Promql add label from another metric. 0 PromQL: reuse group label in another metric.

Promql add label from another metric. PromQL relies heavily on Metric Labels for filtering. The value of ifDescr is always "1" so it's safe to multiply. 4k 2 36 43. label1 IN (SELECT label2 from metric2); Is this possible in PromQL? I have tried using the ON operator, but this doesn't seem to do what I intend. Is there a way to multiply Prometheus metrics, but persist label when one of the metrics misses a label? 0. For example, try obtaining any useful information from the graph on the method_timed_seconds_sum metric. ifIndex, instance and job will be used. This uses the Prometheus API to enable regex search for the metric name. if he metric has 2 labels mode and job and you want to preserve the job label while take the max among mode-s you could use: max(sys_cpu_host_seconds_total 4 days ago · For example, the aggregated result from Metric 1 is (3,2,1). The unless on (label_a) instructs returning series from step 1 Oct 25, 2018 · My Issue: My deployment and pods have certain labels defined (APP, TEAM). Side note 2: Values are always floating-point numbers; timestamps are integers storing the number of milliseconds since the Unix epoch. By default Prometheus performs the division for pairs of time series with identical sets of labels on the left and the right side of / operator. When Prometheus scrapes from kube-state-metrics, it doesn't have those labels. Sep 10, 2020 · The metric name; A set of (label, value) pairs; Another set of (label, value) pairs; And the result of ratio() will be the ratio of the number of events happened with the first set of (label,value) pairs to the number of events happened with the second Set of (label,value) pairs. Note that this is rather an odd kind of request. distance. If that were the structure of your metrics, then you would be able to aggregate (sum) values. Apr 6, 2024 · info2{b="2", d="4", addnlabel="XYZ"} The example is very generic but in our case label addnlabel value is going to be dynamic. io. +",container=""} There needs to be at least one non-empty matcher (hence the + in the __name__ regular expression, * wouldn't cut it). Sep 17, 2020 · I have a metric, mymetric, with label mylabel. metric is the metric name and should be unchanged other than stripping _total off counters when using rate() or irate(). In our case time series on the left side of / contain code and instance labels, while time series on the right side of / contain only instance label. 0 Prometheus / Grafana replace label in one metric with value from another. Prometheus doesn't allow comparing label value with metric value as said in this answer. Track the total exception count with a single application-wide metric and add metric labels to represent new areas of code. The data is available as Prometheus labels and comes from two different metrics (and have value I’m interested in) Is it possible to add a PromQL inside another one in Checkmk? We also would need to create services names that are part of the Jul 24, 2021 · I. g. * but not group by. e. operations is a list of operations that were applied to the metric, newest operation Sep 3, 2020 · 1. You will get a false positive if a disk_up metric pops up for some diskC, though. +)" Nov 10, 2023 · Here, I copy label label2 into label1, and then use it in unless to exclude all the metrics with matching label1. sqrt() Aug 11, 2021 · label_replace query function: 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. Feb 21, 2020 · How to JOIN two different Prometheus metrics by label with PromQL. https://hub. If you need subsituting multiple labels, then you need to write multiple nested label_replace() function calls. The result using. group_left is specifying what labels you want from the series ifDescr. 7 to distinguish a 7-geared Monark bicycle from a 2-geared Brompton bicycle (bicycle. My metric1 is http_request_duration_seconds_bucket and metric2 is http_request_duration_seconds_count I would like to have my query output in below table format. Hi Lili, Thank you for looking into this. You can only use relabel_config if you know prior to each scrape the extra labels you want to add. prometheus. Mar 10, 2023 · How to use label_replace: Lets take a look at a naive example query just to understand the concept. Jul 18, 2017 · 16. grafana. Feb 4, 2020 · Labels. If you want to be able to aggregate both side and get the single one, you first must get the union of different metrics using the __name__ label: Feb 26, 2020 · Using relabel_config will add the label to all metrics ingested and if you need it to apply to up only, you can drop it at ingest time for all metrics: metric_relabel_configs: - regex: my_new_label. Mar 27, 2024 · I would like to filter a query to only values in a metric where a label for that metric exists as a label in another metric. Label filters. Prometheus cannot find matching pairs of time Nov 5, 2022 · I want to write a