Tom, All:
> It seems to me what you've found is an outright bug in the linux scheduler.
> Perhaps posting it to linux-kernel would be worthwhile.
For people using this on Linux 2.6, which scheduler are you using? Deadline
is the recommended one for databases, and does offer significant (+5-8%)
benefits in some heavy-contention environments, at least in OSDL tests.
--
Josh Berkus
Aglio Database Solutions
San Francisco
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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
