Yes, that is exactly what I want to use! Unfortunately, it doesn't work if you access postgres through a JDBC connection. I don't know why. I found a posting from back in February which talks aobut this a little:
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http://archives.postgresql.org/pgsql-admin/2005-02/msg00055.php But I can't find anywhere where someone has fixed it. Am I the only one accessing postgres through JDBC? -Brent --- Tom Arthurs <[EMAIL PROTECTED]> wrote: > I have this in my postgresql.conf file and it works > fine (set the min to > whatever you want to log) > log_min_duration_statement = 3000 # -1 is disabled, > in milliseconds. > > Another setting that might get what you want: > > #log_duration = false > > uncomment and change to true. > > From the docs: > (http://www.postgresql.org/docs/8.0/interactive/runtime-config.html) > > Causes the duration of every completed statement > which satisfies > log_statement to be logged. When using this option, > if you are not using > syslog, it is recommended that you log the PID or > session ID using > log_line_prefix so that you can link the statement > to the duration using > the process ID or session ID. The default is off. > Only superusers can > change this setting. > > Brent Henry wrote: > > Help! After recently migrating to Postgres 8, > I've > > discovered to my horror that I can't determine > which > > queries are poorly performing anymore because the > > logging has drastically changed and no longer > shows > > durations for anything done through JDBC. > > > > So I'm desperately trying to do performance tuning > on > > my servers and have no way to sort out which > > statements are the slowest. > > > > Does anyone have any suggestions? How do you > > determine what queries are behaving badly when you > > can't get durations out of the logs? > > > > I have a perl script that analyzes the output from > > Postgres 7 logs and it works great! But it relies > on > > the duration being there. > > > > I did some searches on postgresql.org mailing > lists > > and have seen a few people discussing this > problem, > > but noone seems to be too worried about it. Is > there > > a simple work-around? > > > > Sincerely, > > > > Brent > > > > > > > > > ____________________________________________________ > > Sell on Yahoo! Auctions no fees. Bid on great > items. > > http://auctions.yahoo.com/ > > > > ---------------------------(end of > broadcast)--------------------------- > > TIP 5: don't forget to increase your free space > map settings > > > > > > > > ---------------------------(end of > broadcast)--------------------------- > TIP 2: Don't 'kill -9' the postmaster > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
