On Wed, Dec 9, 2009 at 3:58 PM, Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> wrote: > True. Another idea I had was to introduce a callback that backend libpq > can call when the buffer fills. Walsender would set the callback to > ProcessStreamMsgs(). > > But if everyone is happy with just relying on the OS buffer to not fill > up, let's just drop it.
The OS buffer is expected to be able to store a large number of XLogRecPtr messages, because its size is small. So it's also OK to just drop it. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers