collectd 5.6.0 发布，系统监控和统计工具

collectd 5.6.0 发布了，主要更新如下：

• Build system: An option to to avoid building the DF plugin against XFS has been added. Thanks to Ruben Kerkhof. #1878

• Build system: Autoconf ≥ 2.60, a C99-capable compiler and pkg-config are now required. Thanks to Ruben Kerkhof.

• Build system: Building with -Werror is now optional. Thanks to Ruben Kerkhof. #1222

• Build system: Many compilation issues on non-Linux platforms have been fixed, leading to wider plugin support. Thanks to Ruben Kerkhof, Dagobert Michelsen, Havard Eidnes and Robert Viduya.

• Build system: The configuration summary now also ends up in config.log. Thanks to Sebastian Harl.

• collectd: All command-line options now override global options from the config file. Thanks to Sebastian Harl. #366

• collectd: A number of unit tests for commonly used functions have been added. Thanks to Florian Forster.

• collectd: Plugins start up and read timeouts are now logged. Thanks to Marc Fournier. #1293, #1254

• collectd: Support for a timeout has been added to FLUSH callbacks. Thanks to Manuel Luis Sanmartín Rozada.

• collectd: The -T command line switch now reports more errors. Thanks to Corey Kosak. #1642

• collectd: The max size of value list elements (DATA_MAX_NAME_LEN) has been doubled and is now configurable at build time. Thanks to Amy Lin, Florian Forster and Radu Brumariu. #1120

更新日志：

• http://collectd.org/news.shtml

下载地址：

• http://collectd.org/download.shtml

collectd是一个守护(daemon)进程，用来收集系统性能和提供各种存储方式来存储不同值的机制。比如以RRD 文件形式。

当系统运行和存储信息的时候，Collectd会周期性统计系统的相关统计信息。那些信息可以用来找到当前系统性能瓶颈。（如作为性能分析 performance analysis）和预测系统未来的load（如能力部署capacity planning）.如果你需要美观的图形来显示您的数据，并且已经厌烦了内部解决方案，恭喜您，你找到了正确的地方。

一般来说，一图胜过千言，所以这里显示了某个系统在过去60分钟内的CPU利用率图形。