Re: Replication with 9.4

From: Edson Richter <edsonrichter(at)hotmail(dot)com>
To: pgsql-general(at)postgresql(dot)org, Madovsky <infos(at)madovsky(dot)org>
Subject: Re: Replication with 9.4
Date: 2015-10-03 12:46:47
Message-ID: COL402-EAS238E3E7C13F903A137D3EEECF4A0@phx.gbl
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---- Madovsky escreveu ----

> Hi,
>
> I would like to fix a issue I'm facing of with the version 9.4 streaming
> replication.
> is it possible to set on the fly the synchronous commit on the master
> (or standby?)
> which only sync commit the hot standby node used by the client who has a
> read only sql session on?
> example:
> node1 node2 node3 are hot standby with replication slots (physical) on
> master 1
> node1 has the priority 1 since it's first on the names list
> now a client open a ready only session on node3 and start a transaction
> update

Sorry for my ignorance, but can you start a "transaction update" over a read only connection?

Edson

but
> within this transaction a sql select is done on the hot standby from the
> updated table
>
> thanks
>
> Franck
>
>
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