Mark Kirkwood <markir(at)paradise(dot)net(dot)nz> writes:
> Thinking about this, presumably any write intensive, multi-user
> benchmark would seem to be suitable, so would something like OSDL's
> DBT-2 actually be better to try?
I'm certainly not wedded to pgbench, give it a try.
BTW, I forgot to mention that it would be useful to try different
wal_sync_methods along with this. The reason why it seems unlikely
the patch is useful on Linux is that the sync methods that use O_DIRECT
probably dominate using the patch anyway. There may or may not be
a similar dependence on sync method on other kernels ...
regards, tom lane
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