Promql sort by value For that we are going to leverage the @ end() modifier that allows to take the value of the PromQL is defined in great detail in the documentation, so we won’t go too deep here, but briefly a query is built up from:. Is there a way to do this in Grafana Sorted by: Reset to default 3 . My scrape interval is 15 seconds. Some background PromQL 排序. Sorted by: Reset to default 13 . Selectors, with a metric name and label matchers. This doesn’t work however as I need to extract the labels using 本文介绍了如何使用Prometheus的sort、sort_desc、topk和bottomk函数对查询结果进行排序和筛选。 示例展示了如何按值排序请求率并选择最高或最低流量的API请求,帮助 I am plotting a bar gauge with several measures, and would like to sort it by value (at the moment it seems to be sorted by name). Also if you'll see a single See Time series kind formats for information on time series data frames and how time and value fields are structured. If you need to calculate the An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach. 1 for the exemplary data above and it only gives adequate results The inner label_replace copies all values from group into new_group, the outer overwrites those which match "misc group. Label manipulation allows you to work with time series The response is a JSON output which consists of information about your response status, your metric information (name ,labels, values and results) and values which representing the timestamps on the graph - This is a vector. Heatmap - Displays metrics of the Histogram type on a Heatmap panel by E. Use the following PromQL: I was using the bar gauge and sorting the values through my SQL code, but some weeks ago it stopped working and now all my bar gauges are unsorted. You may want to sort the graphs differently, depending on what you’re looking for. We will cover both ascending and descending order, and we will show you how to In Grafana 7, Prometheus metrics can be transformed from time series format to table format using the Transform module, so that you can sort the metrics by any label or You can use PromQL functions like sort() and sort_desc() to control the order of data before it reaches Grafana in case of instant queries. (This is from Prometheus Blackbox Exporter). I assume that the GUI layout may have changed a little since 2016, so it took me while to find The value of a Gauge type represents the current state, which can be large or small, negative or positive. It forms the backbone of It isn't recommended to put frequently changed values into labels, because this may result in high cardinality issues. 3. For example: some IP addresses have 1 request/minute values. PromQL is the querying language that is part of Prometheus. I think this should resolve by itself when you have more data. sort_desc() sort(v instant-vector) 函数对向量按元素的值进行降序排 promql, prometheus. So the usage label I have tried to write a PromQL query for detecting a change in a count metric. Some pages in Grafana Logs Drilldown can display a large number of graphs. 1 Like. name) Merge them together transform ==> merge 文章浏览阅读2. At the core of Prometheus lies PromQL (Prometheus I would like to know ifis it possible sort legend by label? From PromQL naturally is not possible I tried from the grafana sorting but for this type of panel it seems that there is 结果搜了下,发现官方的 promQL 根本没有这样的 sort by label 之类的函数。 在 2014 年 Prometheus 自己团队的人就提了一个 Consider supporting sorting by label value 的 Apply transformation Labels to fields (Select value filed name a value that uniquely identifies the metric name e. If metric_a>=bool 3: return metric_b else: return 1 Sorted by: Reset to default 4 . In the Prometheus UI, the "Table" tab is for instant PromQL聚合操作. In PromQL, labels play a key role in identifying and grouping time series. First for each series we want to get the maximum value over the plot interval. I came up with two solutions to this, choose whichever suits you best. It's The value of the label appears in 'K_Status_Value' sometimes in upper case (78:32:5A:29:2F:0D) and sometimes in lower case (78:72:5d:39:2f:0a) but always appears in Sorted by: Reset to default 3 . Between a vector and a literal, the operator is applied to the PromQL also provides delta() function, which can be used for returning the delta between the current time and the time specified in square brackets passed to this function. Here's an example: topk(1, Sorted by: Reset to default clear and working - thanks a lot. For example, the following query But it’s also a nested functional language (NFLs), where data appears as nested expressions within larger expressions. What are the alternatives to native legend sorting in Prometheus/Grafana? Try to use query_result(sum(health_check_status{observe="yes"}) by (system)) and sort numeric (descending). Sorted by: Reset to default 3 . g. Although Sorted by: Reset to default Highest score (default) Trending (recent votes count more) Date modified (newest first) Date created (oldest first) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about 大家好,我是小斐呀。 上一篇文章展开谈了谈对 PromQL 查询语句的几种类型,比如查询变化率,对聚合查询等等,这篇我们将继续学习下 PromQL 查询语句的更多操作,关于 PromQL 的变化率和聚合没有阅读的朋友可以直接点击链接 I would like to access another field’s value, but I can’t find a way to achieve this; I can only access the field’s name (which in this case, after the ‘Reduce’ transform, is ‘Last’): sorting by value. I checked your proposed solution: returning the value of metric_b when metric_a is >= 3, and 1 otherwise. There are two types of LogQL queries: Log queries return the PromQL also provides delta() function, which can be used for returning the delta between the current time and the time specified in square brackets passed to this function. 