Exadata Technical Overview - Oracle
Exadata Technical Overview - Oracle
Exadata Technical Overview - Oracle
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<strong>Exadata</strong> I/O Resource Management<br />
Mixed Workloads and Multi-Database Environment<br />
• Ensure different databases are allocated the<br />
correct relative amount of I/O bandwidth<br />
Database A Database B<br />
InfiniBand Switch/Network<br />
<strong>Exadata</strong> Cell <strong>Exadata</strong> Cell <strong>Exadata</strong> Cell<br />
Copyright © 2012, <strong>Oracle</strong> and/or its affiliates. All rights reserved.<br />
• Database A: 33% I/O resources<br />
• Database B: 67% I/O resources<br />
• Ensure different users and tasks within a<br />
database are allocated the correct relative<br />
amount of I/O bandwidth<br />
• Database A:<br />
• Reporting: 60% of I/O resources<br />
• ETL: 40% of I/O resources<br />
• Database B:<br />
• Interactive: 30% of I/O resources<br />
• Batch: 70% of I/O resources
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