Re: What is WAL used for? - Mailing list pgsql-general

From Jonathan Bartlett
Subject Re: What is WAL used for?
Date
Msg-id Pine.GSU.4.44.0312011259320.11016-100000@eskimo.com
Whole thread Raw
In response to Re: What is WAL used for?  ("Holger Hoffstaette" <usenet@wizards.de>)
Responses Re: What is WAL used for?
List pgsql-general
> WAL with ext3's data journaling is quite unnecessary because the WAL
> sort of IS the database's journal.

I believe you are mistaken.  ext3 data journalling only does the
filesystem.  It has no concept of the structure of the database itself.
WAL is still necessary to keep consistency on the table itself.

>
> Holger
> --
> A: Maybe because some people are too annoyed by top-posting.
> Q: Why do I not get an answer to my question(s)?
> A: Because it messes up the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
>
>
>
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