On Tue, May 27, 2014 at 2:35 PM, Albe Laurenz <laurenz.a...@wien.gv.at>wrote:
> In PostgreSQL you can handle the problem of dying connections by setting > the > tcp_keepalives_* parameters (see > http://www.postgresql.org/docs/current/static/runtime-config-connection.html > ). > > That should take care of the problem, right? > > Yours, > Laurenz Albe > I am afraid it won't help: 1. AFAIK, in Linux TCP keepalive is used on idle connections only. If not all data is transmitted - connection is not idle - keep alive timer is not started. 2. POLLHUP mask is used (while setting poll fds) to catch keep alive timeout. Sadly, libpq sets (POLLIN | POLLERR). With regards, Dmitry Samonenko