AFAIK, the only systems supported by Postgres that this patch won't
work on are NetBSD and OpenBSD.
The POSIX calls free the user from the SHMMAX and SHMALL limitations
of the SysV shared memory calls on platforms that support it. Since
this still takes one SysV segment, SHMMNI can still
Jim C. Nasby [EMAIL PROTECTED] wrote:
Perhaps it would be better to have the bgwriter take a look at how many
dead tuples (or how much space the dead tuples account for) when it
writes a page out and adjust the DSM at that time.
Yeah, I feel it is worth optimizable, too. One
The attached is a patch to optimize contrib/pgbench using new 8.3 features.
- Use DROP IF EXISTS to suppress errors for initial loadings.
- Use a combination of TRUNCATE and COPY to reduce WAL on creating
the accounts table.
Also, there are some cosmetic changes.
- Change the output of -v
