[GENERAL] Btree indizes, FILLFACTOR, vacuum_freeze_min_age and CLUSTER

2009-05-11 Thread Philipp Marek
Hello everybody, we're using postgresql 8.3 for some logging framework. There are several tables for each day (which are inherited from a common base), which - are filled during the day, - after midnight the indizes are changed to FILLFACTOR=100, and - the tables get CLUSTERed by the most import

Re: [GENERAL] Btree indizes, FILLFACTOR, vacuum_freeze_min_age and CLUSTER

2009-05-11 Thread Philipp Marek
Hello Alvaro, On Montag, 11. Mai 2009, Alvaro Herrera wrote: > Philipp Marek wrote: > > A few days before we found the machine much slower, because of the > > autovacuum processes that were started automatically ["autovacuum: VACUUM > > ... (to prevent wraparound)"]

Re: [GENERAL] Btree indizes, FILLFACTOR, vacuum_freeze_min_age and CLUSTER

2009-05-13 Thread Philipp Marek
On Mittwoch, 13. Mai 2009, Alvaro Herrera wrote: > > we're using postgresql 8.3 for some logging framework. > > > > There are several tables for each day (which are inherited from a common > > base), which > > - are filled during the day, > > - after midnight the indizes are changed to FILLFACTOR=1

Re: [GENERAL] Btree indizes, FILLFACTOR, vacuum_freeze_min_age and CLUSTER

2009-05-14 Thread Philipp Marek
On Donnerstag, 14. Mai 2009, Alvaro Herrera wrote: > Philipp Marek wrote: > > On Mittwoch, 13. Mai 2009, Alvaro Herrera wrote: > > > Do say, do you have any long-running transactions, or "idle" > > > transactions? Maybe someone opened a terminal somewhere and

Re: [GENERAL] Btree indizes, FILLFACTOR, vacuum_freeze_min_age and CLUSTER

2009-05-14 Thread Philipp Marek
On Donnerstag, 14. Mai 2009, Philipp Marek wrote: > On Donnerstag, 14. Mai 2009, Alvaro Herrera wrote: > > Philipp Marek wrote: > > > On Mittwoch, 13. Mai 2009, Alvaro Herrera wrote: > > > > Do say, do you have any long-running transactions, or "idle" >