Re: Query Speed!!!
От | Chris Albertson |
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Тема | Re: Query Speed!!! |
Дата | |
Msg-id | 20020709144650.93964.qmail@web14702.mail.yahoo.com обсуждение исходный текст |
Ответ на | Re: Query Speed!!! (Hans-Juergen Schoenig <hs@cybertec.at>) |
Ответы |
Re: Query Speed!!!
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Список | pgsql-general |
--- Hans-Juergen Schoenig <hs@cybertec.at> wrote: > Thirumoorthy Bhuvneswari wrote: > > hi, > > I am using Postgresql-7.1.3 with RedHat Linux-7.1 and > > JDBC. I am having an indexed table with nearly 3,000 > > records for a month. My machine is with 256 MB RAM, > > 600 MHz. I am having a report from the abovesaid > > table, which displays 1 month's records at a stretch > > using Swing components. If I run the query from the > > hard-disk > > it takes about 5 seconds to display all the 3,000 > > records. If I connect 3 nodes to it and run the query > > from a node, it takes about 1.5 minutes. I don't know > > where I am wrong. Please do reply. thanks. Please tell us two more things: 1) If you enter the query by hand at the psql prompt how long does the query take? 2) What is the SQL query? Show us the SQL you entered. I would expect much beter 10x to 100x speeds for most "normal" queries. But do the above _after_ a "vacuum full analyze" ===== Chris Albertson Home: 310-376-1029 chrisalbertson90278@yahoo.com Cell: 310-990-7550 Office: 310-336-5189 Christopher.J.Albertson@aero.org __________________________________________________ Do You Yahoo!? Sign up for SBC Yahoo! Dial - First Month Free http://sbc.yahoo.com
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