On Tuesday, September 04, 2012 11:00 AM Andres Freund wrote:
On Tuesday, September 04, 2012 06:20:59 AM Tom Lane wrote:
> Andres Freund <and...@2ndquadrant.com> writes:
>> > I can see why that would be nice, but is it really realistic? Don't we
>> > expect some more diligence in applications using this against letting
>> > such a child continue to run after ctrl-c/SIGTERMing e.g. pg_dump in
>> > comparison to closing a normal database connection?
>> Er, what?  If you kill the client, the child postgres will see
>> connection closure and will shut down.  I already tested that with the
>> POC patch, it worked fine.

> Well, but that will make scripting harder because you cannot start another 
> single backend pg_dump before the old backend noticed it, checkpointed and 
> shut down.

  But isn't that behavior will be similar when currently server is shutting 
down due to 
  CTRL-C, and at that time new clients will not be allowed to connect. 
  As this new interface is an approach similar to embedded database where first 
API (StartServer)
  or at connect time it starts database and the other connection might not be 
allowed during 
  shutdown state.

With Regards,
Amit Kapila.

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