Query mode switching method and device, service equipment and storage medium

The invention provides a query mode switching method and device, service equipment and a storage medium, and the method comprises the steps: obtaining first performance index data of a target query component, and calculating a first abnormal score; if the first abnormal score is greater than a score threshold, acquiring second performance index data of the database query component, and calculating a second abnormal score; if the first abnormal score is greater than the second abnormal score and is a target query component query mode, switching to a database query component; obtaining first performance index data of the target query component, and calculating a first abnormal score of the target query component according to the first performance index data of the target query component; and if the first abnormal score is smaller than or equal to a score threshold value and the current query mode is a database query component query mode, switching to a target query component, and obtaining first performance ind