On Fri, Sep 17, 2010 at 6:49 AM, fazool mein <fazoolm...@gmail.com> wrote: > I am designing a heartbeat system between replicas to know when a replica > goes down so that necessary measures can be taken. As I see, there are two > ways of doing it: > > 1) Creating a separate heartbeat process on replicas. > 2) Creating a heartbeat message, and sending it over the connection that is > already established between walsender and walreceiver. > > With 2, sending heartbeat from walsender to walreceiver seems trivial. > Sending a heartbeat from walreceiver to walsender seems tricky. Going > through the code, it seems that the walreceiver is always in the > PGASYNC_COPY_OUT mode (except in the beginning when handshaking is done). > > Can you recommend the right way of doing this?
The existing keepalive feature doesn't help? 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
