On 18 January 2013 19:11, Dieter BSD <[email protected]> wrote: > Matthew writes: >> There is also no information in the original email as to which direction >> the I/O was being sent. > > In one of the followups, Karim reported: > # dd if=/dev/zero of=foo count=10 bs=1024000 > 10+0 records in > 10+0 records out > 10240000 bytes transferred in 19.615134 secs (522046 bytes/sec) > > 522 KB/s is pathetic.
When this is running, use gstat and see exactly how many IOPS/sec there are and the average io size is. Yes, 522kbytes/sec is really pathetic, but there's a lot of potential reasons for that. adrian _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
