This blog post quickly scan through the new features of Exadata Database Machine in 19.2 and also hardware capacity and change in Exadata X8 server.
- Exadata Database Machine Software 19.2.0, supports Exadata X8-2 and X8-8 hardware
- Changes in IORM's flashcachesize and Disk I/O limits attributes
- To control the cost of Exadata storage, X8 introduced a new configuration, Exadata Storage Extended (XT)
- The XT model comes with 14TB hard drives with HCC compression capacity
- The XT model doesn't have flash drive
- The lower cost storage option comes with one CPU, less memory and without the core feature of SQL offloading
- Exadata X8 server has the below hardware capacity per rack:
- Limit of 912 CPU core and 28 TB memory
- 2-19 database servers
- 3-18 cell storage
- 920 TB of RAW flash capacity
- 3 PB of RAW disk capacity
References:
https://www.oracle.com/a/ocom/docs/engineered-systems/exadata/exadata-x8-2-ds.pdf
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmso/whats-new-oracle-exadata-database-machine-19.2.html#GUID-B2A6BEAD-873A-4524-82EF-CDF53098820B
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