Best Of The Best Tips About How To Increase Sga In Oracle 10g

I am increasing up to 2g; Increase the oracle sga_max_size setting in your pfile that you created from your spfile. Then in sql*plus start up the database using that pfile as follows.

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Alter the size of sga as required.

How to increase sga in oracle 10g. The value of the sga_max_size parameter defaults to the aggregate setting of all the sga components. Sql> startup to verify that the change was made: Alter system set sga_target=12g scope=spfile sid = ' orcl2 ';

In 10g, you can increase sga_max_size and adjust sga_target (you can set this equal to sga max size) and bounce the database to effectuate new sga. Sql> alter system set sga_max_size=2000m scope=spfile; 11520 mb is just an example.

You can expand the total sga size to a value equal to the sga_max_size parameter. Sql>alter system set sga_target=12g scope=spfile sid=’*’; This is a binary file.

Check the memory of your operating system before increasing the sga size. Assuming this is a linux box, make sure /dev/shm has more than 11520 mb* available space. Select decode( grouping(nm), 1, 'total', nm ) nm, round(sum(val/1024/1024)) mb from ( select 'sga' nm, sum(value) val from v$sga union all select 'pga', sum(a.value) from v$sesstat a,.

Or in another way : It uses the spfilesid.ora in the $oracle_home/dbs directory. Tio change the parameter(s) you should use:

Alter system set sga_max_size = xxxm scope =. The value of the sga_max_size parameter defaults to the aggregate setting of all the sga components. Tio change the parameter(s) you should use: