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class="vp-toc-placeholder"><aside id="toc"><!--[--><!----><!--]--><div class="vp-toc-header">此页内容<button type="button" class="print-button" title="打印"><svg xmlns="http://www.w3.org/2000/svg" class="icon print-icon" viewBox="0 0 1024 1024" fill="currentColor" aria-label="print icon"><path d="M819.2 364.8h-44.8V128c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v236.8h-44.8C145.067 364.8 96 413.867 96 473.6v192c0 59.733 49.067 108.8 108.8 108.8h44.8V896c0 17.067 14.933 32 32 32h460.8c17.067 0 32-14.933 32-32V774.4h44.8c59.733 0 108.8-49.067 108.8-108.8v-192c0-59.733-49.067-108.8-108.8-108.8zM313.6 160h396.8v204.8H313.6V160zm396.8 704H313.6V620.8h396.8V864zM864 665.6c0 25.6-19.2 44.8-44.8 44.8h-44.8V588.8c0-17.067-14.933-32-32-32H281.6c-17.067 0-32 14.933-32 32v121.6h-44.8c-25.6 0-44.8-19.2-44.8-44.8v-192c0-25.6 19.2-44.8 44.8-44.8h614.4c25.6 0 44.8 19.2 44.8 44.8v192z"></path></svg></button><div class="arrow end"></div></div><div class="vp-toc-wrapper"><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level2" href="#confignode-配置参数">ConfigNode 配置参数</a></li><li><ul class="vp-toc-list"><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#环境配置项-confignode-env-sh-bat">环境配置项（confignode-env.sh/bat）</a></li><!----><!--]--><!--[--><li class="vp-toc-item"><a class="route-link vp-toc-link level3" href="#系统配置项-iotdb-confignode-properties">系统配置项（iotdb-confignode.properties）</a></li><!----><!--]--></ul></li><!--]--></ul><div class="vp-toc-marker" style="top:-1.7rem;"></div></div><!--[--><!----><!--]--></aside></div><!--[--><!----><!--]--><div class="theme-hope-content"><h2 id="confignode-配置参数" tabindex="-1"><a class="header-anchor" href="#confignode-配置参数"><span>ConfigNode 配置参数</span></a></h2><p>IoTDB ConfigNode 配置文件均位于 IoTDB 安装目录：<code>conf</code>文件夹下。</p><ul><li><p><code>confignode-env.sh/bat</code>：环境配置项的配置文件，可以配置 ConfigNode 的内存大小。</p></li><li><p><code>iotdb-confignode.properties</code>：IoTDB ConfigNode 的配置文件。</p></li></ul><h3 id="环境配置项-confignode-env-sh-bat" tabindex="-1"><a class="header-anchor" href="#环境配置项-confignode-env-sh-bat"><span>环境配置项（<a href="http://confignode-env.sh/bat%EF%BC%89" target="_blank" rel="noopener noreferrer">confignode-env.sh/bat）<span><svg class="external-link-icon" 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"><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="external-link-icon-sr-only">open in new window</span></span></a></span></a></h3><p>环境配置项主要用于对 ConfigNode 运行的 Java 环境相关参数进行配置，如 JVM 相关配置。ConfigNode 启动时，此部分配置会被传给 JVM，详细配置项说明如下：</p><ul><li>MAX_HEAP_SIZE</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">MAX_HEAP_SIZE</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">IoTDB 能使用的最大堆内存大小</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">取决于操作系统和机器配置。在 Linux 或 MacOS 系统下默认为机器内存的四分之一。在 Windows 系统下，32 位系统的默认值是 512M，64 位系统默认值是 2G。</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>HEAP_NEWSIZE</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">HEAP_NEWSIZE</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">IoTDB 启动时分配的最小堆内存大小</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">取决于操作系统和机器配置。在 Linux 或 MacOS 系统下默认值为机器 CPU 核数乘以 100M 的值与 MAX_HEAP_SIZE 四分之一这二者的最小值。在 Windows 系统下，32 位系统的默认值是 512M，64 位系统默认值是 2G。</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>MAX_DIRECT_MEMORY_SIZE</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">MAX_DIRECT_MEMORY_SIZE</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">IoTDB 能使用的最大堆外内存大小</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">默认与最大堆内存相等</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><h3 id="系统配置项-iotdb-confignode-properties" tabindex="-1"><a class="header-anchor" href="#系统配置项-iotdb-confignode-properties"><span>系统配置项（iotdb-confignode.properties）</span></a></h3><p>IoTDB 集群的全局配置通过 ConfigNode 配置。</p><h4 id="config-node-rpc-配置" tabindex="-1"><a class="header-anchor" href="#config-node-rpc-配置"><span>Config Node RPC 配置</span></a></h4><ul><li>cn_internal_address</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_internal_address</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">ConfigNode 集群内部地址</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">127.0.0.1</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_internal_port</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_internal_port</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">ConfigNode 集群服务监听端口</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">Short Int : [0,65535]</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">10710</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><h4 id="共识协议" tabindex="-1"><a class="header-anchor" href="#共识协议"><span>共识协议</span></a></h4><ul><li>cn_consensus_port</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_consensus_port</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">ConfigNode 的共识协议通信端口</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">Short Int : [0,65535]</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">10720</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><h4 