On Mon, Mar 17, 2014 at 8:29 AM, Andres Freund <andres@2ndquadrant.com> wrote:
>> Perhaps there could be a switch for an fsync interval, or something
>> like that. The default could be, say, to fsync every 10 seconds. And
>> if you want to change it, then go ahead; 0 disables. Writing to
>> standard output would be documented as unreliable. Other ideas
>> welcome.
>
> Hm. That'll be a bit nasty. fsync() is async signal safe, but it's still
> forbidden to be called from a signal on windows IIRC. I guess we can
> couple it with the standby_message_timeout stuff.
Eh... I don't see any need to involve signals. I'd just check after
each write() whether enough time has passed, or something like that.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company