not able to set db_16k_cache_size

[Sameer]

SQL> show sga

Total System Global Area  135338868 bytes
Fixed Size                   453492 bytes
Variable Size             100663296 bytes
Database Buffers           33554432 bytes
Redo Buffers                 667648 bytes
SQL> show parameter db_cache_size

NAME                                 TYPE        VALUE
------------------------------------ ----------- -------------------
db_cache_size                        big integer 20971520
SQL> show parameter shared_pool_size

NAME                                 TYPE        VALUE
------------------------------------ ----------- -------------------
shared_pool_size                     big integer 33554432

SQL> show parameter large

NAME                                 TYPE        VALUE
------------------------------------ ----------- -------------------
large_pool_size                      big integer 8388608
SQL> show parameter db_16K

NAME                                 TYPE        VALUE
------------------------------------ ----------- -------------------
db_16k_cache_size                    big integer 12582912
SQL>

I worked recently on the problem and it worked...

Thanks