Search found 17 matches

by epsidude
Tue Aug 27, 2013 8:44 am
Forum: IBM<sup>®</sup> Infosphere DataStage Server Edition
Topic: HASH File between read and write improved performance Why?
Replies: 3
Views: 1956

Thank you for the reply! The settings you asked about are: Array_Size = 32,767 Trans_Size = 0 Transaction Isolation Level = Insert without clearing or Transaction Isolation Level = Update existing rows only I reran the job using 1 & 1, and no Hash file, and it only took seconds to run! Could you...
by epsidude
Tue Aug 27, 2013 8:03 am
Forum: IBM<sup>®</sup> Infosphere DataStage Server Edition
Topic: HASH File between read and write improved performance Why?
Replies: 3
Views: 1956

HASH File between read and write improved performance Why?

Hi Everyone, Just wanted to see what people thought of this. I have a Datstage 8.1 Server job. The source is Oracle, and the target is Oracle. The source and target are on 2 different DB servers. The job reads from a DRS Stage, and then looks up against a Hash file to determine Inserts, and updates....