RRDtool
RRDtool (轮替型数据库工具, round-robin database tool) 旨在处理时间串行数据,例如网络带宽、温度或CPU负载。 数据保存在环形缓冲区为基底的数据库中,因此系统保存占用量随时间保持恒定。不同于循环制的计算机科学概念。
也包括以图形格式提取循环数据的工具。 绑定编程语言Perl、Python、Ruby、Tcl、PHP和Lua。有一个独立且完整的Java实施称为rrd4j。
历代发行
颜色 | 代表 |
---|---|
红 | 停止支持的版本 |
绿 | 持续支持的版本 |
蓝 | 未来发行版本 |
RRDTool 从 1.2 版起接受赞助,每次发行必定附加赞助名单。
下列表格为 RRDtool 历代主要发行版本
版号 | 日期 | 链接 | 值得注意的变化 |
---|---|---|---|
1.0 | July 16, 1999 | Full release notes, Announce(页面存档备份,存于) | First release. Basically MRTG "done right". |
1.1 | April 25, 2005 | Full release notes, Announce(页面存档备份,存于) | libart; output EPS, PDF & SVG; VDEF; trends; percentiles; updatev; Holt-Winters Forecasting; COMPUTE; .rrd format change. |
1.3 | June 11, 2008 | Full release notes, Announce(页面存档备份,存于) | Safer & faster file access; cairo/pango; anti-aliasing; TEXTALIGN; dashed lines; new HWPREDICT; libxml; i18n; XML dump; |
1.4 | October 27, 2009 | Full release notes(页面存档备份,存于), Announce(页面存档备份,存于) | Caching daemon; VDEF PERCENTNAN; CDEF PREDICT & PREDICTSIGMA; libDBI; graph legends positioning; Lua bindings; 3D border width; and more ... |
1.5 | April 16, 2015 | Full release notes, Announce(页面存档备份,存于) | Use data from callback functions; Population of new rrd files with data from old ones; .NET bindings |
1.6 | May 9, 2016 | Full release notes(页面存档备份,存于), Announce(页面存档备份,存于) | Thread Safety |
使用 RRDtool 作为 DBMS 以及图形子系统的其他工具
- BackupPC
- Cacti
- Cherokee
- collectd
- Ganglia – system monitor clusters and grids
- Lighttpd
- Lpar2rrd
- Monitorix
- MRTG
- Munin
- Nagios
- Nmon
- NMIS
- ntop
- Observium
- OpenNMS
- pfSense
- ServersCheck
- SmokePing: Network latency monitor
- SNM: System and network monitor
- SysUsage: the sysstat and sar grapher
- Stor2rrd
- Xymon
- Zenoss
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