Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-19 Thread Bruce Momjian
Jesper Krogh wrote: > On 2010-05-18 18:57, Bruce Momjian wrote: > > jes...@krogh.cc wrote: > > > >> Hi > >> > >> I tried running pg_upgrade from the current snapshot of postgresql and > >> upgrading from 8.4.4 to the snapshot version. Everything seem to look fine > >> in the process and all tha

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-19 Thread Bruce Momjian
Bruce Momjian wrote: > > This is the "production system". I have absolutely no indications that > > anything should be wrong in there. It has run rock-solid since it got > > migrated (dump/restore) to 8.4 for about 7 months now. So I am a bit > > scared about you telling that it seems wrong. (but t

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-19 Thread Jesper Krogh
On 2010-05-18 18:57, Bruce Momjian wrote: jes...@krogh.cc wrote: Hi I tried running pg_upgrade from the current snapshot of postgresql and upgrading from 8.4.4 to the snapshot version. Everything seem to look fine in the process and all that came out was only "ok's" but when I tried a simpl

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Bruce Momjian
Jesper Krogh wrote: > On 2010-05-18 21:56, Bruce Momjian wrote: > > Jesper Krogh wrote: > > > >> On 2010-05-18 20:52, Bruce Momjian wrote: > >> > >>> This line above looks very odd because I didn't think the template0 > >>> datfrozenxid could be advanced. Can I see the output of this que

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Jesper Krogh
On 2010-05-18 21:56, Bruce Momjian wrote: Jesper Krogh wrote: On 2010-05-18 20:52, Bruce Momjian wrote: This line above looks very odd because I didn't think the template0 datfrozenxid could be advanced. Can I see the output of this query: SELECT datname, datfrozenxid, datal

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Bruce Momjian
Alvaro Herrera wrote: > Excerpts from jesper's message of mar may 18 13:22:12 -0400 2010: > > > j...@pal:~$ psql data > > psql (9.0beta1, server 8.4.1) > > WARNING: psql version 9.0, server version 8.4. > > Some psql features might not work. > > Type "help" for help. > > > > data# SELECT

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Alvaro Herrera
Excerpts from jesper's message of mar may 18 13:22:12 -0400 2010: > j...@pal:~$ psql data > psql (9.0beta1, server 8.4.1) > WARNING: psql version 9.0, server version 8.4. > Some psql features might not work. > Type "help" for help. > > data# SELECT datname, datfrozenxid FROM pg_database;

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Bruce Momjian
jes...@krogh.cc wrote: > First the new one.. > > j...@pal:~$ psql -p 5433 > psql (9.0beta1) > Type "help" for help. > > data=# SELECT datname, datfrozenxid FROM pg_database; > datname | datfrozenxid > ---+-- > template0 | 654 > postgres | 2374592801 > data

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Bruce Momjian
Jesper Krogh wrote: > On 2010-05-18 20:52, Bruce Momjian wrote: > > This line above looks very odd because I didn't think the template0 > > datfrozenxid could be advanced. Can I see the output of this query: > > > > SELECT datname, datfrozenxid, datallowconn FROM pg_database; > > > > > >

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Jesper Krogh
On 2010-05-18 20:52, Bruce Momjian wrote: This line above looks very odd because I didn't think the template0 datfrozenxid could be advanced. Can I see the output of this query: SELECT datname, datfrozenxid, datallowconn FROM pg_database; Only from the "old" database: data=# SELE

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Bruce Momjian
jes...@krogh.cc wrote: > > on the old and new servers, but if you can only provide these values on > > one of the two servers, it is still useful. Thanks. > > Hi Bruce, thanks for your prompt response. > > First the new one.. Great. > j...@pal:~$ psql -p 5433 > psql (9.0beta1) > Type "help" fo

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread jesper
> jes...@krogh.cc wrote: >> Hi >> >> I tried running pg_upgrade from the current snapshot of postgresql and >> upgrading from 8.4.4 to the snapshot version. Everything seem to look >> fine >> in the process and all that came out was only "ok's" but when I tried a >> simple query on the databse it k

Re: [HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread Bruce Momjian
jes...@krogh.cc wrote: > Hi > > I tried running pg_upgrade from the current snapshot of postgresql and > upgrading from 8.4.4 to the snapshot version. Everything seem to look fine > in the process and all that came out was only "ok's" but when I tried a > simple query on the databse it keeps throw

[HACKERS] pg_upgrade - link mode and transaction-wraparound data loss

2010-05-18 Thread jesper
Hi I tried running pg_upgrade from the current snapshot of postgresql and upgrading from 8.4.4 to the snapshot version. Everything seem to look fine in the process and all that came out was only "ok's" but when I tried a simple query on the databse it keeps throwing these message out of the back s