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apache / iotdb-website / 1349e70b1eba082df137b3b4576761f41c686452 / . / assets / js / 505.2d656810.js
blob: a770d84ecc94e46b7176dd7dc6912757e7cff40f [file] [log] [blame]
(window.webpackJsonp=window.webpackJsonp||[]).push([[505],{901:function(s,a,t){"use strict";t.r(a);var e=t(29),n=Object(e.a)({},(function(){var s=this,a=s._self._c;return a("ContentSlotsDistributor",{attrs:{"slot-key":s.$parent.slotKey}},[a("h1",{attrs:{id:"端云协同"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#端云协同"}},[s._v("#")]),s._v(" 端云协同")]),s._v(" "),a("h2",{attrs:{id:"_1-介绍"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-介绍"}},[s._v("#")]),s._v(" 1.介绍")]),s._v(" "),a("p",[s._v("同步工具是持续将边缘端（发送端） IoTDB 中的时间序列数据上传并加载至云端（接收端） IoTDB 的套件工具。")]),s._v(" "),a("p",[s._v("同步工具的发送端内嵌于 IoTDB 的引擎，使用同步工具需要首先启动IoTDB。")]),s._v(" "),a("p",[s._v("可以在发送端使用 SQL 命令来启动或者关闭一个同步任务，并且可以随时查看同步任务的状态。在接收端，您可以通过设置IP白名单来规定准入IP地址范围。")]),s._v(" "),a("h2",{attrs:{id:"_2-模型定义"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_2-模型定义"}},[s._v("#")]),s._v(" 2.模型定义")]),s._v(" "),a("p",[a("img",{attrs:{src:"https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/System%20Tools/Sync-Tool/pipe2.png?raw=true",alt:"pipe2.png"}})]),s._v(" "),a("p",[s._v("假设目前有两台机器A和B都安装了IoTDB，希望将A上的数据不断同步至B中。为了更好地描述这个过程，我们引入以下概念。")]),s._v(" "),a("ul",[a("li",[s._v("Pipe\n"),a("ul",[a("li",[s._v("指一次同步任务，在上述案例中，我们可以看作在A和B之间有一根数据流管道连接了A和B。")]),s._v(" "),a("li",[s._v("一个Pipe有三种状态，RUNNING，STOP，DROP，分别表示正在运行，暂停和永久取消。")])])]),s._v(" "),a("li",[s._v("PipeSink\n"),a("ul",[a("li",[s._v("指接收端，在上述案例中，PipeSink即是B这台机器。PipeSink的类型目前仅支持IoTDB，即接收端为B上安装的IoTDB实例。")]),s._v(" "),a("li",[s._v("PipeServer：当PipeSink的类型为IoTDB的时候，需要打开IoTDB的PipeServer服务来让Pipe数据得到处理。")])])])]),s._v(" "),a("h2",{attrs:{id:"_3-注意事项"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_3-注意事项"}},[s._v("#")]),s._v(" 3.注意事项")]),s._v(" "),a("ul",[a("li",[s._v("目前仅支持多对一模式，不支持一对多，即一个发送端只能发送数据到一个接收端，而一个接收端可以接受来自多个发送端的数据。")]),s._v(" "),a("li",[s._v("发送端只能有一个非DROP状态的Pipe，如果想创建一个新的Pipe，请取消当前Pipe。")]),s._v(" "),a("li",[s._v("当有一个或多个发送端指向一个接收端时，这些发送端和接收端各自设备路径集合之间应当没有交集，否则可能产生不可预料错误 。\n"),a("ul",[a("li",[s._v("例如：当发送端A包括路径"),a("code",[s._v("root.sg.d.s")]),s._v("，发送端B也包括路径"),a("code",[s._v("root.sg.d.s")]),s._v("，当发送端A删除"),a("code",[s._v("root.sg")]),s._v("存储组时将也会在接收端删除所有B在接收端的"),a("code",[s._v("root.sg.d.s")]),s._v("中存放的数据。")])])]),s._v(" "),a("li",[s._v("两台机器之间目前不支持相互同步。")]),s._v(" "),a("li",[s._v("同步工具仅同步所有对数据写入和删除，元数据的创建和删除，如TTL的设置，Trigger，CQ等其他操作均不同步。\n"),a("ul",[a("li",[s._v("若在发送端设置了TTL，则启动Pipe时候IoTDB中所有未过期的数据以及未来所有的数据写入和删除都会被同步至接收端")])])])]),s._v(" "),a("h2",{attrs:{id:"_4-快速上手"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_4-快速上手"}},[s._v("#")]),s._v(" 4.快速上手")]),s._v(" "),a("p",[s._v("在发送端和接收端执行如下语句即可快速开始两个 IoTDB 之间的数据同步，完整的 SQL 语句和配置事项请查看"),a("code",[s._v("配置参数")]),s._v("和"),a("code",[s._v("SQL")]),s._v("两节，更多使用范例请参考"),a("code",[s._v("使用范例")]),s._v("节。")]),s._v(" "),a("h4",{attrs:{id:"_4-1接收端"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_4-1接收端"}},[s._v("#")]),s._v(" 4.1接收端")]),s._v(" "),a("ul",[a("li",[s._v("开启PipeServer")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> START PIPESERVER\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("关闭PipeServer（在所有发送端取消了Pipe之后执行）")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IOTDB> STOP PIPESERVER\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("h4",{attrs:{id:"_4-2发送端"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_4-2发送端"}},[s._v("#")]),s._v(" 4.2发送端")]),s._v(" "),a("ul",[a("li",[s._v("创建接收端为 IoTDB 类型的 Pipe Sink")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> CREATE PIPESINK my_iotdb AS IoTDB (ip='输入你的IP')\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("创建同步任务Pipe（开启之前请确保接收端 IoTDB 的 PipeServer 已经启动）")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> CREATE PIPE my_pipe TO my_iotdb\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("开始同步任务")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> START PIPE my_pipe\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("显示所有同步任务状态")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> SHOW PIPES\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("暂停任务")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> STOP PIPE my_pipe\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("继续被暂停的任务")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> START PIPE my_pipe\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("关闭任务（状态信息可被删除）")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> DROP PIPE my_pipe\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("h2",{attrs:{id:"_5-配置参数"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_5-配置参数"}},[s._v("#")]),s._v(" 5.配置参数")]),s._v(" "),a("p",[s._v("所有参数修改均在"),a("code",[s._v("$IOTDB_HOME$/conf/iotdb-datanode.properties")]),s._v("中，所有修改完成之后执行"),a("code",[s._v("load configuration")]),s._v("之后即可立刻生效。")]),s._v(" "),a("h4",{attrs:{id:"_5-1发送端相关"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_5-1发送端相关"}},[s._v("#")]),s._v(" 5.1发送端相关")]),s._v(" "),a("table",[a("thead",[a("tr",[a("th",[a("strong",[s._v("参数名")])]),s._v(" "),a("th",[a("strong",[s._v("max_number_of_sync_file_retry")])])])]),s._v(" "),a("tbody",[a("tr",[a("td",[s._v("描述")]),s._v(" "),a("td",[s._v("发送端同步文件到接收端失败时的最大重试次数")])]),s._v(" "),a("tr",[a("td",[s._v("类型")]),s._v(" "),a("td",[s._v("Int : [0,2147483647]")])]),s._v(" "),a("tr",[a("td",[s._v("默认值")]),s._v(" "),a("td",[s._v("5")])])])]),s._v(" "),a("h4",{attrs:{id:"_5-2接收端相关"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_5-2接收端相关"}},[s._v("#")]),s._v(" 5.2接收端相关")]),s._v(" "),a("table",[a("thead",[a("tr",[a("th",[a("strong",[s._v("参数名")])]),s._v(" "),a("th",[a("strong",[s._v("ip_white_list")])])])]),s._v(" "),a("tbody",[a("tr",[a("td",[s._v("描述")]),s._v(" "),a("td",[s._v("设置同步功能发送端 IP 地址的白名单，以网段的形式表示，多个网段之间用逗号分隔。发送端向接收端同步数据时，只有当该发送端 IP 地址处于该白名单设置的网段范围内，接收端才允许同步操作。如果白名单为空，则接收端不允许任何发送端同步数据。默认接收端接受全部 IP 的同步请求。")])]),s._v(" "),a("tr",[a("td",[s._v("类型")]),s._v(" "),a("td",[s._v("String")])]),s._v(" "),a("tr",[a("td",[s._v("默认值")]),s._v(" "),a("td",[s._v("0.0.0.0/0")])])])]),s._v(" "),a("table",[a("thead",[a("tr",[a("th",[a("strong",[s._v("参数名")])]),s._v(" "),a("th",[a("em",[a("strong",[s._v("pipe_server_port")])])])])]),s._v(" "),a("tbody",[a("tr",[a("td",[s._v("描述")]),s._v(" "),a("td",[s._v("同步接收端服务器监听接口，请确认该端口不是系统保留端口并且未被占用。")])]),s._v(" "),a("tr",[a("td",[s._v("类型")]),s._v(" "),a("td",[s._v("Short Int : [0,65535]")])]),s._v(" "),a("tr",[a("td",[s._v("默认值")]),s._v(" "),a("td",[s._v("6670")])])])]),s._v(" "),a("h2",{attrs:{id:"_6-sql"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_6-sql"}},[s._v("#")]),s._v(" 6.SQL")]),s._v(" "),a("h4",{attrs:{id:"_6-1发送端"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_6-1发送端"}},[s._v("#")]),s._v(" 6.1发送端")]),s._v(" "),a("ul",[a("li",[s._v("创建接收端为 IoTDB 类型的 Pipe