Prometheus labeldrop example

Prometheus labeldrop example. You signed out in another tab or window. replicaExternalLabelName : Recording rules should be of the general form level:metric:operations. Mar 3, 2016 · The documentation for relabel_config is very clinical and hard to understand. 0 [Prometheus][Grafana] Use label to map metrics Aug 6, 2021 · Pause containers in Prometheus. (sum by (pod_name) (rate (container_cpu_usage_seconds_total [5m]))) This query calculates the relabelings: - sourceLabels: [__name__] regex: (. *) replacement: $1 target_label: funday_monday action: replace Help is appreciated. S. *. 5. Counter: A counter metric always increases. The collector's Prometheus receiver is basically a prometheus server. relabel_configs: - action: labeldrop. * To remove any labels starting with info_ from scraped metrics, you could write a metric relabeling rule like this: action: labeldrop. Sample config below For example, if some labels lead to high cardinality or high churn rate issues, then it may be a good idea to drop these labels during scrapes. One improvement could be to force the metric you are joining to not affect yours by doing something like this (addition of a metric forced to be 0): I have a fresh prometheus installed and I'm trying to drop the id label, but it's not totally working. The Prometheus Node Exporter exposes a wide variety of hardware- and kernel-related metrics. Feb 8, 2024 · Relabelling allows users to modify or filter labels associated with scraped metrics before they are stored in the time-series database. Memory usage. Mar 9, 2016 · Life of a Label. The most common use of prometheus. It is now a standalone open source project and maintained independently of any company. There's usually also the exact utilities to make it easy to time things as there are for summarys. This guide describes several techniques you can use to reduce your Prometheus metrics usage on Grafana Cloud. Using honor_labels is expected if you are scraping from a prometheus server. It is possible to overcome with this inefficient regex selector: {__name__=~". label_replace: This function allows you to replace or modify labels of a time series. , a time series in Prometheus is defined by a combination of a metric name and a particular set of key-value labels. We're going to add a replacement with a regex that always match without For example, a setup might consist of many per-datacenter Prometheus servers that collect data in high detail (instance-level drill-down), and a set of global Prometheus servers which collect and store only aggregated data (job-level drill-down) from those local servers. io/path and prometheus. For you the code may like this: - job_name: 'development'. How labels propagate can be a bit tricky to get your Mar 19, 2024 · The annotation prometheus. May 12, 2022 · In the prometheus world, generally the prometheus server adds the job and instance labels to its targets. Discover Services and Endpoints in your cluster that match those ServiceMonitors. io/port indicate the path and port that the metrics are hosted at on the pod. yml or to static configs? Please add working example to docs. Time Series: Each unique combination of a metric and its labels represents a separate time series. And the way you query for a missing label is by checking for equality with the empty string. Example - labelkeep: - action: labelkeep regex: wanted_label_. add more target option to separate instance and add labels. Base units. scrape_configs: - job_name: 'kubernetes-pods' relabel_configs: - source_labels: [__meta_kubernetes_namespace] action: drop regex: <namespace_name> – Apr 14, 2018 · 85. But not sure how to use it. 1. Feb 18, 2022 · The funday_monday is an example that changed because I wanted to know if static relabels are possible (it works!) - before it looked like this: - source_labels: [node] regex: (. metrics_path: '/metrics'. This provides an aggregate global view and detailed local views. Dec 12, 2018 · Saved searches Use saved searches to filter your results more quickly Jul 13, 2020 · In Prometheus, there's label currying. windows component embeds windows_exporter which exposes a wide variety of hardware and OS metrics for Windows-based systems. ) In both relabel_configs and metric_relabel_configs some real-world examples would go a long way. The result of an expression can either be shown as a graph, viewed as tabular data in Prometheus's expression browser, or consumed by external systems via the HTTP API. If you're curious "what's the point of The sample value is set to 1 as long as the alert is in the indicated active (pending or firing) state, and the series is marked stale when this is no longer the case. Note on the "Instant" setting: This setting switches from a Jun 3, 2021 · Prometheus doesn't drop labels for discovered targets on its own. kube versionServer Version: version. As stated in