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Home -> Community -> Mailing Lists -> Oracle-L -> RE: database link tuning
Paula
I was hoping someone with more specific experience in this area. Here is a quote from Oracle Performance Tuning 101:
Be particularly when joining a local table to a remote table.
My vote if you only have 60 rows would be to populate a local table with those rows before running your query.
Dennis Williams
DBA, 40%OCP
Lifetouch, Inc.
dwilliams_at_lifetouch.com
-----Original Message-----
Sent: Friday, November 08, 2002 11:40 AM
To: Multiple recipients of list ORACLE-L
BTW, Was doing join of views pointing to tables through 2 database links and gateway. Just wondering - faster to move the tables then perform join locally esp. if I can do CTAS each time - hmmmm.
-----Original Message-----
Sent: Friday, November 08, 2002 12:34 PM
To: 'ORACLE-L_at_fatcity.com'
Trying to bring over 60 rows with database link and write to table using CTAS. It is taking forever - going through Oracle - going through another Oracle that is hooked up with a gateway to Informix - yuck!!
The waits are:
Event Waits Waits/sec % total Wait Time (ms) Wait Time/sec % total Average Wait SQL*Net more data from dblink 1352 80.8709175738725 99.1202346041056 14250 852.374685967221 0 0
Any ideas how to speed up other than getting another gateway, creating ascii file and using direct load. Is there a way to tune related to Net8, database links?
Thanks,
Paula
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: DENNIS WILLIAMS
INET: DWILLIAMS_at_LIFETOUCH.COM
Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services ---------------------------------------------------------------------To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). Received on Fri Nov 08 2002 - 13:43:30 CST
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