Prometheus labels. Please help improve it by filing issues or pull requests. Every library, subsystem and service should have at least a few metrics to give you a rough idea of how it is performing. instance: The <host>:<port> part of the target's URL that was scraped. Dropping a label can result in duplicate series, which will be dropped by Prometheus. See docs for count () aggregate function. You can configure Docker as a Prometheus target. Dynamically add targets to a Prometheus Prometheus supports templating in the annotations and labels of alerts, as well as in served console pages. We will look at how to use labels to organize and query metrics, as well as how to use labels to create alerts. This metric will contain the seal reference and the sealID, checkID, and any other label it appropriately maps onto. 3. This means that the total number of active time series collected from 50 hosts jumps to 50*1M=50M For example, this expression returns the unused memory in MiB for every instance (on a fictional cluster scheduler exposing these metrics about the instances it runs): (instance_memory_limit_bytes - instance_memory_usage_bytes) / 1024 / 1024. Sep 23, 2017 · This is still pretty low number of active time series for Prometheus. label_replace(. methods can then be called on the Child. In the first example, you can safely drop the ip label as the remaining series are unique. An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach. The value of the job label comes from the scrape configuration. yaml, I changed this: expr: kube_pod_status_phase{phase="Failed"} > 0 to this: Prometheus instrumentation library for Python applications - prometheus/client_python Fix references to integer le, quantile label values, but otherwise do nothing and accept that some queries that span the transition time will produce inaccurate or unexpected results. What this means is the label names are constant but the values are different. In this chapter you will learn what labels are, where they …. Labels are what make Prometheus strong. Jan 16, 2018 · Prometheus create label from metric label. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or OpsGenie. In this case the query will sum up these time series. 0. i. Thanks for the answer, count seems good but when I count by no I can't acces the type, I want to group by no and also acces type label values. 0 is expected to enforce normalization of these label values. It provides metrics primitives to instrument code for monitoring. Feb 23, 2023 · Display metric labels in a table. +" my_metric{label="a"} 1 my_metric{label="b"} 6 my_metric{label="total"} 7. For your example query will look like this. answered Jul 5, 2020 at 17:20. The URL under which Prometheus is externally Nov 8, 2021 · It works in the following way: The count(is_up) by (label_a) counts is_up series grouped by label_a. Prometheus can read (back) sample data from a remote URL in a standardized format. e __name__=prometheus_http_request_duration_seconds_bucket Dec 4, 2017 · Unfortunately, it is not possible to change the labels on old metrics in Prometheus. . How to deal with "prometheus" and "prometheus_replica" labels? 1. 1. 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. Using labels, one can group and aggregate measurements afterwards. label_value can be any sequence of UTF-8 characters, but the backslash (\), double-quote ("), and line feed () characters have to be escaped as \\, \", and , respectively. g. operations is a list of operations that were applied to the metric, newest operation You signed in with another tab or window. Current). Jul 1, 2022 · How to replace a label in a prometheus re-label step? 1. static_configs: - targets: [ '192. When Prometheus scrapes a target, it attaches some labels automatically to the scraped time series which serve to identify the scraped target: job: The configured job name that the target belongs to. It takes four arguments: the input vector, the target label name, a regular expression to match the source label value, and a replacement string. Enter any Prometheus expression into the "Query" field, while using the "Metric" field to lookup metrics via autocompletion. The storage is only updated by new scrapes and then it becomes immutable. This displays dashboards for Grafana and Prometheus. Histograms and summaries both sample observations, typically request durations or response sizes. 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 Jun 15, 2021 · How to add labels to Prometheus Summary metric in Java. metrics information is stored with the timestamp at which it was recorded, alongside optional key-value pairs called labels. Must be a valid metric name. # The PromQL expression to evaluate. We also bundle a dashboard within Grafana so you can start viewing your metrics faster. 98. Jan 28, 2020 · 1. Dec 1, 2022 · In this article, we will discuss 10 best practices for using labels in Prometheus. For example, the following relabeling rule drops all the label names starting with foo: - action: labeldrop regex: "foo. Prometheus can receive samples from other Prometheus servers in a standardized format. Also Prometheus 3. Apr 14, 2018 · 85. The rule blocks are applied to the label set of each metric in order of their appearance in the configuration file. The available metrics and the names of those metrics are in active development and may change at any time. Maximum number of simultaneous connections. Instead of hard-coding details such as server, application, and sensor names in metric queries, you can use variables. Templates have the ability to run queries against the local database, iterate over data, use conditionals, format data, etc. A UTF-8 string, which may be enclosed in double quotes. Ties are resolved by rounding up. Aug 4, 2021 · How to join Prometheus metrics by label with PromQL; Bringing it all together. For more elaborate overviews of Prometheus, see the resources linked from the media section. Maximum duration before timing out read of the request, and closing idle connections. Nov 18, 2019 · This query will remove instance and pod labels from the result. Apr 26, 2019 · 5. Try this way: global: scrape_interval: 15s # Scrape targets every 15 seconds. expr: <string>. Note that the query won't work as expected if there are multiple kube_deployment_spec_replicas time series with identical (instance, pod) set of labels. See examples below. # Attach the label monitor=dev-monitor to all scraped time series scraped by this server. Prometheus's main features are: Prometheus offers a set of API endpoints to query metadata about series and their labels. 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 value. ) and you'll see the labels available. dwh: critical. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts when specified conditions are observed. p. ”. observe() etc. Some client libraries, for example Go, will actively try to stop you doing Overview. route: Sep 20, 2023 · 0. e. It also takes care of silencing and inhibition of alerts. (sum by (pod_name) (rate (container_cpu_usage_seconds_total [5m]))) This query calculates the Apr 1, 2021 · Thankfully, Prometheus makes it really easy for you to define alerting rules using PromQL, so you know when things are going north, south, or in no direction at all. jksdjkfs-2f16-11e7-3454-005056bf2fbf. The label_replace() copies the label_a value to label_b for all the series returned at step 2. Nov 2, 2022 · 1. The most common use of prometheus. Feb 27, 2019 · I have a fleet of EC2 instances and want to relabel their prometheus names to be like: ${__meta_ec2_tag_Name}:${__meta_ec2_private_ip} so my relabeled name will look like portal-service:10. Current . For example, the following query extracts the project. May 30, 2022 · This is a quick demonstration on how to use prometheus relabel configs, when you have scenarios for when example, you want to use a part of your hostname and assign it to a prometheus label. However, you have to use labels Apr 13, 2021 · Prometheus create label from metric label. I currently have the following Promql query which allow me to query the memory used by each of my K8S pods: The pod's name is followed by a hash defined by K8S: Which all belongs to the same app: weave-net. Then you'll get all the labels that are available on metric_name metric. There is also a sub-package promauto, which provides metric_name and label_name carry the usual Prometheus expression language restrictions. If you do: metric_name. 2. Example scrape_configs: # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config. The function panics otherwise. replica: A and replica: B. These optimizations are not shipped in the default binaries and require compiling Prometheus using the Go tag stringlabels. Do not use labels to store dimensions with high cardinality (many different label values), such as user IDs, email addresses, or other unbounded sets Jul 11, 2018 · Try this: {__name__=~". record: <string>. You won’t have access to do this on Play, but you could follow along on your instance of Grafana. In our configuration, this label is called label_example_com_ci_monitoring. Pankaj Saini. High cardinality occurs when there are too many unique combinations of labels and values Oct 25, 2018 · Kube-state-metrics gets these from K8 API. Creating prometheus metrics with variable label names. or this: my_metric{label="a"} 1 my_metric{label="b"} 6 my_metric{} 7. 168. Simple alert field templates That last part takes the label prometheus-job of the task and turns it into a target label, overwriting the default dockerswarm job label that comes from the scrape config. As an example (but not only), this allows read multi-tenancy for projects like Prometheus, Alertmanager or Thanos. To format the legend names of time series, use the "Legend format" input. Sep 17, 2021 · Custom last_request_received_time with dynamic labels Now say we want to categorize this based on HTTP headers(Eg userId, Operation type). 31. Jun 27, 2017 · 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. 1. s. Labels can cause some issues for Prometheus, such as high cardinality, label conflicts, and label misuse. Then under the transform section select "Organize fields" and have it display only the instance and version. 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. For some metrics like kube_pod_container_resource_requests_cpu_cores or kube_pod_info my labels Removing HA replica labels from alerts. 5. Oct 19, 2020 · 1. Remember to use continue: true for the pipeline to continue matching if you want the alert to reach multiple receivers. Prometheus creates and sends alerts to the Alertmanager which then sends notifications out to different receivers based on their labels. 