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- Thu Nov 23, 2006 1:30 am
- Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
- Topic: Aggregator stage performance
- Replies: 24
- Views: 11564
method = sort/hash
What is happening when we mention method = sort / hash in aggregator stage? How do they differ? Hi, When using hash mode you should hash partition the input data by group keys. However if you select sort mode, then aggregator stage expects the sorted input data (in the previous stage data has to be...