the doc, labelkeep works on all label names. regex: 'exported_namespace'. Gauge: A gauge metric can increase or decrease. Prometheus doesn't provide the ability for conditional label removal via action: labeldrop. For ex: Apr 3, 2017 · Prometheus needs to know what to scrape, and that's where service discovery and relabel_configs come in. Using honor_labels is not the default use case. Thanos Ruler instances with the ThanosRuler custom resource definition. I work on a Prometheus-like monitoring solution - VictoriaMetrics, which provides some improvements over Prometheus relabeling. The windows_exporter itself comprises various collectors, which you can enable and disable as needed. Where they differ is their handling of quantiles. 2: Configure the Telegraf input plugin. Channel. Identifying the unnecessary metrics at source, deleting the existing unneeded metrics from your TSDB regularly will keep your Prometheus storage & performance intact. Metric and label naming. # The PromQL expression to evaluate. I can persist them selectively with something like this: metric_relabel_configs: - source_labels: [__name__] regex: (?i)(metric1|metric2|metric3) action: keep However I want to drop all of the other, non-matching metrics. You configure prometheus using a yaml file with configuration options. When querying the DNS-SRV records, a label named __meta_dns_name is attached to each target. replacement: "backend-team". Mar 22, 2021 · So I have 2 metrics, I need to get label values from first metric and then query over 2nd metric, where {param="label_values_from_1st_metric"}. If for some reason it is mandatory to use one of these labels, you can perform relabeling at the metric_relabel_configs: metric_relabel_configs: # copy exported_instance value to label Feb 10, 2023 · There is an option to push metrics to Prometheus using Pushgateway for use cases where Prometheus cannot Scrape the metrics. ConsumerEndpointFactoryBean. Mar 10, 2023 · How to use label_replace: Lets take a look at a naive example query just to understand the concept. You signed in with another tab or window. Exactly. servicemonitors discovers ServiceMonitor resources in your kubernetes cluster and scrapes the targets they reference. Mar 7, 2022 · In other words, exported_instance is the instance label in your exporter. Labels. Go to the expression browser on Prometheus (that's the /graph endpoint) and evaluate topk(20, count by (__name__, job)({__name__=~". I tried this way, but the id is still the highest. I have the same question before. Filtering is done with the comparison operators, for example x > 0. (starting with capital). Click the Grafana Logo to get the side toolbar, and then click “+” followed by “Dashboard”: Sep 30, 2019 · Like summary metrics, histogram metrics are used to track the size of events, usually how long they take, via their observe method. For example, the following rule drops only exported_namespace="test" label: - if: '{exported_namespace="test"}' regex: exported_namespace action: labeldrop Prometheus is configured via command-line flags and a configuration file. Package prometheus is the core instrumentation package. (In fact, relabel_configs doesn't even have a paragraph. 1:9100' ] May 6, 2019 · This should work (replacing up with the metric you mention):. 3. 1. I also found there is targetLabels. naming conventions, differently. ), the configuration file defines everything related to scraping jobs and their instances, as well as which rule files to load Mar 27, 2020 · Prometheus label_replace will really “add” the new label name. Thanks! Follow this step by step guide to get 'logs' from your system to Logit. Monitoring Linux host metrics with the Node Exporter. Jan 22, 2019 · Here are some examples of a Prometheus Grafana dashboard. This can be done with action: labeldrop or action: labelkeep relabeling rules at metric_relabel_configs section: action: labeldrop drops labels with names matching the given regex option Enable Prometheus's dimensional data model to identify any given combination of labels for the same metric name. Here are the main label functions in Prometheus: 1. May 1, 2018 · I am trying to drop all but a few whitelisted metrics in prometheus. Metric names. In this article we’ll look at both identifying Sep 14, 2022 · 9. The annotations prometheus. Individual organizations may want to approach some of these practices, e. Every such time series is stored separately on the Prometheus node in the form of an Mar 20, 2018 · What did you do? I have set relabel for redis exporter which have extra: addr and alias which I want to remove but with relabel configuration metric stay as it is: relabel_configs: - action: labeld May 27, 2020 · Relabelings refer to the labels that a target ends up having, this happens when Prometheus discovers your targets (so we often refer to this as “at discovery time”). The annotations for a pod that is hosting metrics at <pod IP>:8080/metrics would be: YAML. regex: info_. Would you like to explain where I should insert metric_relabel_config? to prometheus. Before applying these techniques, ensure that you’re deduplicating any samples sent from high-availability Prometheus clusters. This will cut your active series count in half. (starting with a small letter). Sub-packages allow to expose the registered metrics via HTTP (package promhttp) or push them to a Pushgateway (package push). Prometheus labels allow you to model your application deployment in the manner best suited to your organisation. Go to the "Visualization" tab: Choose the value "Name" under "Value - Stat". 