PromQL that will multiply the first metric with the second one on a specific label (identifier here), while persisting all the other labels in the resulting metric (name and othername here), so the result would be: Nov 9, 2023 · To control the labels in an aggregation you have 2 clauses to use: without() - removes the listed labels from the result vector, while all other labels are preserved in the output; F. Aggregate request rates. This function has to be enabled via the feature flag--enable-feature=promql-experimental-functions. The label_replace() copies the label_a value to label_b for all the series returned at step 2. e how much changes for metric my_bytes_in over last 5 min (omitting labels for simplicity): changes(my_bytes_in{}[5m]) bool. You cannot achieve this with vector selectors but you can use union operator OR to get the union of selections: node_cpu_seconds_total{cpu=~". Mar 11, 2021 · Selecting data in PromQL is as easy as specifying the metric you want to get the data from. What are you trying to achieve? I’m trying to create a panel that displays a stacked time-series graph of CPU usage of multiple pods in Kubernetes, but the pod list should be filtered based on labels of another metric. SingleStat -> Options -> Value Stat (name) Go back to SingleStat Metrics -> Legend format { {version}} You can pick any label of the nodejs_version_info query. Any metric test_gauge with label name set name_value will have it replaced with renamed_value. 0 release it supports the ability to specify * inside group_left() / group_right() in order to get all the labels from one -side. To do so, we will use the labels host and path from that metric. . Nov 2, 2022 · I need to join a metric m1 with a metric m2 where m2 is filtered, something like m1 > on() group left m2 > xxxx. Aug 29, 2019 · Once you get that, you can use the changes () function to compute the number of changes. Jul 14, 2022 · Canary stack will always create one instance either blue or green so I can see the count of the instance using the below query but can't make to display the value of the bound metric. +"} That will give you everything where group starts with "misc group". May 3, 2020 · (The result of this test is not bothering me) - The problem is that the duration is a label and not a value. It describes what the series represents, like http_requests_total or node_cpu_seconds_total. For example: - record: job:availability:999 expr: |. The the Graph on grafana is pointing only for values such as 0/1 and not for labels. Refer the documentation. (sum by (pod_name) (rate (container_cpu_usage_seconds_total [5m]))) This query calculates the Mar 24, 2019 · PromQL engine strips metric names from all the time series on the left and right side of the arithmetic operation without touching labels. Please assist. For example, you may have a metric that simply counts the number of API requests (e. , a time series in Prometheus is defined by a combination of a metric name and a particular set of key-value labels. Mar 23, 2022 · In the original query the set of labels weren't identical, because they differ by code label value. Counter metrics are rarely useful when displayed on the graph. Example: requests_processed_total{service=&quot;news&q Aug 3, 2022 · The outer label_replace() substitutes the app label with an empty value, so the label is removed from the resulting time series. With count by (no, type) it doesn't show the correct value, and I have some other metrics that I don't want to goup by but I want to monitor. Sep 2, 2022 · Prometheus doesn't provide a function for parsing label values into numbers during queries : (. But such a function is provided by VictoriaMetrics - Prometheus-like monitoring system I work on. But other values of label name wouldn't be changed, Aug 28, 2022 · I found something interesting, it is kind of hack: count_values without() ("my_new_label", start_metric) answered Aug 28, 2022 at 19:11. Note that sub-queries can be heavy on Prometheus and using a recording rule can help. May 1, 2020 · Let's suppose I have a metric my_metric and would like to calculate a difference between current metric and the one from two days ago based on label my_label. Please note that the sort by label functions only affect the results of instant queries, as range query results always have a fixed output ordering. 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 This will keep the status label but will also add a metric2_status with the value of the status label. For example, the following MetricsQL query returns the percentage of disk_usage value comparing to the value stored . Step 2 — Get the pod labels: We can get the pod labels via the kube_state_metrics by Feb 24, 2020 · 9. This works because there is a 1:1 correspondence (on instance , chip and sensor ) between the metric on the left and the metric on the right. level represents the aggregation level and labels of the rule output. If you want your alias to have the same name as your metric, the only solution to this is hardcoded. Label1, Label2, metric1, metric2. 