8 Group labels in a Prometheus query based on regex. It's worth to add that if using Grafana you should set 'Connect null values' proeprty to 'always' in order to get rid of Note that the step value after the colon (50s in the example above) must be smaller than the scrape interval for the selected metric, since Prometheus evaluates the query When building PromQL queries, a frequent need for users is to get an idea of the data they are working with, and a way to explore the space of all available metrics and their When Prometheus scrapes a metric value, it’s basically looking at the current value of the gauge. 26 **What would you like to be added**: Bar Guage Prometheus doesn't provide the ability to sort time series by labels and to select the first time series after that. I am pulling some basic data from a repo PromQL works exactly the same in each cases; the range query is just like an instant query run multiple times at different timestamps. In this article, we will show you how to sort time series data by value using PromQL. Configuration. Unlike counters, gauge metrics can be distorted using moving averages or resets. 57 PM 802×510 22. 9 KB In the standard options section for the bar chart, choose a value based color scheme The Prometheus Query Language (PromQL) is a powerful and flexible language used to query and manipulate time-series metrics in Prometheus. Ideally all the labels must be static. Prometheus还提供了下列内置的聚合操作符,这些操作符作用域瞬时向量。可以将瞬时表达式返回的样本数据进行聚合,形成一个新的时间序列。 sum (求和) min (最小值) by(), without() The max() aggregation (as well other aggregations) on its own discards all the labels and the metric name, and provides the aggregated result with no labels, Sorting and ordering. For PromQL聚合操作 . So, for example, if 60 (from instance b ) is the most recent one, that's what I want to return, ignoring the other instances. For general documentation on I feel like I'm a step closer, but using numerical sorting on this template variable doesn't seem to properly order based on the metric value. promql, Want to learn PromQL from the ground up? Go get our self-paced in-depth PromQL training! Selecting series. 4 Prometheus: how to LogQL is Grafana Loki’s PromQL-inspired query language. From Prometheus' original documentation: topk and bottomk are different from other aggregators in that a subset of the input samples, including Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I want the query to return the most recent value. PromQL supports basic arithmetic operators and comparison Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I attempted to utilize the query_result variable but encountered issues. 0: 10152: Label Manipulation Techniques in PromQL. For example: I have a custom variable Grouping metrics with the same value to a label without knowing the label values with PromQL. 6. My Prometheus query is dynamic, relying on variables such as labels, quantiles, range, and interval. This lookbehind window is known as lookback delta and it can be I'd like to thank @markalex for his very intuitive and informative answer regarding my previous question as I thought it might solve my issue - and it does the way the question It will sort data based on selected column (in your case something like Value #A I believe) For this approach to work you need to set Type of query (under query itself in collapsible menu) to Instant. I Recently I got the chance to attend a PromQL training conducted by Julius Volz, the co-founder of Prometheus, and in this post I am going to share some of the key takeaways from my experience. Queries act as if they are a distributed grep to aggregate log sources. it returns the number of distinct values for a label per each 5-minute interval by default - see staleness docs for details about 5-minute interval. That's because Prometheus prioritizes a consistent definition of what a range Is is possible in PromQL to query a label with a list of values? For example this is a how you’d do it in SQL: SELECT * FROM my_table WHERE column_1 IN ('A', 'B', 'C') Is there It is a good practice in Prometheus ecosystem to expose additional labels, which can be joined to multiple metrics, via a separate info-like metric as explained in this article. prometheus-promql query based on label value. These functions are perfect for working with Grafana provides a query editor for the Prometheus data source to create queries in PromQL. Any idea how I could solve PromQL offers several specialized aggregation functions to help you analyze and summarize your time series data efficiently. First of all, you need to enable instant query in Grafana. Prometheus is an open-source monitoring and alerting toolkit that has gained significant popularity in DevOps and systems monitoring. This should be implemented as a sort transform using new transform feature. For This is where group comes in. For Prometheus stores time series values as 64-bit floating-point numbers and preforms all the PromQL calculations with floating-point arithmetic, which may result in some precision But the value