Re: Slow delete/insert.
От | Joshua D. Drake |
---|---|
Тема | Re: Slow delete/insert. |
Дата | |
Msg-id | 44EC6D63.4020507@commandprompt.com обсуждение исходный текст |
Ответ на | Slow delete/insert. (Thor Tall <tall_thor@yahoo.com>) |
Список | pgsql-admin |
> It takes 6 minutes to ingest the data with an empty > database and 25 minutes (wall time) if all the data is > already in the database. > The processing is done as follows: > 1. Start transaction > > 2. check if message is in table 1 and if so delete > records from table 1(1 row),2(2 rows),3(30 rows),4(50 > rows). > > 3. split the message and insert the date in table 1(1 > row),2(2 rows),3(30 rows),4(50 rows) > > 4. end transaction Put more inserts into a single transaction > > I need some suggestions so that I can ingest the data > faster. with the same computer and disks. We are > running redhat 7.2 on the server and I am using the c > interface to write the data to the server. What version of PostgreSQL? Joshua D. Drake > > Thanks for any help, > Thor. > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings > -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/
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