Prometheus label values. “Prometheus label_replace, label_join, label_values” is published by Kiwi lee. Master PromQL, advanced techniques, and best practices for efficient metric analysis. For details on metric names, label names, and label values, refer to the Prometheus documentation. Feb 21, 2019 · 名称 描述; label_values(label) 返回Promthues所有监控指标中，标签名为label的所有可选值: label_values(metric, label) 返回Promthues所有监控指标metric中，标签名为label的所有可选值 Mar 21, 2021 · 所以我有两个度量，我需要从第一个度量中获取标签值，然后查询第二个度量，其中{param="label_values_from_1st_metric"}。前任：metric_1{instance="abc"} -返回3个timeseries：metric_1{name="my-service", env="product Jun 28, 2024 · label_replace, label_join, label_values 的 function 使用方式，可協助我們整理 metrics label 的資訊. Then it finds unique domain label values for the returned time series and passes an additional label filter on the domain label to the left part of the a and b query. 0. Sep 5, 2024 · Counting unique label values can be tricky with Prometheus's basic queries. Jul 5, 2021 · 作者：csz 原文: 点我 Question Prometheus 可以使用 $value 变量将当前告警规则表达式的数值输出到告警信息里。但是有些浮点数值 Jan 13, 2020 · 前言Prometheus中，数据模型的核心是标签（Labels）。标签允许我们对指标数据进行维度化和分类，从而更好地理解系统的运行状态和性能。 本文将学习 Prometheus 中标签的基础知识，以及如何使用标签来优化指标的管理和查询。 参考文档： 服务发现与Relabel prometheus label标签的使用 relabel_config May 22, 2024 · prometheus label_values，在Kubernetes中，Prometheus是一种非常流行的监控和警报工具，它可以为我们提供非常丰富的监控数据和指标，便于我们对集群的健康状况有一个清晰的了解。 Sep 20, 2023 · Here label_replace is applied tow times: one for each label. Since a series is defined by the label value (s), one needs to be careful with labels that might have high cardinality. These label functions provide powerful capabilities for manipulating and filtering time series data based on their labels in Prometheus. I'll keep this short and to the point: I have a set of values in the form: kube_namespace_labels{container="kube-state-me Jun 20, 2025 · Prometheus Metric Labels: Key-value pairs that add context to the metric; Value: The measurement value itself; Timestamp: Point in time that indicates the exact moment the metric was recorded Let’s understand the anatomy of a typical Prometheus metric using a Prometheus labels example. It is recommended to initialize the label values by calling the . g. How can I construct a Prometheus query that returns the version string? It is also possible to negatively match a label value, or to match label values The following label matching operators exist: =: Select labels that are exactly equal to the provided string. – lukapiske. Optional. Jul 24, 2024 · Learn how to write Prometheus queries that return label values. 1: 1540: November 2, 2021 How to use wildcard in query: label_values. stddev and stdvar only work with float samples, following IEEE 754 floating point Sep 26, 2022 · I'm trying to create a grafana variable from a prometheus data source. But other values of label name wouldn't be changed, addition of Mar 21, 2021 · 所以问题是，我如何将label_values传递给第二个查询？ 据我所知，我只能对grafana面板中的变量使用label_values()，所以我不能编写一个为我这样做的查询。 prometheus Nov 12, 2024 · prometheus label_values，PromQL基础使用一、基础理论1. 0 means disabled. 1、表达式运算 同一个Metrics不同的Label代表不同的时间序列，每个序列，我们也可以称之为一个向量，将多个序列放入同一个坐标系内，就形成一个矩阵了，那么对于PromQL，实际上它就上让我们能够从这样一个矩阵中去筛选出，我们需要的数据的，并在 The value of each time series is the number of times that sample value was present. It might take time for the wider ecosystem (downstream PromQL compatible projects and vendors, tooling, third-party instrumentation, collectors, etc Mar 19, 2018 · label_values is not prometheus function, it is part of grafana templating. Labels with an empty label value are considered equivalent to labels that do not exist. it executes label_copy(metric_1{instance="abc"}, "host", "domain"). WARNING: The UTF-8 support for metric and label names was added relatively recently in Prometheus v3. I’ve found the topic been asked on different websites (including but not limited to stackoverflow and github of course) and tried everything suggested without success. Query options Under the query variable type, you can set the following query options: Jul 29, 2024 · This article explores the concept of Prometheus labels, their significance in the Prometheus ecosystem, and best practices for their effective use. If it matches, the value of the label dst_label in the returned timeseries will be the expansion of replacement, together with the original