Re: [zfs-discuss] UFS Formatted ZVOLs and Oracle Databases / MDBMS

2008-03-27 Thread Richard Elling
Brandon Wilson wrote: > Well I don't have any hard numbers 'yet'. But sometime in the next couple > weeks when the Hyperion Essbase install team get essbase up and running on a > sun m4000, I plan on taking advantage of the situation to do some stress and > performance testing on zfs and MDBMS.

Re: [zfs-discuss] UFS Formatted ZVOLs and Oracle Databases / MDBMS

2008-03-27 Thread Brandon Wilson
Well I don't have any hard numbers 'yet'. But sometime in the next couple weeks when the Hyperion Essbase install team get essbase up and running on a sun m4000, I plan on taking advantage of the situation to do some stress and performance testing on zfs and MDBMS. Stuff like ufs+directio, zfs,

Re: [zfs-discuss] UFS Formatted ZVOLs and Oracle Databases / MDBMS

2008-03-27 Thread Neelakanth Nadgir
Brandon Wilson wrote: > Hi all, here's a couple questions. > > Has anyone run oracle databases off of a UFS formatted ZVOL? If so, how does > it compare in speed to UFS direct io? > I have not, but I suspect the performance will be worse than pure zfs and ufsdio. For databases, you should try t

[zfs-discuss] UFS Formatted ZVOLs and Oracle Databases / MDBMS

2008-03-27 Thread Brandon Wilson
Hi all, here's a couple questions. Has anyone run oracle databases off of a UFS formatted ZVOL? If so, how does it compare in speed to UFS direct io? I'm trying my best to get rid of UFS, but ZFS isn't up to par on the speed of UFS direct io for MDBMS. So I'm trying to come up with some creativ