4 days ago · Overview. Copy. vmagent is a tiny agent which helps you collect metrics from various sources, relabel and filter the collected metrics and store them in VictoriaMetrics or any other storage systems via Prometheus remote_write protocol or via VictoriaMetrics remote_write protocol. metric_relabel_configs says "One use for this is to blacklist In Prometheus terms, an endpoint you can scrape is called an instance, usually corresponding to a single process. *" This removes any labels starting with temporary_ or debug_. # time series with the metric name as given by 'record'. They track the number of observations and the sum of the observed values, allowing you to calculate the average of the observed values. Nov 6, 2023 · The labeldrop and labelkeep actions allow you to remove or keep labels selectively. It looks as if this is actually a question about usage and not development. +", job!="prometheus"}. e __name__=prometheus_http_request_duration_seconds_bucket Relabel Prometheus metrics to reduce usage. Dec 10, 2021 · {job!="prometheus"} isn't a valid query. The best way around this is to avoid using any of the special labels in the exporter. But you can use the following workaround for removal of url_rule label from metrics with names starting from test_: - source_labels: [__name__, url_rule] Jul 24, 2021 · I. Jan 25, 2017 · Prometheus 1. Available metrics for the example. exporter. 2. Nov 16, 2020 · source_labels: [labeldrop] should be action: labeldrop. This relabeling step happens after Prometheus has retrieved data from an exporter, but before data is actually saved into the database. A time series is identified by Querying Prometheus. Metric Endpoint: The systems that you want to monitor using Prometheus should expose the metrics on an /metrics endpoint. Side note 2: Values are always floating-point numbers; timestamps are integers storing the number of milliseconds since the Unix epoch. io/scrape: "true" is required for the pod to be scraped. Jun 17, 2020 · Label replace over a range vector in Prometheus 1 Is it a good solution to use "label_replace" in a prometheus query when doing math operations on two metrics with different labels for the same value Basics. Here's an example: metric_relabel_configs: - source_labels: [__name__] regex: my_useless_metric. Labels are what make Prometheus data a multi-dimensional time series data model. This will return the 20 biggest time series by metric name and job, which one is the problem should be obvious. Note that the number of observations (showing up in Prometheus as a time series Nov 10, 2022 · can I use relabel: labeldrop to delete label:pod,instance,and the metrics bcome to: request_total{code=“200”} 11 finally? stuart November 10, 2022, 12:01pm Sep 28, 2018 · Pblm: The service monitor is displayed in the service discovery, Not in the target, The reason is prometheus is unable to connect the target. It provides metrics primitives to instrument code for monitoring. Source and Statistics 101. Update: if you use vmagent, then you can use if filter for dropping label with the particular value. Must be a valid metric name. ; source_labels: we're utilizing the label __name__ to get the desired metric, since this itself is a label which has value of metric name. The metric and label conventions presented in this document are not required for using Prometheus, but can serve as both a style-guide and a collection of best practices. For example, an API server job with four replicated instances: job: api-server. While the command-line flags configure immutable system parameters (such as storage locations, amount of data to keep on disk and in memory, etc. +"})). It also offers a registry for metrics. Deployed within the Prometheus pod, it can hook into the Thanos querying system as well as optionally back up your data to object storage. g. As per the documentation in github, the mentioned fields provide the below information. Oct 11, 2017 · 25. Julian look at my example above, the matcher is matching against __name__ rather than metrica. Once we have the right metric coordinates captured, it’s time to create our first Prometheus Grafana dashboard. *)' target_label: '### use extracted regex group The syntax for recording rules is: # The name of the time series to output to. 7: Telegraf Prometheus metrics Overview. Prometheus Operator can manage: the Thanos sidecar component with the Prometheus custom resource definition. Oct 10, 2023 · One prometheus instance can scrape metrics from web-frontend and product-service while another prometheus instance could scrape metrics from inventory service and cart-service. 