Thank you very much!
I will try to lower IO queue, disable arc cache, and disable cache flushing and
post back results.
Logbias property sounds interesting. It's sad that it's not implemended in
solaris yet.
--
This message posted from opensolaris.org
On Jan 31, 2010, at 9:39 PM, Anatoly wrote:
> Yes, it has battery-backed cache and it's working fine.
> I'm worried about fact that simple
> dd if=/dev/zero of=/zpool1 bs=8192k count=10240
> gives 40MB/s in zpool iostat
>
> Maybe Oracle settings are wrong?
> Current settings are:
> filesystemio_
Hi
ZFS has no equivalent for directio mounting.
Did you try the
set zfs:zfs_nocacheflush = 1
option?
(see
http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Tuning_ZFS_for_Database_Performance)
Cheers
Paul.
On Feb 1, 2010, at 6:39 AM, Anatoly wrote:
>
>
> gives 40MB/
Yes, it has battery-backed cache and it's working fine.
I'm worried about fact that simple
dd if=/dev/zero of=/zpool1 bs=8192k count=10240
gives 40MB/s in zpool iostat
Maybe Oracle settings are wrong?
Current settings are:
filesystemio_options=asynch
db_writer_processes=2
db_file_multiblock_read_
On Sat, 30 Jan 2010, Anatoly wrote:
Hello!
We have Solaris 10 box with latest patches connected to Storedge 6130 by FC.
Storedge disks configured as RAID5
Our Oracle 10g (10.2.0.4) DB performance is terrible.
I don't know anything about the Storedge 6130, but if it includes a
battery-backed w
