Multistage Queries

In non-mirror mode, the HPE DAH supports multistage querying. You can configure the stage information for multistage querying in the HPE DAH configuration file. A multistage query is processed in stages across specified VDBs. The specified VDBs serve the query in stages, until they find the required number of results.

You enable multistage querying by using the MultiStage or MultiStageMinResults action parameters with Query or SuggestOnText actions. For details of multistage action parameters, refer to the IDOL Server Reference.

NOTE:

If you specify the total number of stages and VDBs to use at each stage by using parameters in the Query or SuggestOnText action, these settings override the HPE DAH configuration settings for multistage querying.


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