Re: [GENERAL] [PERFORM] Strange performance degradation

2009-11-25 Thread Matthew Wakeling
On Tue, 24 Nov 2009, Denis Lussier wrote: Bouncing the app will roll back the transactions. Depends on the application. Some certainly use a shutdown hook to flush data out to a database cleanly. Obviously if you kill -9 it, then all bets are off. Matthew -- Software suppliers are trying t

Re: [GENERAL] [PERFORM] Strange performance degradation

2009-11-24 Thread Denis Lussier
Bouncing the app will roll back the transactions. If there were any pending updates/inserts, wouldn't he be able to see them in one of the system tables... On 11/24/09, Matthew Wakeling wrote: > On Tue, 24 Nov 2009, Denis Lussier wrote: >> IMHO the client application is already confused and it'

Re: [GENERAL] [PERFORM] Strange performance degradation

2009-11-24 Thread Denis Lussier
IMHO the client application is already confused and it's in Prod. Shouldn't he perhaps terminate/abort the IDLE connections in Prod and work on correcting the problem so it doesn't occur in Dev/Test?? On 11/24/09, Matthew Wakeling wrote: > On Mon, 23 Nov 2009, Lorenzo Allegrucci wrote: >> Anyway

Re: [GENERAL] [PERFORM] Strange performance degradation

2009-11-24 Thread Matthew Wakeling
On Tue, 24 Nov 2009, Denis Lussier wrote: IMHO the client application is already confused and it's in Prod. Shouldn't he perhaps terminate/abort the IDLE connections in Prod and work on correcting the problem so it doesn't occur in Dev/Test?? The problem is, the connection isn't just IDLE - it

Re: [GENERAL] [PERFORM] Strange performance degradation

2009-11-20 Thread Matthew Wakeling
On Fri, 20 Nov 2009, Lorenzo Allegrucci wrote: performance is degrading... In normal conditions the postgres process uses about 3% of cpu time but when is in "degraded" conditions it can use up to 25% of cpu time. You don't really give enough information to determine what is going on here.