Re: Postgres HA

From: John R Pierce <pierce(at)hogranch(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Postgres HA
Date: 2017-02-23 06:08:41
Message-ID: 1d985480-08a3-7db8-b2cd-2c74cf82b6c8@hogranch.com
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On 2/22/2017 2:58 PM, Dylan Luong wrote:
> For PostgreSQL High Availability, we currently have setup a
> Master/Slave across two datacenters using PostgreSQL (WAL) streaming
> replication.

have you considered the ramifications of network problems between these
two datacenters? with a master/slave cluster, you need to avoid the
'split brain' scenario where both servers think they are master because
they can't reach the other.

--
john r pierce, recycling bits in santa cruz

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