在Dashboard 的设置中,我们找到 Variables 的设置,点击 New,进入设置页面,其中 Type 类型包含多种,我们常见的就是 Query。可以通过 JSON 字符串来自定义,它的语法如下: 默认大小限制为 500。你可以通过 size 进行设置。 你可以在 Query 中使用其他变量,当其他变量变化时,查询的结果也会随之变化。 复制 {"find"...
Query variable The OpenSearch data source supports two types of queries you can use in the Query field of Query variables. The query is written using a custom JSON string. QueryDescription {"find": "fields", "type": "keyword"} Returns a list of field names with the index type keyword. ...
Data sources can now be setup using config files. These data sources are by default not editable from the Grafana GUI. It’s also possible to update and delete data sources from the config file. More info in thedata source provisioning docs. 数据源现在可以使用配置文件进行设置。这些数据源在默...
A variable is a placeholder for a value. You can use variables in metric queries and in panel titles. So when you change the value, using the dropdown at the top of the dashboard, your panel’s metric queries will change to reflect the new value. ...
Tag values query:应该返回指定tags的值列表的数据源查询。在查询中使用$tag引用当前选中的标记。 Interval variables 使用区间类型创建一个变量,代表一个时间跨度(如1m,1h、1d)。还有一个特殊auto Option选项,将根据当前时间范围的变化。您可以指定多少个时间范围来划分,计算当时auto时间间隔。
Tag values query:应该返回指定tags的值列表的数据源查询。在查询中使用$tag引用当前选中的标记。 Interval variables 使用区间类型创建一个变量,代表一个时间跨度(如1m,1h、1d)。还有一个特殊auto Option选项,将根据当前时间范围的变化。您可以指定多少个时间范围来划分,计算当时auto时间间隔。
Grafana uses several types of variables. Variable typeDescription QueryQuery-generated list of values such as metric names, server names, sensor IDs, data centers, and so on. For more information, seeAdding a query variable. CustomDefine the variable options manually using a comma-separated list....
You can create dynamic dashboards usingtemplate variables. All variables in your queries expand to the current value of the variable before the query is sent to the database. With variables, you can reuse a single dashboard for all your services. ...
This yields "No data" in the dashboard when adding the required variables to the URL Changing the query to fixed values and it works (tested using "Explore" option of the datasource) Is the bug inside a dashboard panel? No response ...
If you are using multiplelabelmatchers, they are combined using the AND logical operator. This means thatallmatchers must match inordertolinkaruletoapolicy. 如果使用多个标签匹配器,则会使用AND逻辑运算符对它们进行组合。这意味着所有标签匹配器必须匹配,才能将规则链接到策略。