文档介绍：How to Maximize Availability,
Performance, and Scalability with
Synchronous Replication, Auto-
Failover, and Flash Optimization
Dr. John R. Busch
Founder and CTO
Schooner Information Technology
@
Schooner Information Technology. October 21, 2011
© 2011 Schooner Information Technology, p1 .
Business’ Most Valuable Asset: Its Data
Data
§ Most important and ponent of modern
applications and websites
§ Driving revolutionary changes puting and the
Ø New opportunities for generating revenue
Ø More efficient use of current business processes and
infrastructure
§ Data access downtime or poor performance has a major cost
to a business’ bottom line
© 2011 Schooner Information Technology, p2 .
The Mission-Critical Imperative
“Let me tell you the difference between Facebook and everyone else, we
don't crash EVER! If our service is down for even a minute, our entire
reputation is irreversibly destroyed
Facebook and Google invest hundreds of millions of dollars every year on
custom software and hardware infrastructure to optimize availability,
performance, administration, and cost
© 2011 Schooner Information Technology, p3 .
The Mission-Critical Imperative
§ Providing high data availability, excellent response time is critical
for key classes of businesses
Ø Web
Ø eCommerce
Ø High-volume websites
Ø munications
§ They require a mission critical database
© 2011 Schooner Information Technology, p4 .
Mission-Critical Database Requirements
High
Simple and Standards
High Performance
Powerful Cost Effec
ve and
Availability and Data Integrity
Administra
pa
bility
Scalability
© 2011 Schooner Information Technology, p5 .
Mission-Critical Database Goals and Metrics
Goals Metrics
§ High Availability § Service unavailability (minutes/year) from
failures, disaster recovery, or during planned
administration