Re: Sync Rep v19

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>
To: Fujii Masao <masao.fujii@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgresql.org
Date: 2011-03-06T21:33:38Z
Lists: pgsql-hackers
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