Re: page is uninitialized --- fixing - Mailing list pgsql-general

From Brad Nicholson
Subject Re: page is uninitialized --- fixing
Date
Msg-id 1206623385.26138.39.camel@bnicholson-desktop
Whole thread Raw
In response to Re: page is uninitialized --- fixing  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: page is uninitialized --- fixing
List pgsql-general
On Wed, 2008-03-26 at 15:31 -0400, Tom Lane wrote:
> Brad Nicholson <bnichols@ca.afilias.info> writes:
> > We just took a test database down (PG 8.1.11) fairly hard (pulled a SAN

> It could be that but not necessarily.  These could be pages that were
> allocated to put new tuples into, but the crash happened before the
> inserting transaction committed (and, in fact, before any of the
> associated WAL entries had made their way to disk -- else the empty
> pages would've been initialized during WAL replay).
>
> It would be easier to believe that if the uninitialized pages were all
> contiguous though.  Do you know that this table was under heavy insert
> load at the time?

It was.  This table is an insert only log table that was being heavily
was being heavily written to at the time of the crash.

Brad.


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