Re: transaction ID wrap limit is 2147484146 Start Postgresql with error in Logfile

See:

<http://www.postgresql.org/docs/8.0/interactive/
maintenance.html#VACUUM-FOR-WRAPAROUND>

Charley

On Dec 12, 2005, at 5:00 AM, Agnes Bocchino wrote:

> Hi,
> we are new-new on PostgreSQL,
> we are making a benchmark on a Database of 300GB, and postgresql
> 8.1 on AIX 5.3
> after having loading the Database, creating indexes , executing the
> analyze commands
> we have launched a select query, the elapsed time for this query
> was 13 hours,
> after this execution we fech the logfile and we have found the
> following message :
> transaction ID wrap limit is 2147484146, limited by database
> "postgres"
>
> these parameters are set
> export PGDATA=/INST/PG81
> export PGUSER=pg_810
> export pg_810=/INST/TMP
>
> We have 3GB of memory and put these settings :
>
> shared_buffers = 12288                  # min 16 or
> max_connections*2, 8KB each
> work_mem = 12288                        # min 64, size in KB
> #maintenance_work_mem = 49152           # min 1024, size in KB
> maintenance_work_mem = 262144           # min 1024, size in KB, 256M
>
> We stopped the instance and started again and the message still
> appears:
>
> We don't know if it is an informatio message or an error message .
> We don't understand why the message is like we will be on another
> PGDATA "postgres" ,
> but we are on the right one.
>
> Someone can help us ?
> Thanks
> regards
>
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