Exadata Performance Optimization

The Exadata Story:

Tim Fox

Chief Technical Architect

Who is Enkitec?

3

• Oracle-centric Consulting Partner focusing on the Oracle

Technology Stack

• Exadata Specialized Partner status (one of a handful globally)

• Dedicated, In-house Exadata / Big Data / ODA / EMC / Dell

• 80+ Successful Exadata Implementations

• Additional Practices include

• Oracle RAC Implementation

• Oracle Golden Gate

• Oracle Applications Administration

• On-Call Database Administration

• APEX / Java / PL*SQL Development

Why is Exadata Different?

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Exadata does have a Secret Sauce

But it’s still just Oracle

Here

Sauce

What is Exadata?

5

Exadata is and always has been a Storage Technology

Secret Same Old

Database Servers

Storage Servers

Run a portion of the

database software

Really Fast

Network

(Infiniband)

What are the Exadata Features?

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Column Projection - Only return the Columns I asked for:

select column_2 from table

Drastically Reduces the Amount of Data Returned from

Storage to the Database Server

What are the Exadata Features?

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Predicate Filtering - Only return the Rows I asked for:

select column_2 from table where…

Further Reduces Data Returned to Database Server

What are the Exadata Features?

8

Storage Indexes - Tell me where the data isn’t

select cust_state

from customers

where cust_age > 35

Exadata vs Traditional System

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Perform Exadata Card Trick Here

Ask for a Volunteer

10

Database Server

Database Server

Storage Server

Storage Server

Storage Server

8K

Oracle

Block

SGA

Oracle

Records

PGA

Standard

Operations

Smart Scan

or

Offloaded

Operations

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Exadata Rumors and Truths

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• Can you Drop all your Indexes?

• Does it run Bad Code really well?

• Can Exadata run OLTP Workloads?

• Can Exadata run Mixed Workloads?

• Can Exadata run SAP, PeopleSoft,eBiz?

• Is Exadata a good Consolidation Platform?

Conclusion

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tim.fox@enkitec.com

www.enkitec.com