Re: recycle and keep buffer in other tablespace block sizes
- From: J.Velikanovs@xxxxxxxx
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 21 Jul 2004 19:13:02 +0300
SYS:jozh> @par
Parameters vai dala no ta :db_block_size
NAME VALUE
----------------------------------------
-------------------------------------------------------
db_block_size 8192
SYS:jozh> @par
Parameters vai dala no ta :db_2k_cache_size
NAME VALUE
---------------------------------------- ---------------------
db_2k_cache_size 0
SYS:jozh> CREATE TABLESPACE TEST2K
SYS:jozh> DATAFILE 'D:\ORACLE\ORADATA\JOZH\TEST2K.ora' SIZE 5M
SYS:jozh> BLOCKSIZE 2K;
CREATE TABLESPACE TEST2K
*
ERROR at line 1:
ORA-29339: tablespace block size 2048 does not match configured block
sizes
have added db_2k_cache_size=10M to init.ora
SYS:jozh> @par
Parameters vai dala no ta :db_2k_cache_size
NAME VALUE
---------------------------------------- ----------
db_2k_cache_size 12582912
SYS:jozh> CREATE TABLESPACE TEST2K
SYS:jozh> DATAFILE 'D:\ORACLE\ORADATA\JOZH\TEST2K.ora' SIZE 5M
SYS:jozh> BLOCKSIZE 2K;
Tablespace created.
SYS:jozh> create table test2ktab (n number) tablespace test2k;
Table created.
SYS:jozh> begin
SYS:jozh> for f in 1..10000 loop
SYS:jozh> insert into test2ktab values (f);
SYS:jozh> end loop; commit;
SYS:jozh> end;
SYS:jozh> /
PL/SQL procedure successfully completed.
SYS:jozh>
have removed db_2k_cache_size from init.ora
SYS:jozh> select DATA_OBJECT_ID from dba_objects where object_name =
'TEST2KTAB';
DATA_OBJECT_ID
--------------
10047
SYS:jozh> select count(*) from test2ktab;
COUNT(*)
----------
10000
SYS:jozh> select count(*) from v$bh where OBJD=100047;
COUNT(*)
----------
0
Any ideas?
Where I go wrong?
Jurijs
9268222
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J.Velikanovs@xxxxxxxx
Sent by: oracle-l-bounce@xxxxxxxxxxxxx
21.07.2004 18:39
Please respond to oracle-l
To: oracle-l@xxxxxxxxxxxxx
cc:
Subject: Re: recycle and keep buffer in other tablespace
block sizes
Good point :)
I am going to check.
Jurijs
9268222
============================================
http://otn.oracle.com/ocm/jvelikanovs.html
"Juan Carlos Reyes Pacheco" <jreyes@xxxxxxxxxxxxxxxx>
Sent by: oracle-l-bounce@xxxxxxxxxxxxx
21.07.2004 18:23
Please respond to oracle-l
To: <oracle-l@xxxxxxxxxxxxx>
cc:
Subject: Re: recycle and keep buffer in other tablespace
block sizes
Hi Jurijs, thanks,
my default block size is 8K
If have a table in a 2k tablespace with the flag to be cached in the keep
pool.
How it is cached?
It takes 8K???? in the keep cache
Could you please give more information :)
-------Original Message-------
From: oracle-l@xxxxxxxxxxxxx
Date: 07/21/04 11:00:14
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: recycle and keep buffer in other tablespace block sizes
Those are hidden! Try:
__DB_2K_KEEP_CACHE_SIZE
__DB_2K_RECYCLE_CACHE_SIZE
Just joken ;)
There no K/R/D for diferent block sizes. Just one cache per block size ;)
Jurijs
9268222
============================================
http://otn.oracle.com/ocm/jvelikanovs.html
"Juan Carlos Reyes Pacheco" <jreyes@xxxxxxxxxxxxxxxx>
Sent by: oracle-l-bounce@xxxxxxxxxxxxx
21.07.2004 16:57
Please respond to oracle-l
To: <oracle-l@xxxxxxxxxxxxx>
cc:
Subject: recycle and keep buffer in other tablespace block
sizes
Hi list I'm investigating this,
if your default blocksize is 8k, and you create a tables using 2k block
you have the
ALTER SYSTEM SET DB_2K_CACHE_SIZE = 100M;
to set the size for this block cache
But how do you set the keep and recycle size for this block size
There are none of this parameter.
ALTER SYSTEM SET DB_2K_KEEP_CACHE_SIZE = 1M;
ALTER SYSTEM SET DB_2K_RECYCLE_CACHE_SIZE = 1M;
Thank you
Juan Carlos Reyes Pacheco
OCP
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