On Fri, Aug 27, 2021 at 3:24 PM Andres Freund <and...@anarazel.de> wrote: > I wonder if we could improve the situation somewhat by using the non-blocking > pqcomm functions in a few select places. E.g. if elog.c's > send_message_to_frontend() sent its message via a new pq_endmessage_noblock() > (which'd use the existing pq_putmessage_noblock()) and used > pq_flush_if_writable() instead of pq_flush(), we'd a) not block sending to the > client before AbortCurrentTransaction(), b) able to queue further error > messages safely.
pq_flush_if_writable() could succeed in sending only part of the data, so I don't see how this works. -- Robert Haas EDB: http://www.enterprisedb.com
