通过rrdtool graph的指令来依据RRD数据库的数据进行绘图,这也是使用者唯一看的到的东西,若规划的不好会影响使用者阅读上的困难! 循环︰由于要完成动态绘图的图表,第二步骤到第四步骤必须不断的重复执行以维持资料的更新,目前知道要达成循环的方法有两种︰ 在Script中使用循环 使用crontab任务计划 五、rrdtool命令详解 ...
三,rrdtool绘图即rrdtool.graph()参数的解析: 1,单参数单主机绘图详解: title ="test ("+ time.strftime('%Y-%m-%d', time.localtime(time.time())) +")"rrdpath="static/rrdfiles/downloads.rrd"rrdtool.graph("static/RRDpng/unirrd.png",#start,end x轴的起始结束时间:#如果都不写,默认是从当前算...
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Because by default RRD's will setGAUGEas Data Source (DS). By setting theDStoCOUNTERthe user can set the minimum and maximum values. Short examples can be found here alsoRRD::Simple::Examples. Share Improve this answer answeredDec 1, 2013 at 23:19 ...
>I understand the examples but what RRA does rrdtool use? I mean, the line > DEF:myspeed=test.rrd:speed:AVERAGE >specifies the Data Source but not the RRA; and in this case, we have two. It will use the highest resolution data that "best" fills the graph. ...
本文整理汇总了Python中rrdtool.fetch函数的典型用法代码示例。如果您正苦于以下问题:Python fetch函数的具体用法?Python fetch怎么用?Python fetch使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 在下文中一共展示了fetch函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉...
rrdtool是一个复杂的工具,涉及较多参数概念,本节主要通过Python的rrdtool模块对rrdtool的几个常用方法进行封装,包括create、fetch、graph、info、update等方法...,本节对rrdtool的基本知识不展开说明,重点放在Python rrdtool模块的常用方法使用介绍上。...rrdtool模块的安装方法如下: easy_install python-rrdtool #pip安装...