Uses SSDs as a second-level cache to improve performance by reducing disk I/O. Performance & Stability Upgrading Oracle XE 11.2.0.2 to 11.2.0.4

Despite its age, the 11.2.0.4 download remains highly sought after for several reasons:

Accept defaults for the script prompts. Once finished, click OK in the installer to finish.

Specific settings for shmmax , shmall , and nproc must be configured in /etc/sysctl.conf . 4. The Upgrade Path