jan.lent...@web.de wrote:
I redid the tests as suggested and with a slighlty different test setup.
Results attached. Next step: Redo the tests on -DEVELOPMENT.
Can you add Solaris/OpenSolaris with UFS/ZFS in this test?
Zitat von Matthew Dillon dil...@apollo.backplane.com:
I'd like to see how those results compare with the various
MPSAFE sysctls turned on, and also with fsync disabled (so
we can get an idea how badly fsync effects write transactions,
since we know fsync is very expensive on
I'd like to see how those results compare with the various
MPSAFE sysctls turned on, and also with fsync disabled (so
we can get an idea how badly fsync effects write transactions,
since we know fsync is very expensive on HAMMER):
vfs.getattr_mpsafe=1
vfs.read_mpsafe=1
jan.lent...@web.de wrote:
those following IRC might know what this is about. For the rest: I did
some performance testing of PostgreSQL on DF with HAMMER and UFS and
the attached document is the (preliminary) result of that.
Any comments/proposals are welcome. Especially if someone could
comment