Re: WAL file question

Tom Lane wrote:
> Geoffrey <lists(at)serioustechnology(dot)com> 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

Thanks Tom.

--
Until later, Geoffrey

Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety.
- Benjamin Franklin