RE: Question about buffer cache

2003-02-20 Thread Darrell Landrum
Ok, another volley. I have the same objects and conditions as described below (default block size 8k and one 16k tablespace with one table). The 16k table is small ( create table blah (col1 varchar2(10), col2 number) tablespace my16ktbsp storage(buffer_pool KEEP);) -- insert data begin for i in 1

RE: Question about buffer cache

2003-02-20 Thread Darrell Landrum
John, My earlier assumptions were wrong (usually are, that's why I test). I set up a 9.2 instance with these parameters: db_cache_size=300M db_keep_cache_size=40M db_16k_cache_size=40M db_block_size=8192 Then, I created a tablespace MY16KTBSP with a 16k block size. Then, create table TESTA tables

RE: Question about buffer cache

2003-02-20 Thread Darrell Landrum
Hi John, If I'm understanding what I'm reading from the 9i Concepts Guide, I think that non-default block size objects can only go into the cache with the same block size (meaning it can't go into keep buffer). I'm making this assumption because we can't create a tablespace of 16k blocksize un

RE: Question about buffer cache

2003-02-19 Thread Baylis, John
Title: RE: Question about buffer cache I have indexes in a 16k page size tablespace. I have the following init.ora parameters: db_block_size=4096 db_cache_size=600M db_keep_cache_size=200M db_16k_cache_size=200M If I alter an index to put it in the keep pool, how does Oracle hande the