[progress Communities] [progress Openedge Abl] Forum Post: Re: Query Performance - How Can...

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ChUIMonster

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Network performance of the example you have shown will stink. That is because you are using share-locks. That will result in individual round-trip messages for each record as well as a one-way message to release the lock. If you add NO-LOCK then the records will be grouped into "queries" and bundled into messages. The number of records per message will be influenced by -Mm, -prefetchFactor, and -prefetchNumRecs. Using "FIELDS" can also have a substantial impact. You can measure this stuff with _actServer VST. Kbase 18342 explains network messages.

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