So, what we're looking for is a way to improve performance, without disabling the ZIL, as it's my understanding that disabling the ZIL isn't exactly a safe thing to do.
We're looking for the best way to improve performance, without sacrificing too much of the safety of the data. The current solution we are considering is disabling the cache flushing (as per a previous response in this thread), and adding one or two SSD log devices, as this is similar to the Sun storage appliances based on the Thor. Thoughts? -Greg On Jan 19, 2009, at 6:24 PM, Richard Elling wrote: >> >> We took a rough stab in the dark, and started to examine whether or >> not it was the ZIL. > > It is. I've recently added some clarification to this section in the > Evil Tuning Guide which might help you to arrive at a better solution. > http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Disabling_the_ZIL_.28Don.27t.29 > Feedback is welcome. > -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss