Step 1:
Login in
>export ORACLE_SID=test
>sqlplus /nolog
> conn / as sysdba or conn sys/password as sysdba
>ALTER SYSTEM SET sga_max_size = 1711276032 COMMENT='internally adjusted' SCOPE=SPFILE;
>ALTER SYSTEM SET sga_target = 1711276032 SCOPE=BOTH;
Step 2:
>shutdown immediate
>startup
>show sga
Finally you can see your expected SGA size
