On 2017-10-02 17:30:25 -0400, Tom Lane wrote: > Andres Freund <and...@anarazel.de> writes: > > Yes, that'd be a bad idea. It's not great to have memcpys in a critical > > section, but it's way better than pallocs. So we need to use some local > > buffers that this get copied to. > > Or replace the spinlock with an LWLock?
That'd probably be a good idea, but I'm loathe to do so in the back branches. Not at this callsite, but some others, there's some potential for contention. Greetings, Andres Freund -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers