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| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading open"><span>IoTDB用户手册 (V0.11.x)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概述</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>服务器端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>客户端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>操作指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>生态集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统设计</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="工具介绍"><a href="#工具介绍" class="header-anchor">#</a> 工具介绍</h1> <p>IoTDB集群版为您提供了NodeTool Shell工具用于监控指定集群的工作状态，您可以通过运行多种指令获取集群各项状态。</p> <p>下面具体介绍每个指令的使用方式及示例，其中$IOTDB_CLUSTER_HOME表示IoTDB分布式的安装目录所在路径。</p> <h1 id="使用说明"><a href="#使用说明" class="header-anchor">#</a> 使用说明</h1> <h2 id="运行方式"><a href="#运行方式" class="header-anchor">#</a> 运行方式</h2> <p>NodeTool Shell工具启动脚本位于$IOTDB_CLUSTER_HOME/bin文件夹下，启动时可以指定集群运行的IP和PORT。</p> <p>其中IP为您期望连接的节点的IP，PORT为IoTDB集群启动时指定的JMX服务端口号，分别默认为127.0.0.1和31999。</p> <p>如果您需要监控远程集群或修改了JMX服务端口号，请通过启动参数-h和-p项来使用实际的IP和PORT。</p> <h2 id="指令说明"><a href="#指令说明" class="header-anchor">#</a> 指令说明</h2> <p>在分布式系统中，一个节点由节点IP，元数据端口和数据端口来标识，即Node<IP:METAPORT:DATAPORT>。</p> <h3 id="展示节点环"><a href="#展示节点环" class="header-anchor">#</a> 展示节点环</h3> <p>IoTDB集群版采用一致性哈希的方式实现数据分布，用户可以通过打印哈希环信息了解每个节点在环中的位置。</p> <p>1.输入</p> <blockquote><p>打印哈希环的指令为ring</p></blockquote> <p>2.输出</p> <blockquote><p>输出为多行字符串，每行字符串为一个键值对，其中键表示节点标识，值表示节点(IP:METAPORT:DATAPORT)，格式为<key -> value>。</p></blockquote> <p>3.示例</p> <blockquote><p>假设当前集群运行在127.0.0.1:9003:40010, 127.0.0.1:9004:40011和127.0.0.1:9005:40012三个节点上。 |
| 不同系统的输入指令示例如下：</p></blockquote> <p>Linux系统与MacOS系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 ring |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 ring |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>回车后即可执行指令。示例指令的输出如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Node Identifier Node |
| 330411070 -> 127.0.0.1:9003:40010 |
| 330454032 -> 127.0.0.1:9004:40011 |
| 330496472 -> 127.0.0.1:9005:40012 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>上述输出表示当前集群共有3个节点，按照节点标识从小到大输出结果。</p> <h3 id="查询数据分区和元数据分区"><a href="#查询数据分区和元数据分区" class="header-anchor">#</a> 查询数据分区和元数据分区</h3> <p>IoTDB集群版的时间序列元数据按照存储组分给多个数据组，其中存储组和数据组为多对一的关系， |
| 即同一个存储组的时间序列元数据只存在于同一个数据组，一个数据组可能包含多个存储组的时间序列元数据；</p> <p>数据按照存储组和其时间戳分给不同数据组，时间分区粒度默认为一天。</p> <p>数据组由多个节点组成，节点数量为副本数，保证数据高可用，其中某一个节点担任Leader的角色。</p> <p>通过该指令，用户可以获知某个路径下的元数据或数据具体存储在哪些节点下。</p> <p>1.输入</p> <blockquote><p>查询数据分区信息的指令为partition，参数具体说明如下：</p></blockquote> <table><thead><tr><th>参数名</th> <th>参数说明</th> <th>示例</th></tr></thead> <tbody><tr><td>-m</td> <td>--metadata 查询元数据分区，默认为查询数据分区</td> <td>-m</td></tr> <tr><td>-path</td> <td>--path 必要参数，需要查询的路径，若该路径无对应的存储组，则查询失败</td> <td>-path root.guangzhou.d1</td></tr> <tr><td>-st</td> <td>--StartTime 查询数据分区时使用，起始时间，默认为系统当前时间</td> <td>-st 1576724778159</td></tr> <tr><td>-et</td> <td>--EndTime 查询数据分区时使用，终止时间，默认为系统当前时间。若终止时间小于起始时间，则终止时间默认为起始时间</td> <td>-et 1576724778159</td></tr></tbody></table> <p>2.输出</p> <blockquote><p>输出为多行字符串，每行字符串为一个键值对，其中键表示分区，值表示数据组，格式为<key -> value>。</p></blockquote> <p>3.示例</p> <blockquote><p>假设当前集群运行在127.0.0.1:9003:40010, 127.0.0.1:9004:40011和127.0.0.1:9005:40012三个节点上。 |
| 副本数为2，共有3个存储组：{root.beijing、root.shanghai、root.guangzhou}。</p></blockquote> <ul><li>查询数据的分区(默认时间范围, 时间按天分区)</li></ul> <p>不同系统的输入指令示例如下：</p> <p>Linux系统与MacOS系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>回车后即可执行指令。示例指令的输出如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DATA<root.guangzhou.d1, 1576723735188, 1576723735188> -> [127.0.0.1:9003:40010, 127.0.0.1:9004:40011] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>查询数据的分区(指定时间范围, 时间按天分区)</li></ul> <p>不同系统的输入指令示例如下：</p> <p>Linux系统与MacOS系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -st 1576624778159 -et 1576724778159 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -st 1576624778159 -et 1576724778159 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>回车后即可执行指令。示例指令的输出如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DATA<root.guangzhou.d1, 1576627200000, 1576713599999> -> [127.0.0.1:9005:40012, 127.0.0.1:9003:40010] |
