(window.webpackJsonp=window.webpackJsonp||[]).push([[499],{1064:function(t,e,v){"use strict";v.r(e);var a=v(69),_=Object(a.a)({},(function(){var t=this,e=t.$createElement,v=t._self._c||e;return v("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[v("h1",{attrs:{id:"数据模型与技术"}},[v("a",{staticClass:"header-anchor",attrs:{href:"#数据模型与技术"}},[t._v("#")]),t._v(" 数据模型与技术")]),t._v(" "),v("p",[t._v("我们为您提供一份简化的"),v("a",{attrs:{href:"https://github.com/apache/incubator-iotdb/blob/master/docs/Documentation/OtherMaterial-Sample%20Data.txt",target:"_blank",rel:"noopener noreferrer"}},[t._v("样例数据"),v("OutboundLink")],1),t._v("。")]),t._v(" "),v("p",[t._v("下载文件: "),v("a",{attrs:{href:"https://raw.githubusercontent.com/apache/incubator-iotdb/master/docs/Documentation/OtherMaterial-Sample%20Data.txt",target:"_blank",rel:"noopener noreferrer"}},[t._v("IoTDB-SampleData.txt"),v("OutboundLink")],1),t._v(".")]),t._v(" "),v("p",[t._v("根据本文描述的"),v("a",{attrs:{href:"https://github.com/apache/incubator-iotdb/blob/master/docs/Documentation/OtherMaterial-Sample%20Data.txt",target:"_blank",rel:"noopener noreferrer"}},[t._v("数据"),v("OutboundLink")],1),t._v("属性层级，按照属性涵盖范围以及它们之间的从属关系，我们可将其表示为如下图2.1的属性层级组织结构，其层级关系为：集团层-电场层-设备层-传感器层。其中ROOT为根节点，传感器层的每一个节点称为叶子节点。在使用IoTDB的过程中，您可以直接将由ROOT节点到每一个叶子节点路径上的属性用“.”连接，将其作为一个IoTDB的时间序列的名称。图2.1中最左侧的路径可以生成一个名为"),v("code",[t._v("ROOT.ln.wf01.wt01.status")]),t._v("的时间序列。")]),t._v(" "),v("center",[v("img",{staticStyle:{width:"100%","max-width":"800px","max-height":"600px","margin-left":"auto","margin-right":"auto",display:"block"},attrs:{src:"https://user-images.githubusercontent.com/13203019/51577327-7aa50780-1ef4-11e9-9d75-cadabb62444e.jpg"}})]),t._v(" "),v("p",[v("strong",[t._v("图2.1 属性层级组织结构")])]),t._v(" "),v("p",[t._v("得到时间序列的名称之后，我们需要根据数据的实际场景和规模设置存储组。由于在本文所述场景中，每次到达的数据通常以集团为单位（即数据可能为跨电场、跨设备的），为了写入数据时避免频繁切换IO降低系统速度，且满足用户以集团为单位进行物理隔离数据的要求，我们将存储组设置在集团层。")]),t._v(" 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