On Sat, Sep 17, 2005 at 01:40:28AM -0400, Tom Lane wrote: > Gavin Sherry <[EMAIL PROTECTED]> writes: > > On Sat, 17 Sep 2005, Tom Lane wrote: > >> It'd be real interesting to see comparable numbers from some non-Linux > >> kernels, particularly commercial systems like Solaris. > > > Did you see the Solaris results I posted? > > Are you speaking of > http://archives.postgresql.org/pgsql-hackers/2005-09/msg00715.php > ? > > That doesn't seem directly relevant to the point, because it's for a > 2-CPU machine; so there's no way to run a test case that uses more than > one but less than all the processors. In either the "one" or "all" > cases, performance ought to be pretty stable regardless of whether the > kernel understands about any processor asymmetries that may exist in > the hardware. Not to mention that I don't know of any asymmetries in > a dual SPARC anyway. We really need to test this on comparable > hardware, which I guess means we need Solaris/x86 on something with > hyperthreading or known NUMA asymmetry.
I have access to a 4-way Opteron 852 running Solaris 10. What patches would you like me to test? -- Jim C. Nasby, Sr. Engineering Consultant [EMAIL PROTECTED] Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461 ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