2. I have some memory issues and wanted to reduce the consumption. - source_labels: [container_label_com_amazonaws_ecs_task_arn] Jun 1, 2015 · Prometheus 0. One such example is collecting custom metrics from short-lived kubernetes jobs & Cronjobs. For more information on collectors, refer to the collectors-list section. Problem might be related to that English is not my native language, and I don't understand curry from the function name. 5: View your metrics. In order to remove prometheus_replica and prometheus labels from all metrics , you need to set the fields replicaExternalLabelName and prometheusExternalLabelName to empty strings in the Prometheus cluster accordingly. channel. The perfect solution seems to be something like this: relabel_configs: - source_labels: - '__meta_ec2_tag_ (. scrape_interval: 15s. However, it does not work as expected. May 16, 2022 · prometheus scrape config. This action is applied unconditionally to every label of every metric. Example: - action: labeldrop regex: "(temporary|debug)_. Now that you know the name of the metric Apr 1, 2022 · metric_relabel_configs: metric relabeling process starts once the metrics is scraped. TargetLabels transfers labels on the Kubernetes Service onto the target. *) targetLabel: teamname. I also read there is whitelisting labels possible in service monitor. Here is my solution: use job_name as the group label. Is there any straightforward way to do this? Aug 25, 2021 · in my example, I have 4 cases where I would like to "skip" the ending, when the end of the label value is:. Here's an example of the exposition format from Prometheus itself Aug 3, 2023 · In Prometheus, to be able to add a label to the metrics retrieved by a particular job we can use relabel_configs. Subsequently, remote write encountered exceptions, and samples could no longer be sent from the Prometheus Agent to the Prometheus Server. Sending alert notifications. Checks : Check the service monitor label matches the service. For example, the following VictoriaMetrics-specific relabeling rule is equivalent to the rule above, but it looks more clear: Jul 20, 2017 · Jul 20, 2017. label_values(up{service=~"abc. Learn Prometheus in the most effective way with online trainings by PromLabs. This is usually the endpoint and port where metrics are: e. As directly supporting every potential configurations would be impossible, we offer relabelling to give you the flexibility to configure things how you'd like. Mar 9, 2020 · I'm mostly concerned about the tags - every instance contains a lot of them and I would love to gather them all using one simple configuration entry with the usage of regular expression. It takes four arguments: the input vector, the target label name, a regular expression to match the source label value, and a replacement string. Another layer is Feb 6, 2020 · 15. operator. The service selector matches the pod labels. This was an epiphany I had when searching for how to dig substrings out the __meta_* label names as returned from service discovery (hint, use action: labelmap) Relabel configs are composed of Sep 16, 2015 · Firstly you need to find which metric is the problem. Enter the label name as the legend using the {{[LABEL]}} notation (here {{app_state}} ). i. How to JOIN two different Prometheus metrics by label with PromQL. . To limit which metrics with these labels are affected, you must include some value for regex. # evaluated at the current time, and the result recorded as a new set of. The label_replace() copies the label_a value to label_b for all the series returned at step 2. 14. Most users report ~25% increased memory usage, but that number is dependent on the shape of the data. See docs for count () aggregate function. 0 introduced labeldrop relabeling action. It identifies a particular dimensional instantiation of that metric (for example: all HTTP requests that used the method POST to the /api/tracks handler). * and it will include all metrics. answered Apr 8, 2022 at 12:18. See Quick Start for details. *xyz"}, service) Or, in case you actually need to look across multiple metrics (assuming that for some reason some metrics have some service label values and other metrics have other values): May 3, 2023 · 1. Let’s say we use the excellent “node-exporter” project to monitor our servers. Using remote write increases the memory footprint of Prometheus. By default this value is set to . So, if you see that the target contains unexpected labels or doesn't contain expected labels or the target is completely dropped, then the first thing to do is to look at relabel_configs section for the particular target. Some example methods are like CurryWith(). 