Rick Schumeyer <[EMAIL PROTECTED]> writes:
> 1) People often ask about the memory settings in postgresql.conf.
Aside from the ones you mentioned, checkpoint_segments is my favorite
bottleneck. It doesn't matter for a read-mostly database, but under
any sort of write-intensive load you really got to bump it up. Note
that this is a disk space tradeoff not a memory tradeoff.
> I now believe
> that the "right" thing to do is this (in pg_hba.conf)
> # "local" is for Unix domain socket connections only
> local sameuser all md5
> local all postgres md5
> This seems to prevent a student from logging into anything other that
> his own database. Is this the best way?
It's kinda hardwired --- if you want to grant specific exceptions to
let B use A's database, you end up editing pg_hba.conf a lot. As of
8.2 I think the best way is to use GRANT/REVOKE CONNECT ON DATABASE.
regards, tom lane
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