Bill, What happens if you do this in psql, also you can turn on duration logging in the backend and log the queries.
dave On Fri, 2004-07-09 at 16:24, Bill Chandler wrote: > Thanks to all who have responded. I now think my > problem is not related to deleting/recreating indexes. > Somehow it is related to JDBC cursors. It appears > that what is happening is that since I'm using > a fetch size of 5000, the command: > > FETCH FORWARD 5000 FROM JDBC_CURS_1 > > is being repeatedly sent to the server as I process > the result set from my query. Each time this command > is sent it it takes about 5 minutes to return which is > about the amount of time the whole query took to > complete before the performance degredation. So in > other words it looks as if the full select is being > rerun on each fetch. > > Now the mystery is why is this happening all of the > sudden? I have been running w/ fetch size set to 5000 > for the last couple of weeks and it did not appear to > be doing this (i.e. re-running the entire select > statement again). Is this what I should expect when > using cursors? I would have thought that the server > should "remember" where it left off in the query since > the last fetch and continue from there. > > Could I have inadvertently changed a parameter > somewhere that would cause this behavior? > > thanks, > > Bill > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to [EMAIL PROTECTED] so that your > message can get through to the mailing list cleanly > > > > !DSPAM:40eefff6170301475214189! > > -- Dave Cramer 519 939 0336 ICQ # 14675561 ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])