2010/7/8 Martin Matuska <m...@freebsd.org>: > Hi Jason, > > as for me, I am ready to stand for the stability of my v15 upgrade, it > has been discussed with our zfs team, and we also see it as a kind of a > starting point. > > We generally have two options: > a) push ZFS v15 now > - it has been already disussed > - we can continue with incremental upgrades that do bugfixes or > introduce non-intrusive features like we did until now > - upgrade to higher versions in the future > > b) do not push anything, wait for a uncertain ammount of time and import > a higher version > - this might take months or even more than 1 year > - our project is not an anarchy or a dictatorship, so it has to be > argued, discussed, evaluated and publicly tested again > > As for me, I go for a). > > The recent ZFS code contains even more OpenSolaris specific parts, zvol > code probably needs to be reprogrammed once again and there are also > other features like autoexpansion of pools that need polishing. If you > want some future information, there are plans and already work to make > the very latest ZFS available. But its uncertainity again, I cannot give > you any dates but what is very probable that you won't see anything that > early. Of course any volunteers that are willing to help us porting ZFS > features are welcome :-) > > Now to the performance fixes for DB workloads - can you point me to the > code or tell me what do they do? > We have already now the prefetch improvements from v19 and ARC > improvements from v15 in stable/8. > Many parts of the OpenSolaris code can be very easily integrated without > breaking existing stuff and again, v15 is a very good starting point for > this. > > Regarding performance, e.g. my PHP web servers with codebase in ZFS > yield 15-20% more req/s with v15 patch (as compared to v14).
I'm currently trying your patchset, I have updated versions of kernel and userland zfs code. Now, are there any benefits to upgrade the zpool and the zfs to the latest versions, besides quotas ? > Cheers, > mm > > Dňa 8. 7. 2010 9:47, Jason J. W. Williams wrote / napísal(a): >> Hi Martin, >> >> If you're using it for NFS then that can be a good feature, but I see a lot >> more folks complaining about lack of removal for log devices. >> >> We've been using ZFS on OpenSolaris for DB servers since 2006 and >> OpenSolaris bits are very stable. In most cases we've found ZFS under OSol >> to be more stable than Solaris. Normally this is due to the youth of ZFS and >> the speed with which bugs are being corrected...which end up in OSol while >> Solaris languishes under it's long release cycle. I'll posit Joyent as an >> example here of the stability of OSol bits...they use the SXCE distro >> recently discontinued. >> >> v19 also includes a number of performance fixes for DB workloads. >> >> -J >> >> Sent via iPhone >> >> Is your e-mail Premiere? >> >> On Jul 8, 2010, at 1:32, Martin Matuska <m...@freebsd.org> wrote: >> >> >>> User and group quotas is no important enhancement? >>> >>> We have to see the whole thing from a stability perspective as well - >>> OpenSolaris has by far less testing than Solaris 10. >>> Oracle cannot afford to feed his enterprise customers (and these are not >>> few) with untested code. >>> >>> Dňa 7. 7. 2010 20:30, Sam Fourman Jr. wrote / napísal(a): >>> >>>> On Wed, Jul 7, 2010 at 1:25 PM, Jason J. W. Williams >>>> <jasonjwwilli...@gmail.com> wrote: >>>> >>>> >>>>> If the target is FreeBSD 9 instead of 8.1, why not merge ZFS v19? 15 >>>>> really doesn't give any major enhancements over 14 and FreeBSD 9 isn't >>>>> coming out any time. >>>>> >>>>> 19 would give much need log device removal and triple parity RAID-Z. >>>>> Both of which are well tested at this point via OpenSolaris. >>>>> >>>>> >>>>> >>>> these are very valid points, but I am not sure that anyone has zfs v19 >>>> patches >>>> >>>> >>>> > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org" > -- Olivier Smedts _ ASCII ribbon campaign ( ) e-mail: oliv...@gid0.org - against HTML email & vCards X www: http://www.gid0.org - against proprietary attachments / \ "Il y a seulement 10 sortes de gens dans le monde : ceux qui comprennent le binaire, et ceux qui ne le comprennent pas." _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
