Hit is the number of times a statement is requested and it is found in the cache. A Miss is when it is requested and not found in the cache.

For Rowcache the most important hit ratios to consider are dcobjects and dcsysnoyms. The sum of misses to gets should be less than 15%.

Maybe this link will be of some help. Check it out.

http://www.ecst.csuchico.edu/~melody...tune_stats.htm