0. Sub-packages allow to expose the registered metrics via HTTP (package promhttp) or push them to a Pushgateway (package push). Marcelo Ávila de Oliveira. Apr 1, 2022 · The reason for that is, the main label __name__ will be generated post scraping. round(v instant-vector, to_nearest=1 scalar) rounds the sample values of all elements in v to the nearest integer. Nov 14, 2018 · 6. The first thing I’ll do is go to the Dashboards area of Grafana and create a new dashboard. Prometheus query to count unique labels over a timeframe. In this guide, you learned how the multi-target exporter pattern works, how to run a blackbox exporter with a customised module, and to configure Prometheus using relabeling to scrape metrics with prober labels. These are not mandatory. Labels are the new hierarchies, yet more powerful and flexible. I have tested this with a similar query of: sum by (instance,version) (windows_os_info) Then creating a table with the following options: Query options. The configured rules can be retrieved by calling the function in the rules Mar 27, 2020 · Prometheus label_replace will really “add” the new label name. naming conventions, differently. Use metric's value as a value of another metric's label. Summary. Prometheus collects and stores its metrics as time series data, i. relabel is to filter Prometheus metrics or standardize the label set that is passed to one or more downstream receivers. Dec 22, 2017 · Labels in Prometheus are arbitrary and as such, they can be much more powerful than just which service/instance exposed a metric. Prometheus's main features are: Nov 5, 2020 · Sometimes it is needed to remove certain labels before storing metrics in Prometheus or VictoriaMetrics. 4 days ago · InstrumentHandlerCounter is a middleware that wraps the provided http. add more target option to separate instance and add labels. 2018. Using a standard prometheus config to scrape two targets: ip-192-168-64-29. 19. How to rename label within a metric in Prometheus. Determining what and when you should be alerted can be a practiced combination of understanding your systems’ KPIs and relying on your own experience and instinct. Individual organizations may want to approach some of these practices, e. Every evaluation cycle this is. Relabeling in Prometheus. 4 days ago · Package prometheus is the core instrumentation package. Mar 21, 2023 · The stringlabels release is a Prometheus 2. You can repurpose the tooling that generates the 18,000 rule groups to instead generate a Prometheus metrics file that contains the metric sli_info. In addition, there’s also a set of extra labels that are available independently from the target. 03. Aug 28, 2020 · then you will only have label_foo available. This documentation is open-source. Features. For it to change value of the label you need to pass same name into destination and target labels. - Selection from Prometheus: Up & Running [Book] Prometheus template variables. 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. multipass:9100 Mar 16, 2021 · kube-state-metrics exposes Kuberntes roles and labels via special metrics (kube_node_labels, kube_node_role, kube_pod_labels, etc) As a result, when we need to query information from a subset of nodes that that belongs role or label, we need to join the corresponding metrics with kube_node_labels on the client side (if the client side supports The Alertmanager handles alerts sent by client applications such as the Prometheus server. 6. In December 2023, prometheus v2. Then you can route each label to different receivers. You signed out in another tab or window. Jun 1, 2015 · Prometheus 0. Recording rules should be of the general form level:metric:operations. Prometheus Relabling. 43 version that uses a new data structure for labels. Push-based Prometheus Applications pushing metrics to Prometheus Remote Write compatible receivers was not a design goal of this system, and should be explored in a separate doc. What I would like is to aggregate the memory of all pods which belongs to the same app. Here are the main label functions in Prometheus: 1. The former breaks for people who do a sum() over your metric, and the latter breaks sum and is quite difficult to work with. Remember Instrument first, ask questions later, provide much context as possible. Chapter 5. Oct 29, 2020 · We add labels to Prometheus alerts that are sent from AlertManager to Tivoli side and we make sure that alert queries that are relevant for applications always include that label. 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. Share. 11 value stored in the index label and . I actually have 3 GCP kubernetes clusters with prometheus operator installed on each of them. level represents the aggregation level and labels of the rule output. If using OpenTelemetry tracing with ASP. Under Data source, I’ll choose the The short answer is to instrument everything. Prometheus stores the scrape target address in the instance label - see these docs. It sounds like you may be best using a table for this. You can scrape the multiple targets in prometheus. Instrumentation should be an integral part of your code. Varying labels in Prometheus. Apr 18, 2018 · The reason is that the target labels are determined by service discovery and relabelling, before Prometheus ever attempts to talk to a scrape target. Apr 10, 2017 · 【Prometheus Tokyo Meetup #1】 Prometheus は立てるのは簡単ですが、しっかり使おうとすると Label を適切に設定できるようになる必要があります。 