Marcus, This is probably better suited for -hackers.
JD On Wed, Jun 8, 2022 at 8:00 PM Ma, Marcus <marc...@amazon.com> wrote: > Hey, > > > > I’m currently working on a parallelization optimization of the Sequential > Scan in the codebase, and I need to share information between the workers > as they scan a relation. I’ve done a decent amount of testing, and I know > that the parallel workers all share the same dsa_area in the plan state. > However, by the time I’m actually able to allocate a dsa_pointer via > dsa_allocate0(), the separate parallel workers have already been created so > I can’t actually share the pointer with them. Since the workers all share > the same dsa_area, all I need to do is be able to share the single > dsa_pointer with them but so far I’ve been out of luck. Any advice? > > > > Marcus >
