top - 16:41:03 up 2:24, 7 users, load average: 2.95, 1.91, 1.10 Tasks: 12 total, 0 running, 12 sleeping, 0 stopped, 0 zombie Cpu0 : 14.6%us, 4.9%sy, 0.0%ni, 14.6%id, 64.6%wa, 0.0%hi, 1.2%si, 0.0%st Cpu1 : 4.8%us, 2.4%sy, 0.0%ni, 76.2%id, 16.7%wa, 0.0%hi, 0.0%si, 0.0%st Cpu2 : 22.6%us, 2.4%sy, 0.0%ni, 59.5%id, 15.5%wa, 0.0%hi, 0.0%si, 0.0%st Cpu3 : 21.8%us, 1.3%sy, 0.0%ni, 62.8%id, 12.8%wa, 0.0%hi, 1.3%si, 0.0%st Mem: 4129020k total, 3421228k used, 707792k free, 500k buffers Swap: 0k total, 0k used, 0k free, 2755748k cached Change delay from 0.8 to: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ P COMMAND 4430 root 20 0 0 0 0 D 1 0.0 0:00.89 2 [flush-btrfs-1] 1137 root 20 0 0 0 0 S 0 0.0 0:00.05 2 [btrfs-endio-1] 2564 root 20 0 0 0 0 S 0 0.0 0:00.01 3 [btrfs-delalloc-] 3348 root 20 0 0 0 0 S 0 0.0 0:01.31 0 [btrfs-endio-met] 3363 root 20 0 0 0 0 S 0 0.0 0:00.15 0 [btrfs-worker-2] 3893 root 20 0 0 0 0 S 0 0.0 0:00.29 0 [btrfs-endio-met] 3904 root 20 0 0 0 0 S 0 0.0 0:00.00 2 [btrfs-endio-met] 3906 root 20 0 0 0 0 S 0 0.0 0:00.26 2 [btrfs-endio-met] 3956 root 20 0 0 0 0 S 0 0.0 0:00.02 0 [flush-btrfs-2] 4435 root 20 0 0 0 0 S 0 0.0 0:32.10 1 [btrfs-delalloc-] 4443 root 20 0 0 0 0 S 0 0.0 0:03.74 0 [btrfs-endio-wri] 4454 root 20 0 0 0 0 S 0 0.0 0:04.04 3 [btrfs-endio-wri]
Параллельно запущены iozone -a -b /.xls -+u -p -B -e -E и find ./ -exec md5sum '{}' \; :) Western Digital Raptor WD1500AHFD-00RAR5 linux-2.6.32.8 # cat /proc/mounts | grep btr /dev/sdb1 /media/kernel btrfs rw,relatime,compress,noacl 0 0 А вот как в реальности кушает процессор :) http://i063.radikal.ru/1002/4d/a44c252ccccf.jpg
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