Template reference. For the latter, a compact string representation of the histogram sample value is used as the label value. While Prometheus excels at tracking metrics over time, its standard functions aren’t designed to directly count distinct label values. match[]=<series_selector>: Repeated series selector argument that selects the series from which to read the label values. I suppose you wanted to create a filter Do not use labels to store dimensions with high cardinality (many different label values), such as user IDs, email addresses, or other unbounded sets of values. The problem lies in Prometheus’s design. The terms time series, series, and metric are often used interchangeably. Also notice, that here I showed two different approaches: simple replacement of a single value with another value for name. label_set: With this function, you can add or modify label values of a time series. Let us see the function usage, label_replace(v instant-vector, dst_label string, replacement string, src_label string, regex string) v is instant time series; dst_label is the new label name; replacement is regex against the value of the label src_label for using the string in new label name For each timeseries in v, label_replace(v instant-vector, dst_label string, replacement string, src_label string, regex string) matches the regular expression regex against the value of the label src_label. Dec 2, 2024 · Step 2: Return Values of All Unique Labels. Base Units Prometheus does not have any units hard coded. !=: Select labels that are not equal to the provided string. The data section of the JSON response is a list of string label values. , method) from the http_requests_total metric, you can use the label_values function in conjunction with the Prometheus UI or Grafana. =~: Select labels that regex-match the provided string. Any metric test_gauge with label name set name_value will have it replaced with renamed_value. Consider the following Prometheus time series:. labels() method alone: Nov 21, 2022 · Hello, I’m looking for a way to get a label’s value as query result rather than just a 1 or a 0 I’ve been knocking my head all around the web for hours but I’ve yet to find a definitive working answer. 一、label_values的介绍 label_values函数是Prometheus中常用的一个函数，它的作用是返回指定label的所有可能取值。它的语法如下： label_values(label) 其中，label表示要查询的标签名称，该标签名称必须存在于当前context中。 Mar 22, 2021 · VictoriaMetrics starts from the right part of the a and b query, e. Grafana. If you want to return all the unique values of a specific label (e. This example queries for all label values for the http_status Nov 15, 2023 · Metrics with labels are not initialized when declared, because the client can’t know what values the label can have. What are Prometheus Labels: Understanding the Basics. limit=<number>: Maximum number of returned series. Prometheus supports templating in the annotations and labels of alerts, as well as in served console pages. For example, to get unique methods used in the requests: Aug 12, 2020 · Creating a list of all available values per label with Prometheus as the Data source. Even on this Mar 23, 2024 · Here, we will use function label_replace from Prometheus. Prometheus labels are key-value pairs attached to metrics that provide additional context and characterization. Commented Oct 15, 2019 at 20:02. Jul 22, 2016 · When put in a Grafana dashboard in a single value panel, this doesn't display the version string but instead the count value (1). Jul 24, 2021 · Every such time series is stored separately on the Prometheus node in the form of an append-only file. Templates have the ability to run queries against the local database, iterate over data, use conditionals, format data, etc. count_values works with both float samples and histogram samples. Feb 23, 2023 · Learn how to get value from Prometheus metrics in Grafana when the information you need is in the labels, not the numeric values displayed in your graph. It takes three arguments: the input vector, the label name to set or modify, and the label value to assign. Jul 31, 2017 · Prometheus data source | Grafana documentation Guide for using Prometheus in Grafana There is a templating query called label_values that allows you to query label values for a template variable. qzoxop jetsp fcefa rjs ctkhra jwym exj mygdrp kvna jnrik