Grafana query example. — Grafana Labs — Panels.
Grafana query example. Boost your data filtering and visualization skills today. Jan 22, 2019 · How to Use Prometheus Query and Grafana Query. Each data source’s query editor provides a customized user interface to help you write queries that take advantage of its unique capabilities. When you edit any visualization in Grafana, in the Queries section, you would normally write a query that resembles what’s shown in the screenshot below. For example, a query that returns multiple series, where each series is identified by labels or tags. An individual expression takes one or more queries or other expressions as input and adds data to the result. There are two types of LogQL queries: Log queries return the contents of log lines. For general information on querying data sources in Grafana, refer to Query and transform data. See Metrics aggregations for additional information. Return log lines that are not within a range of IPv4 addresses: Grafana supports three types of data source response formats: Single Table-like Frame: This refers to data returned in a standard tabular structure, where all values are organized into rows and columns, similar to what you’d get from a SQL query. 3 on AWS Linux What are you trying to achieve? Using the Dashboard List panel, I want to filter the dashboards that are displayed. WHERE: Optional. Example: Any query against a SQL data source (e. A query is a question written in the query language used by the data source. You construct your SQL query directly in the query editor. Metrics - Metrics aggregations perform calculations such as sum, average, min, etc. g. Nearly every Flux query start with the following 3 instructions: Nov 7, 2024 · You can find all the examples in this post on Grafana Play to reference as you read through. The MySQL query editor is located on the Explore page. Expressions work with data source queries that return time series or number data. They also operate on multiple-dimensional data. GROUP BY: Optional. Binary For example, entering the value Host: [[tag_hostname]] in the ALIAS BY field replaces it with the hostname tag value for each legend value. For general information on Grafana query editors, refer to Query editors. The following dashboards in Grafana Play provide examples of template variables: Templating, repeated panels - Using query variables to control how many panels appear. Only give Grafana what it should draw. They can be single-value or multi-value. Query examples. LogQL uses labels and operators for filtering. Queries in Grafana can be applied in various ways, depending on the data source and query language being used. You can select a data source and then use the editor to write and customize your queries. 1. I would like to automatically create panels on a grafana dashboards (one panel for each monitored site Depends on what your query is, you should see one of the two interfaces. Each panel has a query editor specific to the data source selected in the panel. , PostgreSQL, MySQL) with the format set to Table. SQL query editor. — Grafana Labs — Panels. View example Mar 31, 2023 · What Grafana version and what operating system are you using? Grafana 9. x86_64 What are you trying to achieve? It is hard for me to understand the basic concept behind variables (I guess). 4-1. time: The exact time at which you want to evaluate the query (in nanoseconds since the Unix epoch). I have more than will neatly fit into a single list. aws. Here's how you can use Prometheus queries and Grafana queries to create strong and visually appealing dashboards. MySQL query editor. go, then parses each log line to extract more labels and filter with them. Queries Without further ado, here are some basic See full list on docs. go" | logfmt | duration > 10s and throughput_mb < 500 which will filter out log that contains the word metrics. Grafana’s query editors are unique for each data source. LogQL is Grafana Loki’s PromQL-inspired query language. Grafana supports up to 26 queries per panel. Templated Dynamic Dashboard - Uses query variables, chained query variables, an interval variable, and a repeated panel. Next, you need to update your graph query to use the variable. The open and composable observability and data visualization platform. Filters the query results to only the metrics that match your specified expression. Querying Data. 0 and higher. 4xlarge'. This is what you see when only one series is returned from your query: This is what you see when multiple series are returned from your query: Note that the series key is displayed on the left. Although Prometheus can graph data, Grafana provides a full framework for sharing dashboards, creating advanced queries and graphs, and allowing for sharing and reuse of those dashboards. amazon. 4. How to use multiple queries in a single panel. For simplicity, rather than a SQL or PromQL query Optional. For example, you can create a variable to display a list of server names fetched from a database query. The query editor allows you to extract the perfect visualization to display on the panel. Additionally, from your question, it sounds like you would also probably wish to enable the “Multi-value” and “Include All” options as well. Queries act as if they are a distributed grep to aggregate log sources. For example, I want a list of the 10 panels that are start with the letters A-H, and another Dashboard List panel list that displays the About queries Grafana panels communicate with data sources via queries, which retrieve data for the visualization. For simplicity, rather than a SQL or PromQL query Documentation Grafana Loki Configure Examples Query frontend example. ; a log pipeline |= "metrics. Metric queries extend log queries to calculate values based on query results. Grafana supports the SQL query language in InfluxDB v3. The query is composed of: a log stream selector {container="query-frontend",namespace="loki-dev"} which targets the query-frontend container in the loki-dev namespace. Documentation Grafana Loki Configure Examples Query frontend example. Open source Query frontend example Disclaimer. I would generally prefer to specify which labels to keep but couldn’t get that command to work Dec 23, 2020 · The panel is the basic visualization building block in Grafana. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more. Narrows the query results to only the metrics that are an exact match, or to metrics that do not match. Grafana supports different variable types that you can use in your dashboards: Query Variable: This type of variable allows you to populate values from a data source query. Depends on what your query is, you should see one of the two interfaces. Log query examples Examples that filter on IP address. Groups the query results into multiple time series. Sep 17, 2024 · Learn how to effectively use regex in Grafana queries with this comprehensive guide. Removing labels can be done with the drop command as shown in the example above. This strategy can drastically reduce the number of queries being made when, for example, you have several panels visualizing the same data. An example legend value is Host: server1. . For details about query editors and syntax in Grafana, refer to Query and transform data. Use bucket aggregations under Group by when creating a metrics query in the query builder. Provides LogQL query examples with explanations on what those queries accomplish. com Creating Queries in Grafana UI In the Grafana UI, queries are built using the query editor, which supports various data sources like Prometheus, MySQL, PostgreSQL, and others. Using the Search option in the left navigation bar, we select the My Dashboard May 19, 2023 · However, I'm facing challenges in understanding how to use query variables effectively in Grafana's KQL. Nov 29, 2024 · The examples use Grafana as a frontend for Prometheus, but these queries are universal and should work with any Prometheus-compatible frontend. Macros Apr 13, 2024 · As there is no way to select which labels to use for charting in Grafana, the LogQL query must not contain unnecessary labels. Use metrics aggregations in the metrics query type in the query builder. Instead of sending a separate query for each panel, Amazon Managed Grafana sends one query, and other panels use the query results to construct visualizations. You can also access the MySQL query editor Mar 31, 2017 · From here, make sure to also give it a name so you can reference it in your query in a second. For example, WHERE InstanceType != 'c3. You can configure query frequency and data collection limits in the panel’s data source options. I have a prometheus datasource with several jobs monitoring website endpoints. Example: Query logs for job="my-app Not all panels will have template queries. These LogQL query examples have explanations of what the queries accomplish. Jan 15, 2025 · query: The LogQL query string (the filter to search logs). Specifically, I would like to know: How to define and use query variables in Grafana's KQL log queries? What syntax should be used to reference query variables in dashboard to the KQL query In Grafana? Oct 29, 2023 · What Grafana version and what operating system are you using? Rocky Linux 9, grafana-10. njlvf gok injbd jiejzt rfqlgxni slxkujxk aam cyzlk wrjv ifn