4. Dec 4, 2017 · In fact, the label_replace method only add a new label to metrics but not replace. Now you can proceed to use on() and group_left() . In my specific case, I compare the number of processes running with "OPP" in the "groupname" tag with a value from a database. If you want to combine labels from two different metrics, then create a PromQL query that does the join, and when you have that working, put it into a recording rule. (count(bound(cfstack=". Jul 17, 2023 · Metric Names: This is the name of the time series. Where label1 and label2 are common for both metrics. Labels: These are key-value pairs that provide more details about the metric. With count and sum I can't see those metrics. You don't need group_left since unless with on clause doesn't change left operand's labels set (unlike and with on clause). One of the key health indicators you want to measure about a service is how many requests it currently serves. You won’t have access to do this on Play, but you could follow along on your instance of Grafana. Same as sort_by_label, but sorts in descending order. answered Jul 12, 2018 at 7:35. You can use any binary operator with on clause containing common labels an group_left containing label present only in the second metric. I managed to do this before ingestion using this: Nov 21, 2022 · metric {label1=“123”, label2=“456”} → 456. We could run this PromQL query: Jan 28, 2020 · 1. In this example, we will use the metric http_requests_total. Add series, ignoring the instance and job labels for matching: node_memory_MemFree_bytes + ignoring ( instance , job ) node_memory_Cached_bytes Open in PromLens Sep 20, 2023 · Here label_replace is applied tow times: one for each label. Also notice, that here I showed two different approaches: simple replacement of a single value with another value for name. For example: metric1 * on (ValueB) group_left(ValueC) metrics2. another value1 and another value2, but only the line for another value1 is displayed, because for this time interval, there is/might be no data for another value2. Sep 19, 2021 · I need two Prometheus metric values in a single query. If there are no pairs of time series with identical labels, then Prometheus returns nothing. 3. All metric metadata is retrieved if left empty. That's why it is recommended wrapping these metrics into rate or increase functions: rate(m[d]) returns the average per-second increase rate for counters matching m series Jul 11, 2023 · If you need the ability to join all the labels from one metric to another, then you can try Prometheus-like solution I work on - VictoriaMetrics. answered Feb 26, 2020 at 21:28. See label_replace () docs. 4. 2. Jan 14, 2023 · What we did here is simply snag the label metric label from node_hwmon_sensor_label and add it to the labelset of the metric node_hwmon_temp_celsius. In this case you need to add the following relabeling rules into metric_relabel_configs section at the corresponding scrape_config: metric_relabel_configs: - source_labels: [__name__, name] regex: "node_systemd_unit_state;(. monark. The ignoring clause means don't use the ifDescr label for matching (as it's only on one of the series). edited Apr 28, 2022 at 22:59. yml config. Prometheus usually measures request counts using Recording rules should be of the general form level:metric:operations. Available metrics for the example. Jun 13, 2021 · But it has to be specified explicitly by adding either group_left or group_right modifier to a query. Expected output: Dec 17, 2020 · This is the method that UIs typically use to present you with a list of metric names. Now to enhance debugging i have added another label msg_type. I. In Prometheus, we use Jan 7, 2020 · This is the expected behavior when using a binary operator: both side must have a matching label set to be taken into account. 2. For example: I have a custom variable selectedStatus which values are 1, 2 and 3 with an "Include All option" (not sure what to specify as a custom value for this) And a metric status Nov 16, 2023 · To only receive the labels, that allow to connect both metrics, I'm using label_keep: (label_keep(probe_success == 0, "instance"), label_keep(probe_http_status_code, "instance")) Unfortunately the Status codes are discarded, as there are already the values of the probe_success-metric. brompton. The resource menu lists valid resource types for that metric, for example, "VM Instance". Now, I'm looking for help to join above metrics on labels b and d and filter results based on value of addnlabel=XYZ. Or, as seems to be the norm, representing each state as a separate label and then using a boolean value to indicate which state is active. , api_http_requests_total ). mymetric{name: thing1, mylabel: a} mymetric{name: thing2, mylabel: b} mymetric{name: thing3, mylabel: a} I want all of my metrics with mylabel value "a" to be sum() together into one line on the graph, while metrics with mylabel value "b" are sum() together onto the same graph. Jan 21, 2019 · Prometheus applies arithmetic operators such as /, -, +, * individually per each pair of time series with identical set of labels (ignoring metric name) on both sides of the operator. *abc. Jan 5, 2023 · I would like to change the value (not the label name) of label instance in the Prometheus DB using a PromQL from metric rundeck_system_stats_uptime_since. These need to be used with an arithmetic or group function. 99. ”. Prometheus will only let you use grouping on operations between series. The data section of the query result consists of a list of objects that contain metric metadata and the target label set. May 12, 2022 · Finding all time series that do NOT have the label label is essentially the equivalent of an OUTER JOIN from SQL; googling that for PromQL I found question Is there a way to do a "left outer join" like query in PromQL? that explains that this is unless in PromQL. To create the “enum” you could do something like: Which would give the value of 1 for cool, 2 for heat and 3 for red. See matching rules for binary operators in Prometheus . Grafana lists these variables in dropdown select boxes at the top of the dashboard to help you change the data displayed in your dashboard. Kube-state-metrics gets these from K8 API. For example, the following query copies app label into service and status label into responseCode: Apr 3, 2023 · 1. promql. Starting from v1. Dec 9, 2020 · In Grafana I need to create a PromQL query to select some metrics whose values are included in a given multiple selection variable. yaml, I changed this: Nov 16, 2023 · F. 001. The label_join function allows users to create new labels by joining the values of existing labels. (e. Some earlier metric systems had only the metric name for distinguishing different metrics from each other. answered Jul 18, 2017 at 2:57. Dec 14, 2021 · One way to do the grouping is by. asked Apr 28, 2022 at 19:53. bool operator is useful to convert filtering conditions to 1 and 0 (we will use them later for multiplication) Show 1 for metric my_bytes_in if there are changes over last 5 min, show 0 if there no changes: Dec 10, 2021 · We want to get all metric names from Prometheus server filtered by a particular label. This will match all that is misc group. And the way you query for a missing label is by checking for equality with the empty string. So, when you’ll decide to cover a multitude of availabilities, you’ll end Sep 7, 2021 · Prometheus: PromQL - Adding a label to the metric. Alin Sînpălean. Jul 11, 2018 · Try this: {__name__=~". Hopefully this will help someone else. For your case: May 9, 2023 · exporter1_metric() > exporter2_metric() When the first metric returns null, the comparison does not work since null != number. docker. Something of the form trivy_vulnerability{severity="high"} 12 and trivy_vulnerability{severity="critical"} 0. Yes, in Prometheus we have a way to make joining two metrics less complex for the end-users. 92. Under Data source, I’ll choose the Jul 28, 2020 · Say I have two metrics in prometheus, both counters: requests_processed_total requests_failed_total They both have a matching service label. In the toolbar of the query-builder pane, select the button whose name is either code MQL or code PromQL. For instance: Range_1MB Range_10MB Range_49MB Range_100B. The function is named label_value. action: labeldrop. answered Sep 25, 2020 at 2:10. Now we need to add the constant label="unknown-sensor-name". Add one to account for the first creation: changes((max(created))[3h:]) + 1. Jul 31, 2017 · In my dashboard Add row -> SingleStat -> Metrics tab -> Query is : nodejs_version_info , now value displayed is 1. I'm currently working on setting up Kubernetes monitoring in another monitoring system that doesn't have a query language similar to PromQL and doesn't allow joining metrics. My question is if there's a way to merge the zero vector with each metric values? Edit: I need grouping, at least for a user and name labels, so vector(0) is probably not the best option here? I tried multiple solutions in different StackOverflow threads, however, nothing works. The above query returns mi timeseries joined with m2 but "> xxxx" is applied to value of m1 instead of reducing the set of m2 timeseries This could be a syntax m1 > on() group left (m2 > xxxx) but, obviously I get a parse error Nov 16, 2022 · I have following prometheus metric: and my aim is to get a grafana graphic which shows the amount of files in the different size range grouping by user. Is there any way to combine them in a way that all Status May 6, 2019 · This should work (replacing up with the metric you mention): label_values(up{service=~"abc. Otherwise, the following error might be returned during the query execution: multiple matches for labels: many-to-one matching must be explicit (group_left/group_right) Mar 