[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [ANNOUNCEMENT] Schedule for Xen 3.0.4
On Fri, Nov 24, 2006 at 04:34:47PM +0000, Ewan Mellor wrote: > On Fri, Nov 24, 2006 at 03:54:56PM +0000, Daniel P. Berrange wrote: > > > On Fri, Nov 24, 2006 at 10:58:12AM +0000, Ewan Mellor wrote: > > > On Fri, Nov 24, 2006 at 10:42:53AM +0000, John Levon wrote: > > > > > > > On Fri, Nov 24, 2006 at 10:28:43AM +0000, Keir Fraser wrote: > > > > > > > > > release candidates for 3.0.4 once or twice a week until we have a tree > > > > > suitable for final release (hopefully by the middle of December). > > > > > Meanwhile > > > > > > > > Does this mean we have less than a month until the Xen API work is > > > > frozen, as was previously the plan for 3.0.4? We're still discussing > > > > aspects of it and AFAIK there's still a lot of work to do in just > > > > finishing defining it, never mind coding it or any "can I actually > > > > program against this" stuff. > > > > > > No (sorry for the confusion). Xen 3.0.4 will contain a "preview" of the > > > Xen-API (i.e. what we've got now) but this will not be the final version > > > of > > > the protocol or data-model, and will not be declared stable or supported. > > > We > > > will ensure that the 3.0.3 protocols are supported in 3.0.4, and will > > > take the > > > time during this freeze to make sure that backwards compatibility to > > > 3.0.3-based clients is all in place. > > > > > > Xen 3.0.4 _will_ contain a working version of "the lifecycle patches", > > > that > > > is, the xm new, start, shutdown, delete, suspend, and resume > > > functionality. > > > > Before 3.0.4 comes out, there are a couple of fixes we previously discussed > > on xen-api to ensure the lifecycle patches don't break semantics of the > > existing SEXPR / XMLRPC APIs. > > > > http://lists.xensource.com/archives/html/xen-api/2006-10/msg00009.html > > Yes, we'll get those fixed for 3.0.4. Excellant, thanks. > > It has also previously been mentioned that XenSource were planning some > > work on xenstored to address the terrible performance of its transaction > > code. It'd be nice to see that in 3.0.4 if its ready ? > > There are two different fixes for performance problems that you've been > suffering. One is a general improvement to xenstore to improve transaction > performance -- I'm afraid that that one isn't going to be ready for 3.0.4. > The other fix, which is in unstable now, is a fix to xm list so that it does > not hit the store unnecessarily. xm list now explicitly sets a flag to > indicate whether it is doing a "short" or a "long" list, and the short one > does not hit the store at all. This improves the performance of that call by > a very large factor. You should consider setting that flag yourself in new > applications. Ok, I'll try out that approach and see how much diference it makes - it does sound like it ought to solve the common case problem I see for listing domains. Dan. -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=| _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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