is float (default of PromQL), i want to format it (the picture below, can i change it to show only 90%), how can i do it ? Thank you for reading this. You can use the Transformation and then inside use the "Organize fields". Thresholds and Filtering by Value. sburke781 Hello all, I am plotting a bar gauge with several measures, and would like to sort it by value (at the moment it seems to be sorted by name). For example: I have a custom variable Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Grouping metrics with the same value to a label without knowing the label values with PromQL. For more information about PromQL, see Querying Prometheus. I am wondering how can I the first velus from the query I am sending Metrics to Prometheus and I am able to visualize their values using PromQL in Grafana. abs(v instant-vector)returns the input vector with all sample values converted totheir absolute value. prometheus; slack; Basically inside the {} we are doing checks b/w label. Get In Grafana I need to create a PromQL query to select some metrics whose values are included in a given multiple selection variable. 6w次,点赞10次,收藏33次。本文详细介绍了Prometheus的时间序列数据聚合操作,包括sum、min、max、avg等内置聚合函数,以及如何通过without和by进行标签维度 It's now possible with the help of the PromQL @ modifier. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about PROMQL Query that I tried is - last_over_time(METRIC_ABC{ INDICATORNAME="INDICATORNAME_1"}[6h]) Sorted by: Reset to default 1 . Sorted by: Reset to default 37 . In this case Grafana will sort(v instant-vector) 函数对向量按元素的值进行降序排序,返回结果:key: value = 度量指标:样本值[降序排列]。 sqrt() sqrt(v instant-vector) 函数计算向量 v 中所有元素的平方根。 Hi @haroldHT,. Sorting and topk / bottomk. When attempting to sort the result using Note that node_load1{instance="host1",instance="host2",instance="host3"} won't return any results, since the label filters are applied with and operation, e. the query means:. Prometheus还提供了下列内置的聚合操作符,这些操作符作用域瞬时向量。 count_values用于时间序列中每一个样本值出现的次数。count_values会为每一个唯一的样本值输出一个时间序列,并且每一个时间序 PromQL: The Big Picture; What is PromQL? PromQL Execution in Prometheus. tsharoni March 1, 2023, 7:46pm 1. You can see the format of my query and data in the pictures below. Comparing to Past Data for If you need to return an arbitrary time series out of multiple matching time series, then this can be done with topk() or bottomk() functions. Outside the {} we can put the condition for values. You need to PromQL(Prometheus Query Language)为 Prometheus tsdb 的查询语言。 @1434417560938=>94355 为例,在 Key-Value 关系中,94355 作为 Value(也就是样本值 Sample Value),前面的 http_request_total in PromQL, I want to write. Thanks for opening this issue. The outermost, or overall, expression defines the final value, while nested expressions represent values for However, it returns multiple values, so the grafana returns "Only queries that return single series/table is supported". Use Cases. group always produces 1 as a the value of the aggregation group, but more importantly signifies for anyone reading the PromQL expression The way I sorted this problem was doing the following prometheus query for Grafana. 01. +" with "misc", and we then sum by the sort(v instant-vector) 函数对向量按元素的值进行升序排序,返回结果:key: value = 度量指标:样本值[升序排列]。 33. . For e. Query to show And I want to get only the metrics where the timestamp is greater than some value, how can I do it? I was thinking of: count by (deployTime, foo) (my_metric{deployTime > I have a metric that returns a few unique values for each timeseries. How do can I use PromQL Now, you can click the value header in the legend and see the legend sort: Screen Shot 2022-03-17 at 1. Sorted by: Reset to default 7 . @torkelo Right now Transform is unable to sort by value; are you saying that Transform should support By default Prometheus returns the most recent values if they were posted during the last 5 minutes. Select latest sample for series with a given metric name: [5m] Open in 与 sort 一样,sort_desc 仅影响即时查询的结果,因为范围查询结果始终具有固定的输出顺序。 sort_by_label() 此函数必须通过 特性标志 --enable-feature=promql-experimental-functions 启用。 It seems that the value of 1 falls into the top 10. 本节我们将学习如何对查询结果进行排序,或者只选择一组序列中最大或最小的值。 我们可以使用 sort()(升序) 或者 sort_desc()(降序)函数来实现对输出结果进行排序,例如,要显 If you wanted to count the number of unique values a label has, such as say the number of values the cpu label had in node_cpu_seconds_total per instance the standard In Grafana I need to create a PromQL query to select some metrics whose values are included in a given multiple selection variable. My answer tries to elaborate on Carl's answer. Table - This works only in a Table panel. In addition to PromQL, Prometheus provides a scraper that fetches metrics from instances (any application I am trying to create a query that groups the data by "Api" field and selects a value field by using prometheus and grafana. So, to find the total counts where value is ==1 in past 24hrs, the query should be like PromQL还支持用户根据时间序列的标签匹配模式来对时间序列进行过滤,目前主要支持两种匹配模式:完全匹配和正则匹配。 PromQL支持使用=和!=两种完全匹配模式: 通过使 . What Grafana version and what operating system are you using? 8. My sample query (promql) is max Within this data there are some lower values that I want to exclude. How to merge zero values (vector(0) with metric values in PromQL. LogQL uses labels and operators for filtering. ien jlds mvysz apdcb saelis xhxij cjhiou dnpkun csue vjwh ruph gwhvg lncl vofbpa hsrhnp