In Windows (no matter 32bit or 64bit), The db_32k_cache_size parameter of oracledb is not supported.

In Windows (no matter 32bit or 64bit), The db_32k_cache_size parameter of oracledb is not supported.

The db_32k_cache_size parameter of oracle db is not supported in Windows (no matter 32bit or 64bit.

As follows:

F:\oracle\product\10.2.0\db_1\BIN>sqlplus / as sysdbaSQL*Plus: Release 10.2.0.4.0 - Production on Tue May 19 09:03:23 2015Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.Connected to:Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing options09:03:27 sys@FS> show parameter instNAME                                 TYPE        VALUE------------------------------------ ----------- ------------------------------active_instance_count                integercluster_database_instances           integer     1instance_groups                      stringinstance_name                        string      fsinstance_number                      integer     0instance_type                        string      RDBMSopen_links_per_instance              integer     4parallel_instance_group              stringparallel_server_instances            integer     109:03:31 sys@FS> show parameter 32kNAME                                 TYPE        VALUE------------------------------------ ----------- ------------------------------db_32k_cache_size                    big integer 009:03:37 sys@FS> alter system set db_32k_cache_size=10m;alter system set db_32k_cache_size=10m*ERROR at line 1:ORA-32017: failure in updating SPFILEORA-00382: 32768 not a valid block size, valid range [..]Elapsed: 00:00:00.0909:03:48 sys@FS> create tablespace tbs32K16:43:28   2  datafile 'c:\tbs32K.dbf' size 4M16:43:28   3  blocksize 32k;create tablespace tbs32K*ERROR at line 1:ORA-00382: 32768 not a valid block size, valid range [2048..16384]Elapsed: 00:00:00.4016:43:30 sys@FS>