What to do if If Buffer Hit ratio is less than 95%

Question Posted / ritesh_garg03

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What to do if If Buffer Hit ratio is less than 95%..

Answer / vinay

u can increase the buffer size using parameter

abap/buffer_size

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What to do if If Buffer Hit ratio is less than 95%..

Answer / kiran

95% is not the key element here, you have to look for swaps,
if the swap is too huge and increasing by some 10k or more
per day, then you really need to increase the
abap/buffer_size parameter.Even if you increase the above
parameter ,it is not mandatory that the hit ratio will reach
99%, it can still remain the same or can even go down.

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What to do if If Buffer Hit ratio is less than 95%..

Answer / ramreddy

hi,
if the buffer hit ratio is less than 95% make sure that u
don't want to increase the parameter directly, you have to
analyze the buffer hit ratio from past 15 -20 days onwards.
take daily report like buffer hit ratio and at what time it
is less than 95 then remind at that time is there any long
program mes has been running and make sure that you have to
schedule peak off time ,and if you have more than one
application server u can go for
rdisp/buffer_mode=sendon,exeauto.this parameter will
syncronizing the buffers between application servers.

you have to chesk physical reads and logical reads.

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