On Tue, Dec 18, 2018 at 08:39:36PM -0800, Patrick Mulrooney wrote: > Wondering if anyone had any thoughts on how to tweak my setup to get it to > read many files at once instead of one at a time when using file fdw and > partitions. I found this: https://www.postgresql.org/docs/current/parallel-safety.html |The following operations are always parallel restricted. |Scans of foreign tables, unless the foreign data wrapper has an IsForeignScanParallelSafe API which indicates otherwise. https://github.com/ergo70/vcf_fdw/blob/master/vcf_fdw/__init__.py => has no such API marker, since it's couple years old, same as multicorn. Justin
