Re: Listen/notify across clusters

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: Andreas Karlsson <andreas(at)proxel(dot)se>, Greg Jaskiewicz <gryzman(at)mac(dot)com>, Christopher Browne <cbbrowne(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: Listen/notify across clusters
Date: 2013-07-17 18:47:46
Message-ID: 51E6E6D2.8060602@dunslane.net
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On 07/17/2013 02:08 PM, Josh Berkus wrote:
>
>> There shouldn't be any major problems with implementing LISTEN on the
>> slaves since LISTEN is done in memory.
> Actually, that's not the hard part. Listeners need to be registered on
> the standby, which requires a write to a system catalog, currently.

Er, not since 9.0 I think - there is no pg_listener any more.

cheers

andrew

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