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title: "社区贡献 | 使用OpenTenBase命令行工具pgxc_ctl添加DN节点" | ||
date: 2024-11-18T16:31:00+08:00 | ||
#image_webp: images/news/news-post-2.webp | ||
image: images/news/news-post-24.png | ||
author: OpenTenBase | ||
description: "" | ||
--- | ||
<img src=../images/news-post-24-1.png class="img-fluid" /><br/> | ||
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pgxc_ctl 是 OpenTenBase 提供的一个命令行工具,用于管理和操作集群。添加 DN(Data Node)节点是扩展集群存储和处理能力的常见操作。 | ||
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以下是使用 pgxc_ctl 添加 DN 节点的详细步骤。 | ||
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一、前提条件 | ||
------------ | ||
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1. 已经安装并配置好 OpenTenBase 集群:确保你已经有一个运行中的 OpenTenBase 集群。 | ||
2. 已编译并安装好 OpenTenBase 二进制文件:确保 pgxc_ctl 工具可用。 | ||
3. 新的 DN 节点已经准备:确保新的 DN 节点已经安装了必要的依赖,并且可以访问现有的集群节点。 | ||
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二、当前运行环境如下 | ||
-------------------- | ||
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``` | ||
PGXC monitor all | ||
Running: gtm master | ||
Running: gtm slave | ||
Running: coordinator master cn001 | ||
Running: coordinator master cn002 | ||
Running: datanode master dn001 | ||
Running: datanode slave dn001 | ||
Running: datanode master dn002 | ||
``` | ||
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集群信息如下: | ||
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三、添加DN节点 | ||
-------------- | ||
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目标:在新的节点192.168.2.138添加dn003节点 | ||
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注:PGXC的操作均在管控节点192.168.2.136上操作 | ||
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### 3.1. 准备新 DN 节点 | ||
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* 在新的 DN 节点上,创建必要的目录结构并设置权限: | ||
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# 创建数据目录mkdir -p /data/opentenbase/data/dn003 mkdir -p /data/opentenbase/installchown -R opentenbase:opentenbase /data/opentenbase # 创建 opentenbase 用户useradd -d /data/opentenbase -s /bin/bash -m opentenbase # 设置密码passwd opentenbase | ||
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### 3.2. 配置opentenbase环境变量 | ||
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[opentenbase]$ vim ~/.bashrcexport OPENTENBASE_HOME=/data/opentenbase/install/opentenbase_bin_v2.6export PATH=$OPENTENBASE_HOME/bin:$PATHexport LD_LIBRARY_PATH=$OPENTENBASE_HOME/lib:${LD_LIBRARY_PATH}export LC_ALL=C | ||
### 3.3. 分发二进制文件 | ||
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将 OpenTenBase 的二进制文件分发到新的 DN 节点。 | ||
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* 管控节点192.168.2.136分发软件包 | ||
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[opentenbase]pgxc_ctl -c /data/opentenbase/pgxc_ctl/pgxc_ctl.conf deploy 192.168.2.138 | ||
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### 3.4. 配置 SSH 互信 | ||
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确保现有的集群节点可以无密码访问新的 DN 节点: | ||
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# 生成 SSH 密钥对(如果还没有)ssh-keygen -t rsa # 将公钥复制到新的 DN 节点ssh-copy-id -i ~/.ssh/id_rsa.pub [email protected] | ||
### 3.5 添加dn003节点 | ||
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pgxc_ctl -c /data/opentenbase/pgxc_ctl/pgxc_ctl.conf PGXCadd datanode master dn003 192.168.2.138 40004 20012 /data/opentenbase/data/dn003 none none none none | ||
### 3.6 节点操作补充(不用执行) | ||
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1)初始化新的 DN 节点 | ||
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[opentenbase]pgxc_ctl -c /data/opentenbase/pgxc_ctl/pgxc_ctl.conf PGXCinit datanode dn003 | ||
2)启动新的 DN 节点 | ||
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使用 pgxc_ctl 工具启动新的 DN 节点: | ||
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[opentenbase]pgxc_ctl -c /data/opentenbase/pgxc_ctl/pgxc_ctl.conf PGXCstart datanode dn003 | ||
3)移除DN节点 | ||
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使用 pgxc_ctl 工具移除新的 DN 节点: | ||
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[opentenbase]pgxc_ctl -c /data/opentenbase/pgxc_ctl/pgxc_ctl.conf PGXCremove datanode master dn003 clean | ||