16, 2021 · There’s another way. These two metrics have in common the tags "client", "manager" and "link". Jun 28, 2020 · I had a prometheus metric upload_latency with single label device_id. Prometheus template variables. Test these options and tell if they solve your issue. Use PromQL to query and aggregate metrics stored in an Azure Monitor workspace. edited Jun 1, 2021 at 10:06. I would like to apply this result's instance back to metric1. com/r/prom/node-exporter/ We will have metrics looking like that, for example: node_disk_bytes_read{} . The first thing I’ll do is go to the Dashboards area of Grafana and create a new dashboard. Jan 6, 2021 · Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Apr 8, 2020 · However, keep in mind that all labels that are not used for the comparison are going to be thrown away. Note that the time series now have two identical labels - label_a and label_b. That should give you the number of instance created over the last 3 hours. Andres Julia. Currently I have problems to combine the two labels of this one metric to get the wished output. To get the right value for our metric we need to join two different metrics. You could use something like this: max_over_time(disk_up[1h]) unless. label_values (label) Returns a list of label values for the label in every metric. Piotr. 2). If i query 'upload_latency' now, it plots separate lines for each combination of device_id and msg_type. 4 on Linux/k8s from Helm repo prometheus-community. You can find examples of the join here: 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"}. Step 1 : Used following query to get all metric names, query succeeded with all metric names. disk_up. However, we’re not specifying any match group’s in our replacement string, so the entire string is Aug 24, 2023 · This should give you a good first impression of the PromQL query language, as well as help you get started on the right foot with monitoring your services. While the PromQL query above gives you the metric names of all series with recent (<5m old) data, this metadata API endpoint will by default give you all metric names that are known to the TSDB at any time. com/prometheus/node_exporter. In result I'd like to get metric info1 only if the condition matches. In prometheus web UI, with query of 'upload_latency' i see different lines for each device_id. If you still want to do this, then try the following query in Prometheus-like alternative system I work on: label_value(my_metric, "expected_value") != my_metric. If you would like to keep all labels from the left, you can do that by adding group_left after the on/ ignoring clause. PromQL (Prometheus query language), is a functional query language that allows you to query and aggregate time series data. application_error_count{area="x"} May 16, 2020 · Instead, we can use a static Recording Rule so availability target can be just set in one place. My Objective: Expose those labels into Prometheus. *"} BUT there is no all label values selector - meaning you have to specify all labels. Sep 16, 2020 · Prometheus: PromQL - Adding a label to the metric. Oct 23, 2023 · Grafana v9. label_values (metric, label) Returns a list of label values for the label in the specified metric. Let’s say we use the excellent “node-exporter” project to monitor our servers. This can also be used to represent "combined" states. Aug 5, 2021 · sum(metric_name{label="some label value"}) by (label, another_label) I get this graph displayed: I know that my metric_name has data for two label values for another_label, e. The by clause is used to specify the labels that should be used to join the data. 2 Promql join on different label names. So in my prometheus-rules. It uses label_value function for extracting numeric label value from the expected_value Nov 8, 2021 · The count(is_active) by (label_b) counts is_active series grouped by label_b. For example, method=”POST” or instance=”localhost:9090". Sep 6, 2020 · Prometheus: PromQL - Adding a label to the metric. Or if the metric gets or loses one label due to the exporter or your Prometheus configuration. github. Jan 29, 2024 · Azure Monitor managed service for Prometheus, collects metrics from Azure Kubernetes clusters and stores them in an Azure Monitor workspace. A label is a key-value pair that defines a new time-series. limit=<number>: Maximum number of targets to match. 0 PromQL: reuse group label in another to Prometheus Users. The default regex wil always match, which causes the replacement to be carried out. 1. Oliver. all independent metrics that match the regex above will show as a separate metric not all as Oct 22, 2018 · 4. Your issue is that your label ( critical, high) values ( 0, 12) should be represented as metric values. I will then create a new panel, and title it “Extract Prometheus Labels. Labels can be used to filter and group metrics. See these docs for more details. Oct 14, 2022 · 3. 