Merge pull request #22403 from taosdata/doc/ttlChangeOnWrite
docs: update for clusher cfg
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@ -62,12 +62,13 @@ serverPort 6030
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For all the dnodes in a TDengine cluster, the below parameters must be configured exactly the same, any node whose configuration is different from dnodes already in the cluster can't join the cluster.
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| **#** | **Parameter** | **Definition** |
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| ----- | ------------------ | ------------------------------------------- |
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| 1 | statusInterval | The interval by which dnode reports its status to mnode |
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| 2 | timezone | Timezone |
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| 3 | locale | System region and encoding |
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| 4 | charset | Character set |
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| **#** | **Parameter** | **Definition** |
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| ----- | ---------------- | ----------------------------------------------------------------------------- |
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| 1 | statusInterval | The interval by which dnode reports its status to mnode |
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| 2 | timezone | Timezone |
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| 3 | locale | System region and encoding |
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| 4 | charset | Character set |
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| 5 | ttlChangeOnWrite | Whether the ttl expiration time changes with the table modification operation |
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## Start Cluster
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@ -97,7 +98,7 @@ Then, on the first dnode i.e. h1.tdengine.com in our example, use TDengine CLI `
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CREATE DNODE "h2.taos.com:6030";
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````
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This adds the end point of the new dnode (from Step 4) into the end point list of the cluster. In the command "fqdn:port" should be quoted using double quotes. Change `"h2.taos.com:6030"` to the end point of your new dnode.
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This adds the end point of the new dnode (from Step 4) into the end point list of the cluster. In the command "fqdn:port" should be quoted using double quotes. Change `"h2.taos.com:6030"` to the end point of your new dnode.
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Then on the first dnode h1.tdengine.com, execute `show dnodes` in `taos`
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@ -62,12 +62,13 @@ serverPort 6030
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加入到集群中的数据节点 dnode,下表中涉及集群相关的参数必须完全相同,否则不能成功加入到集群中。
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| **#** | **配置参数名称** | **含义** |
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| ----- | ------------------ | ------------------------------------------- |
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| 1 | statusInterval | dnode 向 mnode 报告状态时长 |
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| 2 | timezone | 时区 |
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| 3 | locale | 系统区位信息及编码格式 |
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| 4 | charset | 字符集编码 |
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| **#** | **配置参数名称** | **含义** |
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| ----- | ---------------- | ------------------------------------ |
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| 1 | statusInterval | dnode 向 mnode 报告状态时长 |
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| 2 | timezone | 时区 |
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| 3 | locale | 系统区位信息及编码格式 |
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| 4 | charset | 字符集编码 |
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| 5 | ttlChangeOnWrite | ttl 到期时间是否伴随表的修改操作改变 |
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## 启动集群
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@ -196,10 +197,10 @@ dnodeID 是集群自动分配的,不得人工指定。它在生成时是递增
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1、建立集群时使用 CREATE DNODE 增加新节点后,新节点始终显示 offline 状态?
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```sql
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1)首先要检查增加的新节点上的 taosd 服务是否已经正常启动
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2)如果已经启动,再检查到新节点的网络是否通畅,可以使用 ping fqdn 验证下
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3)如果前面两步都没有问题,这一步要检查新节点做为独立集群在运行了,可以使用 taos -h fqdn 连接上后,show dnodes; 命令查看.
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如果显示的列表与你主节点上显示的不一致,说明此节点自己单独成立了一个集群,解决的方法是停止新节点上的服务,然后清空新节点上
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如果显示的列表与你主节点上显示的不一致,说明此节点自己单独成立了一个集群,解决的方法是停止新节点上的服务,然后清空新节点上
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taos.cfg 中配置的 dataDir 目录下的所有文件,重新启动新节点服务即可解决。
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```
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```
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