Keepalive for max_standby_delay

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>

To: pgsql-hackers@postgresql.org

Date: 2010-05-15T13:17:10Z

Lists: pgsql-hackers

Attachments

hs_keepalive.patch (text/x-patch) patch

Patch adds a keepalive message to ensure max_standby_delay is useful.

No WAL format changes, no libpq changes. Just an additional message type
for the streaming replication protocol, sent once per main loop in
WALsender. Plus docs.

Comments?

-- 
 Simon Riggs           www.2ndQuadrant.com