On Fri, Apr 21, 2006 at 08:20:28PM +0800, Wu Fengguang wrote: > Hi Markus, > > On Fri, Apr 21, 2006 at 09:53:34AM +0200, Markus Schaber wrote: > > Are there any rough estimates when this will get into mainline kernel > > (if you intend to submit)? > > I'm not quite sure :) > > The patch itself has been pretty stable. To get it accepted, we must > back it by good benchmarking results for some important applications. > I have confirmed that file service via FTP/HTTP/NFS can more or less > benefit from it. However, database services have not been touched yet. > Oracle/DB2 seem to bypass the readahead code route, while postgresql > relies totally on kernel readahead logic. So if postgresql is proved > to work well with this patch, it will have good opportunity to go into > mainline :) IIRC Mark from OSDL said he'd try testing this when he gets a chance, but you could also try running dbt2 and dbt3 against it. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
