Обсуждение: Re: [SQL] Monitoring a Query
Roberto Mello wrote: > On Mon, Sep 23, 2002 at 10:48:30AM -0400, Bruce Momjian wrote: > > > > > > > > > > Would it be a good idea to add the time that the current query began > > > > > execution at to pg_stat_activity? > > > > > > > > What do people think about this? It seems like a good idea to me. > > > > > > OpenACS has a package called "Developer Support" that shows you (among > > > other things) how long a query took to be executed. Very good to finding > > > out slow-running queries that need to be optimized. > > > > 7.3 will have GUC 'log_duration' which will show query duration. > > Forgive my ignorance here, but what is GUC? And how would I access the > query duration? GUC is postgresql.conf and SET commands. They are variables that can be set. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
Bruce Momjian dijo: > Roberto Mello wrote: > > Forgive my ignorance here, but what is GUC? And how would I access the > > query duration? > > GUC is postgresql.conf and SET commands. They are variables that can be > set. Just for the record, GUC is an acronym for "Grand Unified Configuration". -- Alvaro Herrera (<alvherre[a]atentus.com>) "El hombre nunca sabe de lo que es capaz hasta que lo intenta" (C. Dickens)
Alvaro Herrera wrote: > Bruce Momjian dijo: > > > Roberto Mello wrote: > > > > Forgive my ignorance here, but what is GUC? And how would I access the > > > query duration? > > > > GUC is postgresql.conf and SET commands. They are variables that can be > > set. > > Just for the record, GUC is an acronym for "Grand Unified > Configuration". Thanks. I couldn't remember that. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073