Re: pc stalling when processing large files [2.6.9]

[Folkert van Heusden]

> > /usr/sbin/hdparm -c 3 -d 1 -X 69 -u 1 /dev/hda
> And if you remove that line, does that help?

No since disk-i/o goes back to 3MB/s then.

> Also, output of 'vmstat 1' during stalls would be helpful.

procs -----------memory---------- ---swap-- -----io---- --system--
----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in    cs us sy id
wa
 1 13 272232   1880   3752  19952   15    7     0     2    6    24  7  1 88
4
 0 14 272636   1236   3752  19900   68 1220    68  1408 1216   441 10  2  0
88
 0 12 272904    992   3752  19888   48 1356    48  1356 1205   225  4  2  0
94
 0 14 273800    584   3784  19788  540 3600   716  3608 3643   731  3  2  0
95
 0 17 273940    856   3792  19788  284  660   300   664 1202   313  0  3  0
97
 0 16 274068    840   3800  20072  296  796   588   860 1146   224  5  2  0
93
 0 15 274504   1232   3804  20284   48 1036   264  1036 1153   286  3  3  0
94
 0 20 277020   1344   3868  20908 1048 8212  1896  8508 7863  2125  6  3  0
91
 0 17 277688   1192   3868  20904    0 1484     0  1488 1208   236 11  2  0
87
 0 17 278728    680   3868  20884    0 1504     0  1548 1204   474  8  4  0
88
 0 16 279428   1392   3852  20980    0 1712   104  1716 1191   240  1  3  0
96
 0 19 280080   4964   3852  21112   32 1652   168  1652 1215   272 18  4  0
78
 0 14 280436   1376   3868  21112    0 1180     8  1460 1192   193 29  5  0
66
 1  9 280768   2144   3868  21112    4  940     4   940 1208   234  0  1  0
99
 0 15 281472   1032   3888  21044   32 1312    48  1316 1202   251  9  3  0
88
 2  7 282356   2628   3888  20948   16 1280    16  1284 1244   308 21  5  0
74
 0  9 282816    672   3888  20928    0 1000     0  1072 1182   212  9  3  0
88
 0 13 284020    848   3896  20664    0 3488     0  3816 3778   586  3  1  0
96
 0 13 284752    656   3896  20656    0 1488     0  1488 1201   284  4  2  0
94
 0 13 285768    720   3900  20656    0 1352     0  1356 1208   280  5  2  0
93
 0  9 286848   1688   3900  20544   64 5028    64  5028 1283   300  3  4  0
93
 0  9 288312   1504   3940  20348   32 3596   292  3632 1399   678 22 11  0
67
 0 21 288492    736   3944  19960   56 1096   300  1100 1209   248  8  3  0
89
 0 16 290128    992   3944  19960   32 2072    32  2076 1234   232  4  3  0
93
 0 10 293500    672   3936  19980   64 3376   136  3456 1236   290  8  4  0
88
 3 10 297412   1596   3836  18892    0 3912   184  3916 1493   355 27  9  0
64
 0 12 301468    736   3856  19008    8 4068   220  4140 1342   289 17  6  0
77
 0 13 305624    664   3876  19000   64 4176   128  4180 1308   307 10  6  0
84
 0 16 309084    664   3872  19068   92 3480   268  3824 1284   268 25  7  0
68
 0 12 317984    976   3776  18704  100 8908   348  9100 2635   542 25  6  0
69
 0 13 319692    792   3836  19716   36 1712  1160  1744 1241   300  6  5  0
89
 0 14 322012   1576   3904  20000  524 2412   900  2412 1254   414  4  4  0
92
 0 10 327280   1808   3912  19852 1700 5536  1712  5784 1725   448  7  3  0
90
 0 11 334216    720   3900  19780  224 6972   224  6976 1227   213 19  6  0
75
 0 10 335988   3928   3900  19008 2128 2112  2140  2112 1218   410 20  3  0
77


Folkert van Heusden

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