Tuesday, February 11, 2014

Speaking at Collaborate14 in Las Vegas

12c Multi-Tenancy and Exadata IORM: An Ideal Cloud Based Resource Management



Cloud database enables administrators to scale up and down the resource usage according to the business requirements. Oracle 12c renders multi-tenancy to manage multiple pluggable databases within a multi-tenant container database. In an Exadata, at the compute nodes, the resource manager controls the resources among pluggable databases, and all this resource management is trickled down to the storage servers, where IORM controls the resources. This presentation lucidly explains as how a business can leverage the benefits of 12C multi-tenancy, DBRM, and IORM in an Exadata realm to have an ideal cloud based resource management.

 

Following is the welcome page for the Collaborate14.

Thursday, February 6, 2014

IORM Architecture in Exadata




From the database notes, the I/O requests are sent to the cell nodes. These requests go through the intelligent iDB protocol containing information pieces like database name, category name, consumer group etc. These I/O requests are placed in the CELLsrv I/O queues in the order they are received. Then these I/O requests are passed to the IORM, which prioritize these requests on the basis of IORM plan and then places them accordingly into the Cell disk queues.