in refresh, the estimate is updated only if it differs significantly from the previous value. Significantly is currently defined as >1% relative difference.
Instead of a fixed threshold, use a dynamic one based on the number of cached rows or the variance of row byte counts?
in
refresh, the estimate is updated only if it differs significantly from the previous value. Significantly is currently defined as >1% relative difference.Instead of a fixed threshold, use a dynamic one based on the number of cached rows or the variance of row byte counts?