Disappointing speed with ZFS

[Ivan Voras]

Alexey Tarasov wrote:

> `--# dd if=test.tmp of=test2.tmp

> 
>       tty             ad4              ad5              ad6             cpu
>  tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
>    1  238  0.00   0  0.00  60.22  18  1.04  64.00 982 61.37   1  0 31  2 67
>    1 3349  0.00   0  0.00  64.00   7  0.43  58.53 757 43.26   1  0 46  0 53
>    0  286  0.00   0  0.00  55.81  21  1.13  64.00 487 30.43   1  0 31  1 67
>    0  269  0.00   0  0.00  64.00   8  0.50  64.00  21  1.31   2  0 49  0 49

Ok, now do the same with the file that rtorrent is hashing in the "if"
argument.

You should have used "bs=1m" for both tests, but it's too late now - do
the other test also without "bs".