Hi, On 2016-05-23 17:19:09 +0800, Craig Ringer wrote: > Hi all > Following on from the foreign table batch inserts thread, here's a patch > to add support for pipelining queries into asynchronous batches in libpq.
Yay! > I'm measuring 300x (not %) performance improvements doing batches on > servers over the Internet, so this seems pretty worthwhile. It turned out > to be way less invasive than I expected too. yay^2. > (I intentionally didn't add any way for clients to annotate each work-item > in a batch with their own private data. I think that'd be really useful and > would make implementing clients easier, but should be a separate patch). > > This should be very useful for optimising FDWs, Postgres-XC, etc. And optimizing normal clients. Not easy, but I'd be very curious how much psql's performance improves when replaying a .sql style dump, and replaying from a !tty fd, after hacking it up to use the batch API. - Andres -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers