Search found 17 matches

by rachelsu
Wed Mar 29, 2006 10:04 pm
Forum: IBM<sup>®</sup> Infosphere DataStage Server Edition
Topic: keymgt slow performance?
Replies: 37
Views: 14094

Thank you!

Hi Siva, thanks very much for this ! I had similar findings after a few more tries :mrgreen: KeyMgt functions was identified to be the blocker after adding debug params and disabling other transforms...I was pretty shocked to find that - initially I was suspecting CRC32 or stage variable calculation...
by rachelsu
Wed Mar 29, 2006 7:21 pm
Forum: IBM<sup>®</sup> Infosphere DataStage Server Edition
Topic: keymgt slow performance?
Replies: 37
Views: 14094

keymgt slow performance?

In developing an upsert job, I tried KeyMgt functions to assign surrogate keys to a sequence file and output SKs and rest of the data to another sequence file...then load that into Oracle DB. Surprisingly, I found that KeyMgtGetNextValue gets 24 row/sec and KeyMgtGetNextValueConcurrent gets 12 row/s...