BP hit ratio = 1 - (BP physical reads / BP logical reads).
If all the BP physical reads are asynchronous, it should mean that the pages
are brought up to the bufferpool before the database manager needs them.
But in that case, the BP hit ratio will be 0% (BP physical reads = BP async.
physical reads = BP logical reads).
Could this formula BP hit ratio = 1 - ((BP physical reads - BP async.
physical reads) / BP logical reads) be more accurate or am I missing a point
Thanks for your help,