CMDB changes cause MySQL to select bad index for query execution, affecting performanceDescriptionThe migration of CDMB to Table Per Partition can introduce uneven indexing for reference fields, which causes MySQL to select bad indexes for query execution. The result is that queries are slower during execution and might cause performance degradation for transactions triggering these queries.Steps to Reproduce There are no specific steps to reproduce due to the nature of the problem.WorkaroundContact ServiceNow Customer Support.Related Problem: PRB1235823