id="目标-config-node-配置" tabindex="-1"><a class="header-anchor" href="#目标-config-node-配置"><span>目标 Config Node 配置</span></a></h4><ul><li>cn_target_config_node_list</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_target_config_node_list</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">目标 ConfigNode 地址，ConfigNode 通过此地址加入集群</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">127.0.0.1:10710</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><h4 id="数据目录" tabindex="-1"><a class="header-anchor" href="#数据目录"><span>数据目录</span></a></h4><ul><li>cn_system_dir</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_system_dir</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">ConfigNode 系统数据存储路径</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">data/confignode/system（Windows：data\configndoe\system）</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_consensus_dir</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_consensus_dir</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">ConfigNode 共识协议数据存储路径</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">String</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">data/confignode/consensus（Windows：data\configndoe\consensus）</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><h4 id="thrift-rpc-配置" tabindex="-1"><a class="header-anchor" href="#thrift-rpc-配置"><span>Thrift RPC 配置</span></a></h4><ul><li>cn_rpc_thrift_compression_enable</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_rpc_thrift_compression_enable</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">是否启用 thrift 的压缩机制。</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">Boolean</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">false</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_rpc_advanced_compression_enable</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_rpc_advanced_compression_enable</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">是否启用 thrift 的自定制压缩机制。</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">Boolean</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">false</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_rpc_max_concurrent_client_num</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_rpc_max_concurrent_client_num</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">最大连接数。</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">Short Int : [0,65535]</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">65535</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_thrift_max_frame_size</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_thrift_max_frame_size</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">RPC 请求/响应的最大字节数</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">long</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">536870912 （默认值512MB，应大于等于 512 * 1024 * 1024)</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_thrift_init_buffer_size</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_thrift_init_buffer_size</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">字节数</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">Long</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">1024</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_connection_timeout_ms</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_connection_timeout_ms</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">节点连接超时时间</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">20000</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_selector_thread_nums_of_client_manager</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_selector_thread_nums_of_client_manager</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">客户端异步线程管理的选择器线程数量</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">1</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_core_client_count_for_each_node_in_client_manager</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_core_client_count_for_each_node_in_client_manager</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">单 ClientManager 中路由到每个节点的核心 Client 个数</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">200</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><ul><li>cn_max_client_count_for_each_node_in_client_manager</li></ul><table><thead><tr><th style="text-align:center;">名字</th><th style="text-align:left;">cn_max_client_count_for_each_node_in_client_manager</th></tr></thead><tbody><tr><td style="text-align:center;">描述</td><td style="text-align:left;">单 ClientManager 中路由到每个节点的最大 Client 个数</td></tr><tr><td style="text-align:center;">类型</td><td style="text-align:left;">int</td></tr><tr><td style="text-align:center;">默认值</td><td style="text-align:left;">300</td></tr><tr><td style="text-align:center;">改后生效方式</td><td style="text-align:left;">重启服务生效</td></tr></tbody></table><h4 id="metric-监控配置" tabindex="-1"><a class="header-anchor" href="#metric-监控配置"><span>Metric 监控配置</span></a></h4></div><!--[--><!----><!--]--><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a 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