exadata performance optimization
TRANSCRIPT
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?
4
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?
6
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?
7
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
9
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
11
Exadata Rumors and Truths
12
• 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?