Label について自分で調べたときにはあまりドキュメントが整理されておらず、適切な理解に到るまでにずいぶん時間を使ってしまったので、今後 prometheus Mar 8, 2018 · Prometheus documentation states: CAUTION: Remember that every unique combination of key-value label pairs represents a new time series, which can dramatically increase the amount of data stored. The optional to_nearest argument allows specifying the nearest multiple to which the sample values should be rounded. Mar 11, 2018 · It is possible to use label_replace() function in order to extract the needed parts of the label into a separate label and then group by this label when summing the results. 8. Warning. One of =, !=, =~, or !~. = means equals, != means that the strings are not equal, =~ is used for equality of regex expressions and !~ is used for un-equality of regex expressions. sample-y from project. It will preserve the old label name as well… So, that could be a problem, it’s not a true “replace in place”. Just execute your alerting query directly in prometheus (making sure query does return something - remove any threshold etc. label_join: With this function, you can concatenate label O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers. Automatically generated labels and time series. Count and sum of observations. Here is my solution: use job_name as the group label. How to collect the Prometheus metrics in a java program? 10. The following describes the core concepts the Alertmanager Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. inc() / . It stores all the label/values in a single string, resulting in a smaller heap size and some speedups in most cases. In very special cases, however, where the new label perfectly correlates with a specific set of existing label values, it is possible to add additional labels without increasing cardinality and while keeping Prometheus happy. For those, the only allowed label names are "code" and "method". You switched accounts on another tab or window. Jul 6, 2020 · I would go with the first one; order_count{customer=customer_name} One way of looking at this could be - It is a more scalable approach as let's say in future you wish to add more labels say "customerLocation" too; and you can use any combination of labels to group your data. Instantiate the metric classes in the same file you use them. They have the same meaning as known from PromQL selectors. When querying the DNS-SRV records, a label named __meta_dns_name is attached to each target. The features that distinguish Prometheus from other metrics and Jul 31, 2018 · Prometheus - Aggregate and relabel by regex. Prometheus configuration file path. Currently, you can only monitor Docker itself. Alin Sînpălean. This can be done with action: labeldrop. A valid Prometheus label name. Now suppose that the app, which exports the metric, runs on 50 hosts (or Kubernetes pods). So in my prometheus-rules. NOTE: These API endpoints may return metadata for series for which there is no sample within the selected time range, and/or for series whose samples have been marked as deleted via the deletion API endpoint. To import the bundled dashboard: Navigate to the data source’s configuration page. metric is the metric name and should be unchanged other than stripping _total off counters when using rate() or irate(). Address to listen on for UI, API, and telemetry. Oct 20, 2022 · For metrics with unused labels, it’s not quite as simple as dropping labels that aren’t used. Slice and dice using Labels. The general way to provide access to labeled dimension of a metric is via a labels() method that takes either a list of the label values or a map from label name to label value and returns a "Child". This is the recommended solution, to get consistently normalized label values. For example, to show only the method and status labels of a returned query result, separated by a dash, you could use the legend format string Collect Docker metrics with Prometheus. The Prometheus templating language is based on the Go templating system. For you the code may like this: - job_name: 'development'. Handler to observe the request result with the provided CounterVec. Prometheus is an open-source systems monitoring and alerting toolkit. MetricsQL - PromQL-like query language from Prometheus-like monitoring Collect Docker metrics with Prometheus. dec() / . The same expression, but summed by application, could be written like this: Labels are the new hierarchies. 49 finally added sort_by_label() and sort_by_label_desc() The Prometheus server will attach a job label and an instance label to each scraped metric. Continuing with the simple example of http_requests_total , services can be more descriptive on the requests that are being counted and expose things like the endpoint being used or the status code returned. scrape_timeout: 15s # Timeout after 15 seconds. Discovered labels The Prometheus Documentation contains the full list of labels, but here are other relabel configs that you might find useful. I will then create a new panel, and title it “Extract Prometheus Labels. You cannot have two labels with the same key. label_replace: This function allows you to replace or modify labels of a time series. The usual . Grafana refers to such variables as template variables. # time series with the metric name as given by 