4:5670 Jul 8, 2022 · Labelkeep matches against all label names. 4: Start Telegraf. A collection of instances with the same purpose, a process replicated for scalability or reliability for example, is called a job. operations is a list of operations that were applied to the metric, newest operation Dec 14, 2021 · What you actually need to use is metric_relabel_configs. The query language allows filtering and aggregation based on these dimensions. prometheus. The count(is_active) by (label_b) counts is_active series grouped by label_b. So if you want to say scrape this type of machine but not that one, use relabel_configs. On the mailing list, more people are available to potentially respond to your question, and the Jun 28, 2020 · avg(upload_latency) by (device_id) See docs about aggregate functions in PromQL and docs about avg (). Relabel configs allow you to select which targets you want scraped, and what the target labels will be. Metric relabeling is as you noted correctly done after the target’s labels have The following binary arithmetic operators exist in Prometheus: + (addition) - (subtraction) * (multiplication) / (division) % (modulo) ^ (power/exponentiation) Binary arithmetic operators are defined between scalar/scalar, vector/scalar, and vector/vector value pairs. +",container=""} There needs to be at least one non-empty matcher (hence the + in the __name__ regular expression, * wouldn't cut it). Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community. action: drop. You switched accounts on another tab or window. This post explains how you can use Prometheus relabeling configuration to manipulate metrics to keep your storage clean and not pollute it with unnecessary data. The Prometheus Server was unable to retrieve any data. It makes more sense to ask questions like this on the prometheus-users mailing list rather than in a GitHub issue. Example of Scrape Configuration: scrape_configs: - job_name: 'prometheus'. Jun 27, 2017 · 15. Query Functions: rate - The rate function calculates at what rate the counter increases per second over a given time window. src. metric_relabel_configs by contrast are applied Aug 28, 2019 · Prometheus relabel configs are notoriously badly documented, so here’s how to do something simple that I couldn’t find documented anywhere: How to add a label to all metrics coming from a specific scrape target. scrape_timeout: 10s. The configured rules can be retrieved by calling the function in the rules This tells Prometheus that you want to do some action against metrics with these labels. Histogram: A histogram metric can increase or descrease. Create a Prometheus Grafana Dashboard. The container port number should match the port number in the service. action: replace. expr: <string>. Mar 2, 2023 · To collect metrics about any service, you will need to configure prometheus with scrape targets. The following config results in dropping all time series containing that label container_label_com_amazonaws_ecs_task_arn instead of just a single label: metric_relabel_configs. instance 1: 1. It follows the provided target relabeling rules at relabel_configs section. The reason for that is, the main label __name__ will be generated post scraping. Reload to refresh your session. Use cases: Drop unnecessary May 16, 2022 · For example, both exported_namespace="test" and exported_namespace="foo" will be dropped. Info{Major:"1", Minor Count and sum of observations. The prometheus exporter is the prom Dec 11, 2020 · Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. In this case, it will drop all metric data points coming out of Prometheus via remote write. This can be done in prometheus configuration file using labeldrop or labelkeep options. This component performs three main functions: Discover ServiceMonitor resources from your Kubernetes cluster. Aug 16, 2022 · P. These improvements can simplify some relabeling tasks as this one. The rule blocks are applied to the label set of each metric in order of their appearance in the configuration file. Relabelling in prometheus. 