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Don Burleson Blog 







KEEP pool data buffer hit ratio

Oracle Database Tips by Donald BurlesonNovember 7, 2015

Question:  I have a KEEP pool defined, and I do not see the data buffer hit ratios for the KEEP pool in my AWR report.  How do I get the data buffer hit ratio for my KEEP pool?

Answer:  The script will display the data buffer hit ratio for the KEEP pool:

   (1-(physical_reads/ decode(db_block_gets+consistent_gets, 0, .001, db_block_gets+consistent_gets)))*100 keep_pool_buffer_hit_ratio
   name = 'KEEP';

The following is a sample output from this script, showing the KEEP pool data buffer hit ratio.

The sample output shows the data buffer hot ration for the KEEP pool at 100%.

----------- ---------- ---------------
KEEP        16,384     1.00

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