(cherry picked from commit80f11e6ae0) SERVER-49507 Reduce memory consumption in startup repair when rebuilding unique indexes with a large number of duplicate records (cherry picked from commite25d43ca2b)
(cherry picked from commit80f11e6ae0) SERVER-49507 Reduce memory consumption in startup repair when rebuilding unique indexes with a large number of duplicate records (cherry picked from commite25d43ca2b)