0 PromQL: reuse group label in another metric. My Solution: Using PromQL you can do group by. 72 7. The or operator is substituted with and operator and the rate({code="2xx"} is put in the front of the query, since a and b returns a when there is a matching time series with the same set Aug 28, 2019 · By choosing a single always existing source label ( __address__ always exists), you are guaranteed to get a source match for replacing the target_label with. Instead of hard-coding details such as server, application, and sensor names in metric queries, you can use variables. Maybe you want "count by (no, type)" or just "count by (type)". When a metric is selected, the data source requests available labels and their values from the server. For ex: Feb 23, 2023 · Display metric labels in a table. This means that you might end up with metric names such as bicycle. The actual value is going to be 1, but you're not interested in that, just in constructing the right labelset to filter your Jan 17, 2019 · Prometheus allows renaming labels in the following places: During metric scrape. In this case, the value of the right side will be applied on each of the left side labels that match the labels from on. To illustrate, if the exception counter was called “application_error_count” and it covered code area “x”, we can tack on a corresponding metric label. Mar 3, 2024 · Joining labels in PromQL allows users to combine data from multiple metrics based on shared labels. meters. For each time series on the left side PromQL engine searches for the corresponding time series on the right side with the same set of labels, applies the operation for each data point and returns the Apr 28, 2022 · I tried doing something like avg_over_time(metric_1[5m]) > avg_over_time(metric_1[30m]) but its not exactly what im looking for (need to compare with values with same colour label but excluding same name) Thanks for the insights :) prometheus. 12. https://github. Above will create a Recording Rule job:availability:999 which will have no labels and will always yield 0. Grafana refers to such variables as template variables. Any help would be appreciate. Imagine that we want to know the number of requests for the /api path in the host 10. 0. Apr 23, 2018 · here the pod label we want is app, so now we need to find the labels of the pods to further aggregate them. Select desired labels and their values from the dropdown list. Here * is arbitrary operator and you can use any, depending on your expectation about values of resulting time series. *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): Oct 15, 2020 · This query adds a empty metric with zero values. 0. max (metric2) is (3, 14, 23) and it can be mapping to (instance3, instance1, instance1). Is there a way to do it in PromQL with Feb 18, 2024 · The problem with that solution is that it doesn't translate well to any PromQL queries that use labels as important partitioning indicators. How are you trying to achieve it? I have cre Aug 17, 2016 · We use alias in order to overwrite the default metric name, so even if you change the metric name, the alias should remain the same. metric=<string>: A metric name to retrieve metadata for. 9. Every such time series is stored separately on the Prometheus node in the form of an Apr 16, 2024 · Enter your metric name in the Select a metric field and then navigate through the menus to select the metric. Sep 25, 2020 · The Prometheus data source plugin provides the following functions you can use in the Query input field. Aug 14, 2023 · Hi, We have a scenario where were we need to explore using Prometheus. Use the + button to add a label, and the x button to remove a label Feb 21, 2019 · 10. You can use a regex query: my_metric{group=~"misc group. sum(sum_over_time(m1[1h])) by (p1, p2) but i'm not sure if adding the external sum here, just in order to group, is the way to go. You can, although it's quite the hack: metric_a and count_values without() ("some_label", metric_b) The count_values function is going to essentially add a some_label label to your metric_b, equal to metric_b 's value. Getting all values for a specific label Mar 28, 2023 · 1. So I can use this method to add a new label if you do not want to change prometheus. In SQL this would look like: SELECT * FROM metric1 where metric1. This function uses natural sort order. If it matches, the value of the label dst_label in the returned timeseries will be the expansion of Jun 29, 2023 · 1. Another possibility it to do: topk(100, sum_over_time(m1[1h])) by (p1, p2) but in this case the grouping doesn't seem to happen right, as the results contain a lot of rows with the Apr 29, 2022 · Is there any way of ignoring a label with last_over_time function or another approach to that? I am sure this is a common use case so does a function already exists for this which I could not find ? prometheus Enable regex search. the metric existed at any time during the past 1 hour but doesn't exist now. wl go et gg wk yt pr nu qx fs