Sink，其中IP和port是可选参数")])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> CREATE PIPESINK <PipeSinkName> AS IoTDB [(ip='127.0.0.1',port=6670);]\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br")])]),a("ul",[a("li",[s._v("显示当前所能支持的 Pipe Sink 类型")])]),s._v(" "),a("div",{staticClass:"language-Plain%20Text line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> SHOW PIPESINKTYPE\nIoTDB>\n+-----+\n| type|\n+-----+\n|IoTDB|\n+-----+\n")])]),s._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[s._v("1")]),a("br"),a("span",{staticClass:"line-number"},[s._v("2")]),a("br"),a("span",{staticClass:"line-number"},[s._v("3")]),a("br"),a("span",{staticClass:"line-number"},[s._v("4")]),a("br"),a("span",{staticClass:"line-number"},[s._v("5")]),a("br"),a("span",{staticClass:"line-number"},[s._v("6")]),a("br"),a("span",{staticClass:"line-number"},[s._v("7")]),a("br")])]),a("ul",[a("li",[s._v("显示当前所有 Pipe Sink 定义，结果集有三列，分别表示pipesink的名字，pipesink的类型，pipesink的属性")])]),s._v(" "),a("div",{staticClass:"language- 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"),a("blockquote",[a("p",[s._v("该指令在发送端和接收端均可执行")])]),s._v(" "),a("ul",[a("li",[a("p",[s._v("create time，pipe的创建时间")])]),s._v(" "),a("li",[a("p",[s._v("name，pipe的名字")])]),s._v(" "),a("li",[a("p",[s._v("role，当前IoTDB在pipe中的角色，可能有两种角色：")]),s._v(" "),a("ul",[a("li",[a("p",[s._v("sender，当前IoTDB为同步发送端")])]),s._v(" "),a("li",[a("p",[s._v("receiver，当前IoTDB为同步接收端")])])])]),s._v(" "),a("li",[a("p",[s._v("remote，pipe的对端信息")]),s._v(" "),a("ul",[a("li",[a("p",[s._v("当role为receiver时，这一字段值为发送端ip")])]),s._v(" "),a("li",[a("p",[s._v("当role为sender时，这一字段值为pipeSink名称")])])])]),s._v(" "),a("li",[a("p",[s._v("status，pipe状态")])]),s._v(" "),a("li",[a("p",[s._v("message，pipe运行信息，当pipe正常运行时，这一字段通常为空，当出现异常时，可能出现两种状态：")]),s._v(" "),a("ul",[a("li",[s._v("WARN状态，这表明发生了数据丢失或者其他错误，但是Pipe会保持运行")]),s._v(" "),a("li",[s._v("ERROR状态，这表明发生了网络长时间中断或者接收端出现问题，Pipe被停止，置为STOP状态")])])])]),s._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[s._v("IoTDB> SHOW PIPES\nIoTDB>\n+-----------------------+--------+--------+-------------+---------+-------+\n| create time| name | role| remote| status|message|\n+-----------------------+--------+--------+-------------+---------+-------+\n|2022-03-30T20:58:30.689|my_pipe1| sender| my_pipesink| STOP| |\n+-----------------------+--------+--------+-------------+---------+-------+ \n|2022-03-31T12:55:28.129|my_pipe2|receiver|192.168.11.11| RUNNING| |\n+-----------------------+--------+--------+-------------+---------+-------+\n")])]),s._v(" 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root.vehicle\n+-----------------------------+------------------+------------------+------------------+------------------+\n| Time|root.vehicle.d0.s0|root.vehicle.d0.s1|root.vehicle.d1.s3|root.vehicle.d1.s2|\n+-----------------------------+------------------+------------------+------------------+------------------+\n|2022-04-03T20:08:17.127+08:00| 10| null| null| null|\n|2022-04-03T20:08:17.358+08:00| 12| 12| null| null|\n|2022-04-03T20:08:17.393+08:00| null| 14| null| null|\n|2022-04-03T20:08:17.538+08:00| null| null| null| 16.0|\n|2022-04-03T20:08:17.753+08:00| null| null| true| 18.0|\n|2022-04-03T20:08:18.263+08:00| null| null| false| null|\n+-----------------------------+------------------+------------------+------------------+------------------+\nTotal line number = 6\nIt costs 0.134s\n")])]),s._v(" 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