Re: Transaction wraparound problem with database postgres

From: "Markus Wollny" <Markus(dot)Wollny(at)computec(dot)de>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: <pgsql-general(at)postgresql(dot)org>
Subject: Re: Transaction wraparound problem with database postgres
Date: 2008-03-21 21:56:55
Message-ID: 28011CD60FB1724DBA4442E38277F6260896ED3D@hermes.computec.de
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Hi!

Thanks for all the quick replies :)

Tom Lane wrote:
> "Markus Wollny" <Markus(dot)Wollny(at)computec(dot)de> writes:
>> Just some more info, hoping that it helps with a diagnosis:
>
>> 1: datname (typeid = 19, len = 64, typmod = -1, byval = f)
>> 2: age (typeid = 23, len = 4, typmod = -1, byval = t)
>> 3: datfrozenxid (typeid = 28, len = 4, typmod = -1,
>> byval = t) ---- 1: datname = "postgres"
>> (typeid = 19, len = 64, typmod = -1, byval = f) 2: age =
>> "-2147321465" (typeid = 23, len = 4, typmod = -1, byval =
>> t) 3: datfrozenxid = "1835116837" (typeid = 28, len = 4, typmod =
>> -1, byval = t)
>
> What are the datfrozenxid's of the other rows in pg_database?
> Do the other fields of postgres' row look sane?

Yes, there were no issues on any of the databases that are actually in use:

# select datname, age(datfrozenxid), datfrozenxid from pg_database;
datname | age | datfrozenxid
------------+-----------+--------------
rpfcms | 104213725 | 3881601233
rpfflash | 147289015 | 3838525943
postgres | 103052193 | 3882762765
template1 | 104213787 | 3881601171
template0 | 3052193 | 3982762765
ezpublish | 147419044 | 3838395914
community | 147566532 | 3838248426
abo | 147689637 | 3838125321
bluebox | 147679271 | 3838135687
cbox | 147582662 | 3838232296
mpo | 147309716 | 3838505242
newsletter | 147309110 | 3838505848
pcaction | 147297707 | 3838517251
pcgames | 147291588 | 3838523370
magazine | 147419044 | 3838395914

Only the 'postgres' db was affected - which is puzzling because we don't actually use this database actively for anything.

Kind regards

Markus

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