Rough draft slides for Web 2.0 Expo.

1. Virtualizing and Scaling
for the Future
Tuesday, March 29, 2011

2. Who am I?
Was Director of Architecture for MySQL
Founder/CTO Data Differential
Drizzle
Gearman
Memcached
Tuesday, March 29, 2011

3. In the beginning...
Tuesday, March 29, 2011

4. • 2008 Sun buys MySQL
• 2008 Drizzle forks from MySQL
• 2009 Oracle buys Sun
• 2010 Drizzle Developers split from Oracle
• 2011 First GA Release, Drizzle7
Tuesday, March 29, 2011

5. Drizzle
• Entirely Open Source RDBMS
• C++, with a MicroKernel Design
• No Gotchas
Tuesday, March 29, 2011

6. Drizzle7
(Quick Update)
Tuesday, March 29, 2011

7. Today’s Pluggable
Interfaces
• Replication • Table Functions
• Storage Engine • Functions
• Logging • Protocol
• Authentication • Query Rewrite
• Authorization • XA
Tuesday, March 29, 2011

8. HTTP Replication
Client Client
Cloud Service Client
HTTP Blob MySQL Drizzle
Streaming
SQL
Listener
Logging
Query Memcached Parser
Cache
Optimizer
Memcached Error Reporting
Executioner
Gearman Storage System
MicroKernel
Tuesday, March 29, 2011

9. Replication
• Google Protocol Buffer Based
• Replicates row transformations.
• Integrates today with RabbitMQ, Casandra.
Memcached, Gearman
Tuesday, March 29, 2011

10. INSERT
INSERT
Stored
Transactionally
UPDATE
INSERT
Tuesday, March 29, 2011

11. Slave
Master Slave
Slave
Tuesday, March 29, 2011

12. Slave
Master Slave
Slave
Tuesday, March 29, 2011

13. Master
Master Master
Master
Tuesday, March 29, 2011

14. What group commit
problem?
Tuesday, March 29, 2011

15. Group Commit?
Transaction
Log
Database
Kernel
Binlog
Tuesday, March 29, 2011

16. No Group Commit
Required
Database Transaction
Kernel Log
Tuesday, March 29, 2011

17. libDrizzle
• Supports Drizzle (and MySQL, and SQLite)
• Asynchronous
• BSD
• Lawyer free
Tuesday, March 29, 2011

18. NoSQL Stream Access
Amazon S3 Client
Instance
Storage
Tuesday, March 29, 2011

19. Is there more?
Tuesday, March 29, 2011

20. No Gotchas
• No NULL when you don’t want NULL
• No ALTER TABLES that fake’ it
• Real datetime (64bit), with microseconds
• IPV6
• No updates that “half complete”
Tuesday, March 29, 2011

21. Authentication/
Authorization
• No Cost Authentication
• PAM, LDAP, HTTP
Tuesday, March 29, 2011

22. Table Functions
• TABLE_CACHE
• TABLE_DEFINITION_CACHE
• SHOW TEMPORARY TABLES
• All new SQL compliant information_schema
Tuesday, March 29, 2011

23. Data Dictionay
• Separate Information Schema for ANSI SQL
access.
• All based on Table Functions
• No Materialization
• Single Execution Path
Tuesday, March 29, 2011

24. Интернет является UTF-8.
Web UTF - 8
The Web is UTF-8.
Tuesday, March 29, 2011

25. How about locks?
Tuesday, March 29, 2011

26. SHOW PROCESSLIST
(now based on table functions)
Tuesday, March 29, 2011

27. --skip-grants
(none of the current GRANTs require LOCKS
actually…)
Tuesday, March 29, 2011

28. store_lock()
(all engines are not created equally)
Tuesday, March 29, 2011

29. 120+ Developers Since
Day One
26/36 on average each month
Tuesday, March 29, 2011

30. Drizzle 7+
Tuesday, March 29, 2011

31. Table Table
Schema Table Schema Table
Table Table
Users
Table Table
Schema Table Schema Table
Table Table
Instance
Tuesday, March 29, 2011

32. Users Users
Table Table
Schema Table Schema Table
Table Table
Instance
Tuesday, March 29, 2011

33. • Cuts the 30/40% hit from virtualizing
• Single instance maintenance
• Still allows for IO spread on San/NAS
Tuesday, March 29, 2011

34. Hot Backup
• Supports Partial Backup
• No locking
• Single solution, point-in-time recovery in a
single solution.
• Comes with the database.
Tuesday, March 29, 2011

35. http://drizzle.org
http://planetdrizzle.org
Freenode #drizzle
Tuesday, March 29, 2011