Dedup is disabled (confirmed to be.) Doing some digging it looks like this is a very similar issue to http://forums.oracle.com/forums/thread.jspa?threadID=2200577&tstart=0.
On May 4, 2011, at 2:26 PM, Garrett D'Amore wrote: > My first thought is dedup... perhaps you've got dedup enabled and the DDT no > longer fits in RAM? That would create a huge performance cliff. > > -----Original Message----- > From: zfs-discuss-boun...@opensolaris.org on behalf of Eric D. Mudama > Sent: Wed 5/4/2011 12:55 PM > To: Adam Serediuk > Cc: zfs-discuss@opensolaris.org > Subject: Re: [zfs-discuss] Extremely Slow ZFS Performance > > On Wed, May 4 at 12:21, Adam Serediuk wrote: > >Both iostat and zpool iostat show very little to zero load on the devices > >even while blocking. > > > >Any suggestions on avenues of approach for troubleshooting? > > is 'iostat -en' error free? > > > -- > Eric D. Mudama > edmud...@bounceswoosh.org > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > >
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