April 2017

This is a run through of a performance investigation into Oracle tablespace encryption. These are the versions this test was performed on:

$ cat /etc/oracle-release
Oracle Linux Server release 6.8
$ /u01/app/oracle/product/12.1.0.2/dbhome_1/OPatch/opatch lspatches
24315824;Database PSU 12.1.0.2.161018, Oracle JavaVM Component (OCT2016)
24006101;Database Patch Set Update : 12.1.0.2.161018 (24006101)

In this test I created an encrypted tablespace:

SQL> create tablespace is_encrypted datafile size 10m autoextend on next 10m encryption default storage(encrypt);

(this assumes you have setup a master encryption key already)
And I created an encrypted simple heap table with one row: