 44 4 52
1 0 0 98320 1588 96320 341424 3850 2 3882 68 198 269 44 12 44
0 1 0 98320 1588 95032 343652 3772 0 3772 30 184 236 45 3 52
1 0 0 98320 1588 92144 347176 4064 0 4096 14 171 204 44 3 53
1 0 0 98320 2268 89940 349532 4004 0 4036 40 215 275 45 4 51
1 0 0 98320 2212 89348 350096 252 0 284 4 110 68 51 1 47
1 0 0 98320 2208 89348 350100 0 0 0 36 111 65 51 1 48

process idle.

The slrn-test I use is to open a very big group (some 150000 headers)
from local spool. This first reads a lot of headers from disk, building
an impressive 100 Mb size of malloc()ed space in memory, then sorts
these headers.

Good luck,
Jurriaan
--
BOFH excuse #34:

(l)user error
GNU/Linux 2.4.5-ac15 SMP/ReiserFS 2x1402 bogomips load av: 0.41 0.11 0.03
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