Michael Holt <mh...@terapeak.com> writes:
> We've had a system in operation for a few years that makes use of a
> substantial amount of partitioning. The parent table now has over 4,000
> children tables. Within the last couple of days the server started giving
> "out of shared memory" errors with the suggestion to increase the
> max_locks_per_transaction.
> If the parent table is queried will it require a lock for each one of the
> child tables? I'm guessing it will.
Yup, it will. I'm a bit astonished that you've gotten this far without
horrid performance problems. The underlying mechanisms for inheritance
aren't really designed to scale past perhaps a hundred child tables.
regards, tom lane
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