disable knob ranking when important_knob_number is larger than knob_num

cmu-db / ottertune

The automatic DBMS configuration tool

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disable knob ranking when important_knob_number is larger than knob_num #392

Closed yangdsh closed 4 years ago

yangdsh commented 4 years ago

Fix the following issue: If the value of a tunable knob is never modified before, it will not be included in the ranked_knob in periodic_task, which makes it never be tuned here in GPR and DNN.