Switch your databases to Flash storage. Now. Or you're doing it wrong. - High Scalability -
The right way to do it is to just not use O_DIRECT. The whole notion of "direct IO" is totally braindamaged. Just say no. This is your brain: O This is your brain on O_DIRECT: . Any questions? Our measurements show that the page cache dramatically increases latency. At the speeds of flash storage, the page cache is disastrous. Linus agreed substantially in his own post: Side note: the only reason
SQL Indexing and Tuning e-Book for developers: Use The Index, Luke covers Oracle, MySQL, PostgreSQL, SQL Server, ...
A site explaining SQL indexing to developers—no crap about administration. SQL indexing is the most effective tuning method—yet it is often neglected during development. Use The Index, Luke explains SQL indexing from grounds up and doesn’t stop at ORM tools like Hibernate. Use The Index, Luke is the free web-edition of SQL Performance Explained. If you like this site, consider getting the book. Al
Choosing NoSQL For The Right Reason
NoSQL, sql Choosing NoSQL For The Right Reason In Performance, Reliability, Scalability on 2011-05-13 at 09:42 Observing the NoSQL hype through the eyes of an SQL performance consultant is an interesting experience. It is, however, very hard to write about NoSQL because there are so many forms of it. After all, NoSQL is nothing more than a marketing term. A marketing term that works pretty well be
Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server
UPDATE: Oracle officially released memcached daemon plugin that talks with InnoDB. I'm glad to see that NoSQL+MySQL has become an official solution. It's still preview release but will be very promising. Let's try it to make it better! Most of high scale web applications use MySQL + memcached. Many of them use also NoSQL like TokyoCabinet/Tyrant. In some cases people have dropped MySQL and have sh
Flash Based Database Systems
Flash Disks E. Gal, and S. Toledo. Algorithms and Data Structures for Flash Memories. ACM Computing Surveys 2005. [pdf] Hyojun Kim and Seongjun Ahn. BPLRU: A Buffer Management Scheme for Improving Random Writes in Flash Storage, FAST 2008 [pdf] M. Rosenblum, and J. K. Ousterhout. The Design and Implementation of a Log-Structured File System. SOSP 1991. [pdf] A. Birrell, M. Isard, C. Thacker, and
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Amazon.com: Transaction Processing: Concepts and Techniques (The Morgan Kaufmann Series in Data Management Systems): Gray, Jim, Reuter, Andreas: Books
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michael carey lecture @ the bren school of information and computer sciences
