On Thu, Apr 19, 2012 at 7:50 PM, Robert Haas <robertmh...@gmail.com> wrote:
> On 4/19/12, Jeff Janes <jeff.ja...@gmail.com> wrote:
>> The work around would be for the master to refuse to automatically
>> restart after a crash, insisting on a fail-over instead (or a manual
>> forcing of recovery)?
>
> I suppose that would work, but I think Simon's idea is better: don't
> let the slave replay the WAL until either (a) it's promoted or (b) the
> master finishes the fsync.   That boils down to adding some more
> handshaking to the replication protocol, I think.

It would be 8 bytes on every data message sent to the standby.

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

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