'record'. I have the same question before. We will also discuss how to use labels to create dashboards and visualize data. 14. [EXPERIMENTAL] Path to configuration file that can enable TLS or authentication. When running two identical Prometheus servers as a highly available (HA) pair, often both servers are configured to have an external label (via the global configuration option external_labels) that indicates which replica they represent, e. 21. My Objective: Expose those labels into Prometheus. +",container=""} There needs to be at least one non-empty matcher (hence the + in the __name__ regular expression, * wouldn't cut it). Reload to refresh your session. And the way you query for a missing label is by checking for equality with the empty string. I'm understand how to relabel a single label using regex, but don't know how to use a several source labels. This makes going from alert to console to code easy when By default, prometheus-net will create an exemplar with the trace_id and span_id labels based on the current distributed tracing context (Activity. value is a float represented as required by Go's ParseFloat() function. Grafana lists these variables in dropdown select boxes at the top of the dashboard to help you change the data displayed in your dashboard. The count(is_active) by (label_b) counts is_active series grouped by label_b. # evaluated at the current time, and the result recorded as a new set of. NET Core, the traceparent HTTP request header will be used to automatically assign Activity. Prometheus integrates with remote storage systems in three ways: Prometheus can write samples that it ingests to a remote URL in a standardized format. Note that the number of observations (showing up in Prometheus as a time series The syntax for recording rules is: # The name of the time series to output to. Share Grafana exposes metrics for Prometheus on the /metrics endpoint. A receiver can be one of many integrations including: Slack, PagerDuty, email, or a custom integration via the generic webhook interface. The CounterVec must have valid metric and label names and must have zero, one, or two non-const non-curried labels. If you want to count do the following: count by (no) (dbValues) If you want to sum do the following: sum by (no) (dbValues) answered Jan 28, 2020 at 14:38. It also offers a registry for metrics. Jun 12, 2020 · How do I configure prometheus (currently using the coreos operator if that matters), to keep only app=foo and drop the label baz, so that I end up with: some_metric{app="foo"} For what it's worth, here's what I currently have and the labels are showing up as is: - action: keep sourceLabels: ["app"] regex: "foo" - action: labeldrop regex: "baz" Mar 23, 2024 · Here, we will use function label_replace from Prometheus. 19. Instead you could add an additional label: labels: severity: critical. Mar 10, 2023 · How to use label_replace: Lets take a look at a naive example query just to understand the concept. My Solution: Using PromQL you can do group by. Labels Every series MAY include a "job" and/or "instance" label, as these are typically added by service discovery in the Sender. When you configure the Pushgateway as a scrape target for your Prometheus server, you will probably pick a job name like pushgateway . Select the Dashboards tab. The name of the label to drop must be specified as a regular expression in regex. To change values of the labels you can use same function as to renaming labels: label_replace. You could in principle have the scrape target attach it as a label on every sample, but that goes against the top-down strategy that Prometheus uses for configuration management. Instance labelling issue in Prometheus. Use cases: Drop unnecessary Oct 16, 2020 · According to this Issue, Grafana supports sorting by value when displaying legend. answered Jul 12, 2018 at 7:35. sample-y. Mar 27, 2022 · The nice thing about the role endpoints is that Prometheus provides different labels depending on the target: if it’s a pod, then the labels provided are those of the role pod, if it’s a service, then those of the role service. This multiple may also be a fraction. 3k 3 43 54. The prom-label-proxy can enforce a given label in a given PromQL query, in Prometheus API responses or in Alertmanager API requests. I'm trying to figure out how to add extra environment labels to all metrics in order to explicitly know from which cluster the metrics are coming from. When Prometheus scrapes from kube-state-metrics, it doesn't have those labels. Labels Labels are a key part of Prometheus, and one of the things that make it powerful. Use labels to add semantic information. The notifications sent to receivers are constructed via templates. 1:9100' ] Jul 11, 2023 · Specifically, you need to ensure that the cardinality of your label sets isn’t too high or you’ll overwhelm Prometheus. They track the number of observations and the sum of the observed values, allowing you to calculate the average of the observed values. multipass:9100; ip-192-168-64-30. Aug 22, 2021 · 新增数据源变量origin_prometheus，取自于Prometheus的外部系统标签：external_labels，可用于支持多个Prometheus接入VictoriaMetrics或Thanos等第三方存储使用remote_write方式的场景。(默认取值空，指标中无该标签不影响使用,如果有异常，建议更新prometheus到最新版后再试。 May 10, 2023 · How to change label values in Prometheus? 2. promql rename the result of vector() 8. wt rg gb tj tb ba wz uz yv iz