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Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: Simon Riggs <simon(at)2ndQuadrant(dot)com>,Fujii Masao <masao(dot)fujii(at)gmail(dot)com>,Aidan Van Dyk <aidan(at)highrise(dot)ca>,PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Re: [COMMITTERS] pgsql: Make standby server continuously retry restoring the next WAL
Date: 2010-03-19 13:28:48
Message-ID: 20100319132848.GA3301@alvh.no-ip.org (view raw or flat)
Thread:
Lists: pgsql-committerspgsql-docspgsql-hackers
Heikki Linnakangas escribió:

> When recovery reaches an invalid WAL record, typically caused by a
> half-written WAL file, it closes the file and moves to the next source.
> If an error is found in a file restored from archive or in a portion
> just streamed from master, however, a PANIC is thrown, because it's not
> expected to have errors in the archive or in the master.

Hmm, I think I've heard that tools like walmgr do incremental copies of
the current WAL segment to the archive.  Doesn't this change break that?
(Maybe I'm confused and it doesn't work that way)

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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