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How to Set Labels In Grafana With Clickhouse?

4 minutes read

To set labels in Grafana with ClickHouse, you can use the Grafana templating feature. This allows you to create variables that can be used to set labels dynamically based on the selected variable value.


To do this, first set up your ClickHouse data source in Grafana. Then, navigate to the dashboard settings and click on "Variables". Create a new variable and set it to query your desired label values from ClickHouse.


Next, go to your panel settings and click on the "Visualization" tab. In the "Field" dropdown menu, select the label field that you want to set dynamically. Then, in the field settings, click on the "Add data link" button and configure it to use your variable as the link.


Now, when you interact with the variable dropdown in your dashboard, the label in your panel will dynamically update based on the selected variable value from ClickHouse. This allows you to create dynamic and interactive dashboards in Grafana using ClickHouse as the data source.


What is the relationship between labels and aliases in Grafana for ClickHouse?

In Grafana for ClickHouse, labels are used to provide additional metadata or grouping for time series data, while aliases are used to customize the display names of time series data.


Labels in Grafana can be used to filter and group time series data based on specific criteria such as host name, data source, or measurement type. This helps users organize and categorize their data for easier analysis and visualization.


Aliases in Grafana can be used to rename the display names of time series data to make them more user-friendly and descriptive. This allows users to provide custom names for their data series that better reflect the underlying data being represented.


In summary, labels are used to categorize and group time series data, while aliases are used to customize the display names of time series data in Grafana for ClickHouse.


How to filter ClickHouse data using labels in Grafana?

To filter ClickHouse data using labels in Grafana, you can follow these steps:

  1. Open Grafana and navigate to the dashboard where you want to add the filter.
  2. Click on the "Add Query" button in the dashboard panel you want to filter.
  3. In the Query tab, select "ClickHouse" as the data source.
  4. Enter the ClickHouse query that retrieves the data you want to filter, for example: SELECT * FROM table_name WHERE label = 'value'
  5. Click on the "Add Query" button again to add a new query.
  6. In the new query, select "ClickHouse" as the data source.
  7. Enter a query that retrieves the distinct values of the label you want to use as a filter, for example: SELECT DISTINCT label FROM table_name
  8. Click on the "Apply" button to apply the changes.
  9. Click on the "Metrics" tab and select the label you want to use as a filter under the "Group by" drop-down menu.
  10. Save the dashboard and you should now see a filter dropdown on the dashboard panel that allows you to select different values for the label and filter the data accordingly.


What options are available for setting labels in Grafana with ClickHouse?

In Grafana with ClickHouse, the following options are available for setting labels:

  1. Custom labels: Users can create custom labels in Grafana by using variables, templates, and queries. These custom labels can be used to display additional information about the data being visualized in the dashboard.
  2. Time series labels: Grafana allows users to set time series labels based on the time range selected in the dashboard. This can help provide context to the data being displayed, such as the time period or frequency of the data.
  3. Annotations: Annotations in Grafana can be used to add contextual information to the dashboard, such as events, alerts, or incidents. Users can set labels for annotations to provide additional details about the event being highlighted.
  4. Legend labels: Grafana provides options for customizing the legend labels displayed in the charts and graphs. Users can set labels for different series, data points, or metrics to provide clarity and context to the data visualizations.
  5. Data source labels: Users can set labels for data sources in Grafana to distinguish between different sources of data being used in the dashboard. This can help users track and manage data coming from multiple ClickHouse databases or tables.


How to set labels in Grafana with ClickHouse?

To set labels in Grafana with ClickHouse, follow these steps:

  1. In your Grafana dashboard, click on the "Settings" icon in the left sidebar.
  2. In the "Settings" menu, click on "Data Sources" and then select your ClickHouse data source.
  3. In the data source settings, click on the "Metrics" tab.
  4. Under the "Select metric" dropdown menu, select the metric for which you want to set labels.
  5. Click on the "Edit" button next to the selected metric.
  6. In the metric settings window, you can add labels by clicking on the "Add tag" button. Enter the label key and value in the respective fields.
  7. Click on the "Save" button to save the changes.
  8. Your labels should now be set for the selected metric in Grafana with ClickHouse. You can now use these labels to filter and visualize your data in the dashboard.
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