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Re: WAL file question

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Geoffrey <lists@xxxxxxxxxxxxxxxxxxxxx> writes:
> listing of wal file time stamps for one of our production databases:
> Nov 17 06:22 000000010000006100000013
> Nov 17 06:42 000000010000006100000014
> Nov 17 07:02 000000010000006100000015
> Nov 17 07:22 000000010000006100000016
> Nov 17 07:42 000000010000006100000017
> Nov 17 08:02 000000010000006100000018
> Nov 17 08:22 000000010000006100000019
> Nov 17 08:34 000000010000006100000012

> I would expect that these things are sequential, yet the file that I 
> would think would be the oldest (000000010000006100000012) has the 
> latest time stamp.

> What am I missing?

Most of those are probably old files that have been renamed into place
for future use --- and the renamer doesn't really worry about reusing
old files in order.  I suspect ...12 is the only one that's live.
A look at pg_controldata output would help you check that.

			regards, tom lane

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