Re: Sync Rep v19

On Sun, 2011-03-06 at 16:51 +0900, Fujii Masao wrote:

> One comment; what about introducing built-in function to wake up all the
> waiting backends? When replication connection is closed, if we STONITH
> the standby, we can safely (for not physical data loss but logical one)
> switch the primary to standalone mode. But there is no way to wake up
> the waiting backends for now. Setting synchronous_replication to OFF
> and reloading the configuration file doesn't affect the existing waiting
> backends. The attached patch introduces the "pg_wakeup_all_waiters"
> (better name?) function which wakes up all the backends on the queue.

Will apply this as a separate commit.

-- Simon Riggs           http://www.2ndQuadrant.com/books/PostgreSQL Development, 24x7 Support, Training and Services