[pgpool-general: 6104] Re: read your own writes

[Tatsuo Ishii]

>> On May 23, 2018, at 08:42, Mario V <mariovikale at hotmail.com> wrote:
>> Is there a way to enforce this stickiness so that all statements belonging to the same transaction would go to the same node
>> which in this case would be the primary?
> 
> If the entire sequence is wrapped in a transaction:
> 
> 	BEGIN;
> 	-- writes
> 	-- reads
> 	COMMIT;
> 
> The reads will always come from the primary, since all explicit transactions are routed to the primary.

With upcoming Pgpool-II 4.0, which is supposed to be released by the
end of this year, will do this even outside transactions. This has
been already in master branch. Also I wrote a small blog regarding
this feature.

http://pgsqlpgpool.blogspot.jp/2018/04/more-load-balancing-fine-control.html

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp