For example, all the top countries with the lowest life expectancy worldwide are in Africa The countries with the highest life expectancy are Japan, Switzerland, Singapore, and Spain CausesPage Reads/sec (Physical Reads) Dropped because we're not cycling data in and out of cache as much % Processor Time Dropped due to lower I/O, more efficient queries, less pressure on procedure cache, etc Page Life Expectancy Raised significantly, but you saw that coming;
Life Expectancy Wikipedia
