…manual: The cache miss rate can be calculated as Key_…hit ratio the user desires by running silly queries that do nothing but cause buffer hits, skewing the result towards “this ratio…haven’t shown you how to choose an appropriate …cache hit ratio.” This is a shame. When you are new to MySQL, trying to…
Post: MySQL Query Cache
July 27, 2006 By 69 Comments
…hits/(Com_select+Qcache_hits). As you can see we have to add Qcache_hits to Com_select to get total number of queries as if query cache hit…
Post: SHOW INNODB STATUS walk through
July 17, 2006 By 40 Comments
…how to use this info to improve MySQL Performance. To…calculated…hit ratio which measures buffer pool efficiency. 1000/1000 corresponds to 100% hit rate. It is hard to tell what buffer pool hit…hit rate of 995/1000. ————– ROW OPERATIONS ————– 0 queries inside InnoDB, 0 queries…