3: Configure the output plugin. io: 1: Install Telegraf. At first, everything was normal, but one day both the Prometheus Agent and the Prometheus Server started logging errors simultaneously. It would be better to replace it with another selector if possible (like {job="foo"}, for example). Histograms and summaries both sample observations, typically request durations or response sizes. Prometheus's alerting rules are good at figuring what is broken right now, but they are not a fully-fledged notification solution. Jul 11, 2018 · Try this: {__name__=~". level represents the aggregation level and labels of the rule output. Between two scalars, the behavior is obvious: they evaluate to another scalar For example, a label method="GET" could be attached to the http_requests_total metric to track the number of GET requests specifically. --. handler. For each series in the WAL, the remote write code caches a mapping of series ID to label values, causing large amounts of series churn to significantly increase Aug 19, 2017 · If prometheus starts, of course. Additional notes: non-essential labels can be removed from time series during querying with label_keep and label_del functions when using Prometheus-compatible query engine such as VictoriaMetrics. Dec 3, 2022 · What did you do? use kubernetes_sd_configs discovery endpoint and node, labeldrop action not remove all regexp match labels. Not only name. static_configs: - targets: [ '192. You could also aggregate the metric in the Jul 22, 2016 · Go to the "Queries" tab: Enter the name (here db2_prometheus_adapter_info) of the metric. relabel is to filter Prometheus metrics or standardize the label set that is passed to one or more downstream receivers. In both functions, if the defined target label is a new one Feb 24, 2021 · I Am trying to exclude namespace from being scraped by prometheus by using below config. (At least it is accurate, as far as I can tell. It gives the following error: parse error: vector selector must contain at least one non-empty matcher. I have the metric below and I want to drop the label "exported_namespace=“test” and I am using the prometheus relabel_config but I’m not sure if the config will work properly: "kube_pod_status_ready {condition="false", e…. 0 allows you to specify multiple SRV records to be queried in a single scrape configuration, and also provides service-discovery-specific meta information that is helpful during the relabeling phase. record: <string>. In this guide, you will: Start up a Node Exporter on localhost. Apply label filtering to reduce number of unique label combinations for each metric. Today I want to talk about learning about the action parameter in the relabel_config and metric_relabel_config elements in Prometheus. In order to apply the label to any metrics scraped using a particular job we'll have to add a match for something that always exists, such as __address__. But the metrcis still appears in prometheus. label_join () and label_replace () These functions are used to manipulate labels—they allow you to join labels to other ones, extract parts of label values, and even drop labels (though that particular operation is easier and more ergonomic to do with standard aggregation operators). Deploy configuration in prometheus configuration file. What's the meaning of it? Sorry I didn't find any documentation for this. Aug 14, 2019 · By example: max (kafka_lag) by Rationale behind Prometheus Labeldrop Action. label_join: With this function, you can concatenate label Apr 1, 2022 · Keeping your Prometheus optimized can be a tedious task over time, but it’s essential in order to maintain the stability of it and also to keep the cardinality under control. For example, consider a metric named items_in_queue, with a label queue_name. The prometheus. Example scrape_configs: # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config. The source_labels is ignored. Nov 8, 2021 · It works in the following way: The count(is_up) by (label_a) counts is_up series grouped by label_a. Every evaluation cycle this is. Start up a Prometheus instance on localhost that's configured to scrape metrics from the running Node Exporter. Targets are scraped and all target labels are added to the metrics scraped from that target. 168. In examples provided for Prometheus you can often see the next limitation: container_name!="POD", since it's useful to request resource usage just for necessary containers that currently work, without information for pause containers. Feb 21, 2020 · TLDR: questions answered in this article. It will preserve the old label name as well… So, that could be a problem, it’s not a true “replace in place”. 6: How to diagnose no data in Stack. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. metric is the metric name and should be unchanged other than stripping _total off counters when using rate() or irate(). The avg_over_time function expects a range vector, which means that you could (if I understood correctly) use subquery like: avg_over_time(K_utilization[1h:5m]) This will look at the K_utilization metric for the last 1h at a 5m resolution, the result should contain all labels from the metric. Yes, and I can find ways to reference the value of a label in place of x in the example, but I have not been able to figure out how to reference the value of the metric itself. Activate the "instant" option. myservice:9000. e. Feb 27, 2019 · Possible duplicate of How can I 'join' two metrics in a Prometheus query?. tc og yp vp hb ks cl jh be hw