If the heap size is affected by the content of the records as much as by the number of records, then the fewer records may be larger (wider?) than the records with the greater quantity. Does the data size of your fields vary significantly?
If the heap size is affected by the content of the records as much as by the number of records, then the fewer records may be larger (wider?) than the records with the greater quantity. Does the data size of your fields vary significantly?
