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Facebook,Google,Twitter,Linkedin推出了WebScaleSQL
2014-03-29 09:13:22         来源:Facebook, Google, Twitter, Linkedin推出了WebScaleSQL  
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名字看起来很可怕的样子:Web Scale。实际是基于Oracle的社区版本MySQL 5.6做的,加了一些工具和补丁。先看看这个新闻:

下面这一段是已经开发完成的东西。
The WebScaleSQL community has already developed components, including:
Features that make operating at Web scale easier, such as a super read-only feature and the ability to specify sub-second client timeouts.
Changes to improve the performance of WebScaleSQL, including buffer pool flushing improvements, optimizations to certain query types, and support for Non-Uniform Memory Architecture (NUMA) interleave policy.
An automated framework that will run and publish the results of MySQL's built-in test system for each proposed change.
A suite of stress tests and a prototype automated performance testing system.

下面这一段是正在做的。

WebScaleSQL will welcome other scale-oriented members of the MySQL community to contribute, according to Greene. The group is currently working on:

Developing an asynchronous MySQL client that won't have to wait to connect, send, or retrieve while querying. This non-blocking client developed and in production use at Facebook is being code-reviewed by the other WebScaleSQL teams.
Adding Facebook production-tested compression and versions of table, user, and compression statistics.
Adding Facebook's Logical Read-Ahead mechanism for "up to 10x" speed improvements in full table scans, such as nightly logical backups.

目前看来,主要的思路还是形成合力,把大家自己针对业务需求做的东西集中起来。而且明确表态不会是一个官方的fork,只会作为branch存在。这也说明了目前Oracle的版本还是靠谱的,MariaDB还需要努力。至于其中的每一个改进,还是需要慢慢看过来。

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