Luke Lonergan wrote:
Robert,
On 8/8/06 9:11 AM, "Robert Milkowski" <[EMAIL PROTECTED]> wrote:
1. UFS, noatime, HW RAID5 6 disks, S10U2
70MB/s
2. ZFS, atime=off, HW RAID5 6 disks, S10U2 (the same lun as in #1)
87MB/s
3. ZFS, atime=off, SW RAID-Z 6 disks, S10U2
130MB/s
4. ZFS, atime=off, SW RAID-Z 6 disks, snv_44
133MB/s
Well, the UFS results are miserable, but the ZFS results aren't good - I'd
expect between 250-350MB/s from a 6-disk RAID5 with read() blocksize from
8kb to 32kb.
Most of my ZFS experiments have been with RAID10, but there were some
massive improvements to seq I/O with the fixes I mentioned - I'd expect that
this shows that they aren't in snv44.
Those fixes went into snv_45
-Mark
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