RRDtool
RRDtool (輪替型資料庫工具, round-robin database tool) 旨在處理時間序列資料,例如網路頻寬、溫度或CPU負載。 資料儲存在環形緩衝區為基底的資料庫中,因此系統儲存佔用量隨時間保持恆定。不同於循環制的計算機科學概念。
也包括以圖形格式提取循環資料的工具。 綁定程式語言Perl、Python、Ruby、Tcl、PHP和Lua。有一個獨立且完整的Java實施稱為rrd4j。
歷代發行
顏色 | 代表 |
---|---|
紅 | 停止支援的版本 |
綠 | 持續支援的版本 |
藍 | 未來發行版本 |
RRDTool 從 1.2 版起接受贊助,每次發行必定附加贊助名單。
下列表格為 RRDtool 歷代主要發行版本
版號 | 日期 | 連結 | 值得注意的變化 |
---|---|---|---|
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 作為 DBMS 以及圖形子系統的其他工具
- 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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