神州数码 Jason pan future_clouddatacenterv2colderboy17
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This document discusses trends in cloud computing and cloud data center design. It notes the evolution of cloud computing from early concepts to widespread adoption today. Key points covered include the growth of private clouds within large enterprises, the rise of big data and noSQL databases, and cloud providers expanding globally. The document also provides guidelines for designing highly scalable, efficient cloud data centers, focusing on factors like high density server configurations, modular designs, efficient cooling and power distribution, and reliability.
This document discusses Puppet, an open source configuration management tool. It can be used to automate system configuration, deployment, and administration tasks across Linux, Unix, and Windows systems. Puppet uses a master-slave architecture with Puppet masters distributing configuration files to Puppet agents. It provides a declarative language to define system configuration and resources.
37. Dragoon:Open Source
? Fastjson: a JSON processor (JSON parser + JSON generator) written in Java:
? FAST (measured to be faster than any other Java parser and databinder,
incudes jackson. )
? Powerful (full data binding for common JDK classes as well as any Java Bean class,
Collection, Map, Date or enum)
? Zero-dependency (doest not rely on other packages beyond JDK)
? SimpleEL:an expression parsing engine with high performance and great expansibility。
? Druid:a jdbc library that can monitor the database access performance, has a lot of
merits, such as high efficiency, powerful functions, and good scalability.
? The Duird‘s built-in StatFilter plug-in provides powerful functions, such as listing details
of SQL executing performance
? Encypting database‘s password
? Providing SQL executing logs
? Extending basic JDBC functions.
? Alibaba OpenSesame's Wiki
? http://code.alibabatech.com/