自定义变量和内置变量的使用方式没有区别,都是在 SQL 中用$variableName进行引用。 自定义变量支持多种类型,常见的类型包括Query(查询)、Constant(常量)、Interval(间隔)、Data source(数据源)等。 自定义变量可以引用其他自定义变量,比如一个变量表示区域,另一个变量可以引用区域的值,来查询这个区域的设备。
In this blog, we’ll explain how to use other data sources for trace discovery in Grafana Tempo, our new distributed tracing backend. Grafana Tempo|Intermediate Blog post Learn Grafana: Share query results between panels to reduce load time ...
# instance name, defaults to HOSTNAME environment variable value or hostname if HOSTNAME var is empty ;instance_name = ${HOSTNAME} # force migration will run migrations that might cause dataloss ;force_migration = false ### Paths ### [paths] # Path to where grafana can store temp files...
① General(常⽤),Name(定义变量名);Label(标签),在仪表盘上显⽰的标签名字;Hide(隐藏),⽤于隐藏label(标签)或者暂时不 ⽤variable(变量);Type(变量的类型)⼜包括如下⼏种可选项: 1、Interval(间隔),此变量可以表⽰查询的时间跨度,这样在查询的SQL中不⽤硬编码时间间隔,⽽是使⽤Interval变量来...
If you set an option to $__env{PORT} the value of the PORT environment variable replaces it. For environment variables you can also use the short-hand syntax ${PORT}. The following example sets the log directory to the path in the LOGDIR environment variable:...
MySQL [(none)]> INSERT INTO MySQL_users(username,password,default_hostgroup) VALUES ('proxysql','proxysql',2); Query OK, 1 row affected (0.000 sec) 账号 密码 MySQL [(none)]> UPDATE global_variables SET variable_value='proxysql' where variable_name='mysql-monitor_username'; Query OK, 1...
Hi, It would be nice to be able to use variable as value in query editor for e.g. database (imagine you have multiple databases for more environments a you would like to switch dashboard to different DB by simply changing variable) Now i...
Fallbacks to TZ environment variable if not set. rendering_timezone = # Instruct headless browser instance to use a default language when not provided by Grafana, e.g. when rendering panel image of alert. # Please refer to the HTTP header Accept-Language to understand how to format this ...
SQL Server Declare variable in Grafana query from dashboard variableBasically, at the last line of...
- **CloudWatch:** Add account support to variable queries. [#63822](https://github.com/grafana/grafana/pull/63822), [@iwysiu](https://github.com/iwysiu) - **CloudWatch:** Make deeplinks work for us-gov and china regions. [#64080](https://github.com/grafana/grafana/pull/64080), ...