Post on 22-May-2015
transcript
The Exadata Story:
Tim Fox
Chief Technical Architect
Who is Enkitec?
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• 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?
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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?
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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
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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