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Re: PITR: XLog File compression on Archive

From: "Zeugswetter Andreas SB SD" <ZeugswetterA(at)spardat(dot)at>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>,"Simon Riggs" <simon(at)2ndquadrant(dot)com>
Cc: "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>,"PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PITR: XLog File compression on Archive
Date: 2004-08-24 07:43:45
Message-ID: 46C15C39FEB2C44BA555E356FBCD6FA40184D178@m0114.s-mxs.net (view raw or flat)
Thread:
Lists: pgsql-hackers
> PS: but something you *could* do in 8.0 is replace "cp" by "gzip" to
> archive compressed files that way.

How about replacing the page image records with a same size dummy record 
that only contains a dummy header and all 0's. If the archiver cares about 
space he will use some sort of compression anyway.

Andreas

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