| From: | <Holger(dot)Friedrich-Fa-Trivadis(at)it(dot)nrw(dot)de> |
|---|---|
| To: | <arthurprs(at)gmail(dot)com> |
| Cc: | <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Which replication is the best for our case ? |
| Date: | 2015-06-29 15:37:36 |
| Message-ID: | C5DBACC6DCC7604C9E4875FD9C7968B11A14ED7E04@ITXS01EVS.service.it.nrw.de |
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| Lists: | pgsql-general |
Arthur Silva wrote on Monday, June 29, 2015 5:23 PM:
> Therefore, I'm asking if it's possible to duplicate my main database on a
> slave server in order to run these cron on this second server... then,
> replicate these changes on the main database (master).
> http://www.postgresql.org/docs/9.3/static/warm-standby.html ?
If you do it the other way around, a hot standby (see: http://www.postgresql.org/docs/9.3/static/hot-standby.html) might work for you.
That is, your cron scripts would UPDATE the master server, and the Web site would do read-only queries against the slave server.
That’s for the built-in replication of PostgreSQL (sorry, I have no experience with the add-on replication solutions).
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