| (window.webpackJsonp=window.webpackJsonp||[]).push([[746],{1143:function(t,s,e){"use strict";e.r(s);var a=e(29),_=Object(a.a)({},(function(){var t=this,s=t._self._c;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h1",{attrs:{id:"端云协同"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#端云协同"}},[t._v("#")]),t._v(" 端云协同")]),t._v(" "),s("h2",{attrs:{id:"tsfile-同步工具"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#tsfile-同步工具"}},[t._v("#")]),t._v(" TsFile 同步工具")]),t._v(" "),s("h3",{attrs:{id:"介绍"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#介绍"}},[t._v("#")]),t._v(" 介绍")]),t._v(" "),s("p",[t._v("同步工具是定期将本地磁盘中新增的已持久化的 tsfile 文件上传至云端并加载到 IoTDB 的套件工具。")]),t._v(" "),s("p",[t._v("在同步工具的发送端，同步模块是一个独立的进程，独立于本地的 IoTDB。通过独立的脚本进行启动和关闭（详见本章节"),s("code",[t._v("使用方式")]),t._v(")，同步的频率周期可由用户设置。")]),t._v(" "),s("p",[t._v("在同步工具的接收端，同步模块内嵌于 IoTDB 的引擎，和 IoTDB 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同步的数据。")]),t._v(" "),s("h3",{attrs:{id:"注意事项"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#注意事项"}},[t._v("#")]),t._v(" 注意事项")]),t._v(" "),s("p",[t._v("sync功能开启之后，发送端的 alter timeseries add tag 语句将不会被同步到接收端")]),t._v(" "),s("h3",{attrs:{id:"配置参数"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#配置参数"}},[t._v("#")]),t._v(" 配置参数")]),t._v(" "),s("h4",{attrs:{id:"同步工具接收端"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#同步工具接收端"}},[t._v("#")]),t._v(" 同步工具接收端")]),t._v(" "),s("p",[t._v("同步工具接收端的参数配置位于 IoTDB 的配置文件 iotdb-engine.properties 中，其安装目录为$IOTDB_HOME/conf/iotdb-engine.properties。在该配置文件中，有四个参数和同步接收端有关，配置说明如下：")]),t._v(" "),s("table",[s("thead",[s("tr",[s("th",[t._v("参数名")]),t._v(" "),s("th",[t._v("is_sync_enable")])])]),t._v(" "),s("tbody",[s("tr",[s("td",[t._v("描述")]),t._v(" "),s("td",[t._v("同步功能开关，配置为 true 表示接收端允许接收同步的数据并加载，设置为 false 的时候表示接收端不允许接收同步的数据")])]),t._v(" "),s("tr",[s("td",[t._v("类型")]),t._v(" "),s("td",[t._v("Boolean")])]),t._v(" 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"),s("table",[s("thead",[s("tr",[s("th",[t._v("参数名")]),t._v(" "),s("th",[t._v("sync_storage_groups")])])]),t._v(" "),s("tbody",[s("tr",[s("td",[t._v("描述")]),t._v(" "),s("td",[t._v("进行同步的存储组列表，存储组间用逗号分隔；若列表设置为空表示同步所有存储组，默认为空")])]),t._v(" "),s("tr",[s("td",[t._v("类型")]),t._v(" "),s("td",[t._v("String")])]),t._v(" "),s("tr",[s("td",[t._v("示例")]),t._v(" "),s("td",[t._v("root.sg1, root.sg2")])]),t._v(" "),s("tr",[s("td",[t._v("改后生效方式")]),t._v(" "),s("td",[t._v("重启同步功能发送端生效")])])])]),t._v(" "),s("table",[s("thead",[s("tr",[s("th",[t._v("参数名")]),t._v(" "),s("th",[t._v("max_number_of_sync_file_retry")])])]),t._v(" "),s("tbody",[s("tr",[s("td",[t._v("描述")]),t._v(" "),s("td",[t._v("发送端同步文件到接收端失败时的最大重试次数")])]),t._v(" "),s("tr",[s("td",[t._v("类型")]),t._v(" "),s("td",[t._v("Int : [0,2147483647]")])]),t._v(" "),s("tr",[s("td",[t._v("示例")]),t._v(" "),s("td",[t._v("5")])]),t._v(" "),s("tr",[s("td",[t._v("改后生效方式")]),t._v(" "),s("td",[t._v("重启同步功能发送端生效")])])])]),t._v(" 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"),s("div",{staticClass:"line-numbers-wrapper"},[s("span",{staticClass:"line-number"},[t._v("1")]),s("br"),s("span",{staticClass:"line-number"},[t._v("2")]),s("br"),s("span",{staticClass:"line-number"},[t._v("3")]),s("br"),s("span",{staticClass:"line-number"},[t._v("4")]),s("br"),s("span",{staticClass:"line-number"},[t._v("5")]),s("br"),s("span",{staticClass:"line-number"},[t._v("6")]),s("br"),s("span",{staticClass:"line-number"},[t._v("7")]),s("br"),s("span",{staticClass:"line-number"},[t._v("8")]),s("br"),s("span",{staticClass:"line-number"},[t._v("9")]),s("br"),s("span",{staticClass:"line-number"},[t._v("10")]),s("br"),s("span",{staticClass:"line-number"},[t._v("11")]),s("br"),s("span",{staticClass:"line-number"},[t._v("12")]),s("br"),s("span",{staticClass:"line-number"},[t._v("13")]),s("br"),s("span",{staticClass:"line-number"},[t._v("14")]),s("br"),s("span",{staticClass:"line-number"},[t._v("15")]),s("br")])]),s("ol",{attrs:{start:"2"}},[s("li",[t._v("启动 IoTDB 引擎，同步功能接收端会同时启动，启动时 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storage groups participate in synchronization.\n\t# By default, it is empty list.\n\t# sync_storage_groups = root.sg1, root.sg2\n\n\t# The maximum number of retry when syncing a file to receiver fails.\n\tmax_number_of_sync_file_retry=5\n\n")])]),t._v(" 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