Re: Support Parallel Query Execution in Executor

On 4/8/06, Markus Schiltknecht <markus@bluegap.ch> wrote:
> ACK. As long as processes, signals and shared memory are used this could
> be as portable as PostgreSQL is now.

This is certainly the case.

> Ehm.. which additional I/O cost? Or do you count inter-process
> communication to I/O?

Inter-process will add a minimal amount, but if it's done correctly,
you'll still end up ahead.

> I'd like to help teaching PostgreSQL the art of parallel query
> execution.

Cool, we're not at the communication-level yet, but your help would be
appreciated.

> In case you're interested I'll compile a patch for review.

Surely!

--
Jonah H. Harris, Database Internals Architect
EnterpriseDB Corporation
732.331.1324