| DATA<root.guangzhou.d1, 1576713600000, 1576724778159> -> [127.0.0.1:9003:40010, 127.0.0.1:9004:40011] |
| DATA<root.guangzhou.d1, 1576624778159, 1576627199999> -> [127.0.0.1:9004:40011, 127.0.0.1:9005:40012] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>查询元数据分区</li></ul> <p>不同系统的输入指令示例如下：</p> <p>Linux系统与MacOS系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -m |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -m |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>回车后即可执行指令。示例指令的输出如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DATA<root.guangzhou.d1, 1576723735188, 1576723735188> -> [127.0.0.1:9003:40010, 127.0.0.1:9004:40011] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>上述输出表示root.t1.d1所属的数据分区包含2个节点，其中127.0.0.1:9003:40010为header节点。</p> <h3 id="查询节点管理的槽数"><a href="#查询节点管理的槽数" class="header-anchor">#</a> 查询节点管理的槽数</h3> <p>IoTDB集群版将哈希环划分为固定数量(默认10000)个槽，并由集群管理组（元数据组）的leader将槽划分各个数据组。通过该指令，用户可以获知数据组管理的槽数。</p> <ol><li>输入</li></ol> <blockquote><p>查询节点对应数据分区信息的指令为host，参数具体说明如下：</p></blockquote> <table><thead><tr><th>参数名</th> <th>参数说明</th> <th>示例</th></tr></thead> <tbody><tr><td>-a --all</td> <td>查询所有数据组管理的槽数，默认为查询的节点所在的数据组</td> <td>-a</td></tr></tbody></table> <p>2.输出</p> <blockquote><p>输出为多行字符串，其中每行字符串为一个键值对，其中键表示数据组，值表示管理的槽数，格式为<key -> value>。</p></blockquote> <p>3.示例</p> <blockquote><p>假设当前集群运行在127.0.0.1:9003:40010, 127.0.0.1:9004:40011和127.0.0.1:9005:40012三个节点上, 副本数为2。</p></blockquote> <ul><li>默认节点所在分区</li></ul> <p>不同系统的输入指令示例如下：</p> <p>Linux系统与MacOS系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 host |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 host |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>回车后即可执行指令。示例指令的输出如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Raft group Slot Number |
| (127.0.0.1:9003:40010, 127.0.0.1:9004:40011) -> 3333 |
| (127.0.0.1:9005:40012, 127.0.0.1:9003:40010) -> 3334 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><ul><li>所有分区</li></ul> <p>不同系统的输入指令示例如下：</p> <p>Linux系统与MacOS系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 host -a |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 host -a |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>回车后即可执行指令。示例指令的输出如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Raft group Slot Number |
| (127.0.0.1:9003:40010, 127.0.0.1:9004:40011) -> 3333 |
| (127.0.0.1:9004:40011, 127.0.0.1:9005:40012) -> 3333 |
| (127.0.0.1:9005:40012, 127.0.0.1:9003:40010) -> 3334 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h3 id="查询节点状态"><a href="#查询节点状态" class="header-anchor">#</a> 查询节点状态</h3> <p>IoTDB集群版包含多个节点，对于任意节点都存在因为网络、硬件等问题导致无法正常提供服务的可能。</p> <p>通过该指令，用户即可获知集群中所有节点当前的状态。</p> <p>1.输入</p> <blockquote><p>查询节点状态的指令为status，无其他参数。</p></blockquote> <p>2.输出</p> <blockquote><p>输出为多行字符串，其中每行字符串为一个键值对，其中键表示节点(IP:METAPORT:DATAPORT)， |
| 值表示该节点的状态，“on”为正常，“off”为不正常，格式为<key -> value>。</p></blockquote> <p>3.示例</p> <blockquote><p>假设当前集群运行在127.0.0.1:9003:40010, 127.0.0.1:9004:40011和127.0.0.1:9005:40012三个节点上, 副本数为2。</p></blockquote> <p>不同系统的输入指令示例如下：</p> <p>Linux系统与MacOS系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 status |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows系统：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 status |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>回车后即可执行指令。示例指令的输出如下：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Node Status |
| 127.0.0.1:9003:40010 -> on |
| 127.0.0.1:9005:40012 -> off |
| 127.0.0.1:9004:40011 -> on |
| |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>上述输出表示127.0.0.1:9003:40010节点和127.0.0.1:9004:40011节点状态正常，127.0.0.1:9005:40012节点无法提供服务。</p></div> <!----> <p style="text-align: center;">Copyright © 2021 The Apache Software Foundation.<br> |
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