pg_xlog content

From: Siddharth Shah <siddharth(dot)shah(at)elitecore(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: pg_xlog content
Date: 2008-12-02 08:53:50
Message-ID: 4934F79E.9030804@elitecore.com
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Hi,

When I initialize database, pg_xlog direcory takes almost 17 MB size
Why pg_xlog/WAL takes 17 MB of size while there is no transaction
occurred ?

What is the content of pg_xlog , If it's only wal file it's must be
blank after on write of transaction on database.

regards,
Siddharth

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