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Home -> Community -> Mailing Lists -> Oracle-L -> RE: keep pool
AK
Since I don't see where anyone posted a reply to your question, here are
the lines I added to my init.ora to implement the keep and recycle pools.
This is a 4-CPU system. It took me awhile to understand that you need to
increase the latches, but not by much.
db_block_buffers = 200000
db_block_lru_latches = 6
buffer_pool_keep = (buffers:90000, lru_latches:2)
buffer_pool_recycle = (buffers:10000, lru_latches:1)
Dennis Williams
DBA, 40%OCP, 100% DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com
-----Original Message-----
Sent: Monday, March 17, 2003 9:39 AM
To: Multiple recipients of list ORACLE-L
Hi List ,
I have a 8.1.6 db running on hp-ux 2 cpu . currently it has default db block
lru latches ( i guess this should be 1 since oracle sets it to cpu/2 ) .
Now I want to configure keep pool . Which will requires at least 1 lru
latches . So I need to specify db block lru latches > 1 ( rite ? ) . Now my
question is what should be a good value for db block lru latches and keep
pool lru lactes . I have 50000 blocks for db buffers (8K) in total , out of
which i am initiallly planning to take 8000 for keep pool . what other
consideration i should keep in mind before i set keep pool .
-thanks
ak
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Author: DENNIS WILLIAMS
INET: DWILLIAMS_at_LIFETOUCH.COM
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