v$sgastat question

From: Guang Mei <zlmei_at_hotmail.com>
Date: Wed, 08 Jan 2003 13:00:14 -0800
Message-ID: <F001.0052AAC0.20030108130014@fatcity.com>

Hi:

I am trying to learn how to make use v$sgastat info in our oracle 8173 db.

Here is what I set for the instance:

shared_pool_size                 268435456
shared_pool_reserved_size        13421772
large_pool_size                  614400
java_pool_size                   1024000

I also got v$sgastat info:

SQL> select * from v$sgastat;

POOL        NAME                            BYTES


----------- -------------------------- ----------

            fixed_sga                       73888
            db_block_buffers            409600000
            log_buffer                    1024000
shared pool free memory                  20906472
shared pool miscellaneous                14755144
shared pool event statistics per sess      399280
shared pool db_files                        72496
shared pool transactions                   112392
shared pool fixed allocation callback         960
shared pool KGK heap                         6056
shared pool PX subheap                      10252

POOL        NAME                            BYTES


----------- -------------------------- ----------

shared pool db_block_hash_buckets          931096
shared pool db_block_buffers              6800000
shared pool table columns                   24328
shared pool sessions                       247940
shared pool State objects                  137424
shared pool PL/SQL MPCODE                 1623420
shared pool trigger defini                   2152
shared pool type object de                  31300
shared pool ktprhtnew3                    1760480
shared pool SYSTEM PARAMETERS               64168
shared pool PL/SQL DIANA                   913464

POOL        NAME                            BYTES


----------- -------------------------- ----------

shared pool dictionary cache              4276152
shared pool PLS non-lib hp                   2096
shared pool DML locks                       60480
shared pool trigger inform                    300
shared pool KQLS heap                     2055708
shared pool library cache                90144620
shared pool PX msg pool                     64496
shared pool sql area                    132286312
shared pool table definiti                   4096
shared pool processes                       79600
shared pool message pool freequeue         124552

POOL        NAME                            BYTES


----------- -------------------------- ----------

shared pool KGFF heap                       56060
shared pool pl/sql source                    5076
large pool  free memory                    614400
java pool   free memory                   1024000

37 rows selected.

Is there anything here obvious a potential problem? Is there something that can be improved based on the above info?

TIA Guang Mei

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Author: Guang Mei
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Received on Wed Jan 08 2003 - 15:00:14 CST