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Plans for Hot Standby

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Plans for Hot Standby
Date: 2008-10-01 08:18:49
Message-ID: 1222849129.4445.1420.camel@ebony.2ndQuadrant (view raw or flat)
Thread:
Lists: pgsql-hackers
Brief overview of plans over the next month:

There are two patches available now that are essential to Hot Standby.
* Infrastructure Changes for Recovery (recovery_infrastruc.v8.patch)
* Subtransaction Commits and Hot Standby (atomic_subxids.v4.patch)

Other patches will be coming soon, probably in 3 phases:
* connect, take snapshots, run queries
* block locking - allows active WAL recovery while queries in progress
* DDL locking - allows replay of relation locks during recovery

All help given so far has been greatly appreciated. Further input,
reviews and assistance will be essential. Many thanks.

-- 
 Simon Riggs           www.2ndQuadrant.com
 PostgreSQL Training, Services and Support


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