四. 验证 | ||
-------- | ||
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新增的 DN 节点连接到任意一个协调节点(CN),验证新的 DN 节点是否已经成功加入集群: | ||
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[opentenbase@db1 ~]$ psql -h 192.168.2.136 -p 30004 -d postgres -U opentenbasepsql (PostgreSQL 10.0 OpenTenBase V2)Type "help" for help.postgres=# select * from pgxc_node; node_name | node_type | node_port | node_host | nodeis_primary | nodeis_preferred | node_id | node_cluster_name -----------+-----------+-----------+---------------+----------------+------------------+-------------+--------------------- gtm | G | 50001 | 192.168.2.136 | t | f | 428125959 | opentenbase_cluster cn001 | C | 30004 | 192.168.2.136 | f | f | -264077367 | opentenbase_cluster cn002 | C | 30004 | 192.168.2.137 | f | f | -674870440 | opentenbase_cluster dn001 | D | 40004 | 192.168.2.136 | t | t | 2142761564 | opentenbase_cluster dn002 | D | 40004 | 192.168.2.137 | f | f | -17499968 | opentenbase_cluster dn003 | D | 40004 | 192.168.2.138 | f | f | -1956435056 | opentenbase_cluster(6 rows) | ||
五、总结 | ||
-------- | ||
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通过以上步骤,你可以成功地使用 pgxc_ctl 工具向 OpenTenBase 集群中添加一个新的 DN 节点。主要步骤包括准备新节点、分发二进制文件、添加节点以及验证新增节点是否成功加入集群。 | ||
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<img src=../images/news-post-9-11.png class="img-fluid" /><br/> | ||
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我们目前正在积极征集OpenTenBase的用户使用案例,如果您有相关使用经验,欢迎提交给我们。也期待您加入OpenTenBase社区,跟我们共同推动项目发展! | ||
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<img src=../images/news-post-9-12.png class="img-fluid" /><br/> | ||
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**官网:** https://www.opentenbase.org/ | ||
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**贡献代码** | ||
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* AtomGit | ||
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https://atomgit.com/opentenbase/OpenTenBase | ||
* GitHub | ||
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https://github.com/OpenTenBase/OpenTenBase |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,29 @@ | ||
--- | ||
title: "社区贡献 | OpenTenBase配置冷热数据分离" | ||
date: 2024-10-31T16:31:00+08:00 | ||
#image_webp: images/news/news-post-2.webp | ||
image: images/news/news-post-23.png | ||
author: OpenTenBase | ||
description: "" | ||
--- | ||
<img src=../images/news-post-23-1.png class="img-fluid" /><br/> | ||
|
||
|
||
|
||
|
||
<img src=../images/news-post-9-11.png class="img-fluid" /><br/> | ||
|
||
我们目前正在积极征集OpenTenBase的用户使用案例,如果您有相关使用经验,欢迎提交给我们。也期待您加入OpenTenBase社区,跟我们共同推动项目发展! | ||
|
||
<img src=../images/news-post-9-12.png class="img-fluid" /><br/> | ||
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**官网:** https://www.opentenbase.org/ | ||
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**贡献代码** | ||
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* AtomGit | ||
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https://atomgit.com/opentenbase/OpenTenBase | ||
* GitHub | ||
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https://github.com/OpenTenBase/OpenTenBase |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,29 @@ | ||
--- | ||
title: "社区贡献 | OpenTenBase配置冷热数据分离" | ||
date: 2024-10-31T16:31:00+08:00 | ||
#image_webp: images/news/news-post-2.webp | ||
image: images/news/news-post-23.png | ||
author: OpenTenBase | ||
description: "" | ||
--- | ||
<img src=../images/news-post-23-1.png class="img-fluid" /><br/> | ||
|
||
|
||
|
||
|
||
<img src=../images/news-post-9-11.png class="img-fluid" /><br/> | ||
|
||
我们目前正在积极征集OpenTenBase的用户使用案例,如果您有相关使用经验,欢迎提交给我们。也期待您加入OpenTenBase社区,跟我们共同推动项目发展! | ||
|
||
<img src=../images/news-post-9-12.png class="img-fluid" /><br/> | ||
|
||
**官网:** https://www.opentenbase.org/ | ||
|
||
**贡献代码** | ||
|
||
* AtomGit | ||
|
||
https://atomgit.com/opentenbase/OpenTenBase | ||
* GitHub | ||
|
||
https://github.com/OpenTenBase/OpenTenBase |
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