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time-delayed standbys

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: time-delayed standbys
Date: 2011-04-20 02:47:16
Message-ID: BANLkTi==TTzHDqWzwJDjmOf__8YuA7L1jw@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
While I was out at the MySQL conference last week, I heard that one of
the forthcoming MySQL features is "time-delayed replication":

http://forge.mysql.com/worklog/task.php?id=344

That is, a standby configured such that replay lags a prescribed
amount of time behind the master.

This seemed easy to implement, so I did.  Patch (for 9.2, obviously) attached.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Attachment: time-delayed-standby.patch
Description: application/octet-stream (5.8 KB)

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