Comment 386 for bug 620074

Ok, 2.6.30-rc8 + patch in comment #366, xfs

dd if=/dev/zero of=./bigfile bs=1M count=15000 & ./fsync-tester
fsync time: 1.7085
fsync time: 1.6639
fsync time: 0.4616
fsync time: 1.3800
fsync time: 1.3603
fsync time: 1.5529
fsync time: 1.8435
fsync time: 0.2561
fsync time: 0.9318
fsync time: 0.1965
fsync time: 1.2233
fsync time: 1.3920
fsync time: 0.4677
fsync time: 0.4560
fsync time: 1.8206
fsync time: 1.8135
fsync time: 1.8342
fsync time: 0.8565
fsync time: 0.9477
fsync time: 2.8569
fsync time: 0.4323
15000+0 записей считано
15000+0 записей написано
 скопировано 15728640000 байт (16 GB), 181,923 c, 86,5 MB/c
fsync time: 1.3716
fsync time: 0.0168
fsync time: 1.5381
fsync time: 1.5649
fsync time: 0.0349
fsync time: 0.0636
fsync time: 0.0657
fsync time: 0.3337
fsync time: 0.0393

procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r b swpd free buff cache si so bi bo in cs us sy id wa
 2 2 0 4230432 808 3417716 0 0 0 87568 1102 1850 1 7 13 79
 0 4 0 4149632 808 3499392 0 0 0 83960 722 1037 1 5 36 57
 0 4 0 4069892 808 3578140 0 0 0 76840 701 1178 1 5 0 93
 1 3 0 3988784 808 3659444 0 0 0 78848 727 1151 1 5 14 79
 0 4 0 3889380 808 3757188 0 0 0 97310 804 1200 2 6 33 59
 0 3 0 3807540 808 3838720 0 0 0 79888 614 1010 2 5 19 74
 0 4 0 3729056 808 3918092 0 0 0 76866 840 1367 0 5 29 65
0 3 0 3002860 808 4645932 0 0 0 90672 597 817 2 6 0 93
 0 4 0 2921840 808 4728132 0 0 0 80416 865 1377 1 6 0 93
 0 3 0 2841564 808 4810132 0 0 0 80384 627 933 1 5 0 93
 1 4 0 2743820 808 4906136 0 0 0 94216 892 1398 1 7 0 92
 0 3 0 2666100 808 4984280 0 0 0 77824 770 1217 1 5 0 93
 1 2 0 2590248 808 5063188 0 0 0 82496 795 1283 2 6 0 92

In the moment of copying of /usr/src/linux-2.6.30-rc8 -> /usr/src/linux-2.6.30-rc8+ (in Konsole, without the use of dolphin, ... and other GUI)
to cause
:~> kdesu /usr/bin/kwrite
it is impossible, after completion of copying - it is impossible, it is needed only to overload an user or computer

Speed of copying of /usr/src/linux-2.6.30-rc8 -> /usr/src/linux-2.6.30-rc8+ as was near to the zero remained so.

time cp -r /usr/src/linux-2.6.30-rc8 /usr/src/linux-2.6.30-rc8+
real 6m14.566s
user 0m0.158s
sys 0m2.838s