Hi,
Tom Lane schrieb:
> Robert Lor <[EMAIL PROTECTED]> writes:
>> I ran pgbench and fired up a DTrace script using the lwlock probes we've
>> added, and it looks like BufMappingLock is the most contended lock, but
>> CheckpointStartLocks are held for longer duration!
>
> Those numbers look a b
DualCore and we get
15+ context switches/sec. We have around 30 clients. We use RHEL 4
in 32-bit (i368) mode. I didn't use the patch for the Opteron-specific
behavior.
Cheers
Sven.
Tom Lane schrieb:
> Sven Geisler <[EMAIL PROTECTED]> writes:
>> I created a patch fo
Hi all,
I created a patch for PostgreSQL and x86 architecture.
This patch address a Opteron-specific
behavior regarding some assembler statements.
The patch based on a patch to PostgreSQL 8.0.3 which was worked out by
RedHat.
Tom did change src/include/storage/s_lock.h for PostgreSQL 8.1.x. Th
Martijn van Oosterhout schrieb:
Last time around there were a number of different algorithms tested.
Did anyone run those tests while getting it to count the number of
actual comparisons (which could easily swamp the time taken to do the
actual sort in some cases)?
The last time I did such te
