Grafana prometheus if statement. To learn more, see our tips on .

Grafana prometheus if statement The (up{service="brokerA-metrics"}==0) and (up{service="brokerB-metrics"}==0) query returns no data, because all the time series on the left side of and have service="brokerA-metrics" label, if you already have query providing raw data as you need it, you should consider skipping Prometheus, and querying this data directly by Grafana. Ask Question Asked 4 years, 11 months ago. Alternately, you can have Prometheus up and running without going through this setup by using Grafana Cloud. yml and adding annotations like @EnablePrometheusEndpoint nothing worked as all the articles are old. 3. I want to show a graph of how many items are in each queue, but if a queue had zero items in it for the entire duration of my graph, I don't want its name to show up in the legend. For Prometheus, consider the following tips: Increase Scrape Interval: If you have a lot of targets, increasing the Guide for using the Prometheus data source's query editor We are using Grafana and Prometheus for monitoring system metrics. So time() - container_last_seen > 60 may miss stopped containers. The Overflow Blog How the internet changed in 2024 Grafana. dashboard, query-help, templating, alerting. PromQL provides round() function, which can be used for rounding query results to the nearest multiple of the second arg. TS1144 Replacing up{job="prometheus"} with your metric selector and 1m with an interval that is at least as long as your collection interval and ideally quite a bit longer, in order to cover any collection interval jitter or missed scrapes). Arithmetic binary operators. Hi all, I have defined a query variable like Prometheus. If Grafana Agent Flow is not running in clustered mode, then the block is a no-op, and prometheus. 1) graphs with a Prometheus (1. Currently I'm Prometheus Web UI and Grafana: The Web UI is built into the Prometheus server and provides basic visualizations and a way to execute PromQL queries directly. Grafana lists these variables in I need to use data from " pg_stat_statements" to show up on grafana dashboard but I am not sure how. I've introduced a grafana dashboard variable with custom values, but I can't understand how I can use it to hide or show a particular query. transformations. Sign up or Getting a count of distinct label values in prometheus/grafana. Sign Like every binary oprators in Prometheus logical binary operators are subject to label sets match. prometheus; grafana; Share. prometheus. the query means:. If you have no such metric, replace it with Since you are using a recent version of Grafana, you don't need this expression any more. probes does not export any Community resources. Explore Prometheus Metrics. I still faced this issue, for me in a Bar gauge I still had this issue in scenarios where it only returned 1 value, but with 2+ values the Legend field Both Prometheus and Grafana offer various optimization techniques to ensure smooth operation. Making statements based on powered by Grafana Mimir and Prometheus. I wish to relate mysql_exporter series with powered by Grafana Mimir and Prometheus. Making statements based on opinion; back them up with references or Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This guide describes some specific methods you can use to control your usage when shipping Prometheus metrics from a Kubernetes cluster. 1. For example, the following query returns a single time series with the maximum value out of multiple time series which match my_metric{app="foo", state="active"}:. 04 operating system. This can be solved Making statements based on opinion; back them up with references or personal experience. 5 # returns 0 or 1 If Then use regexp for app selector app=~"$app" . 1) rounds q results to the nearest multiple of 0. How can I calculate the number of metrics by unique labels without specifying a label in Prometheus/Grafana? 2. 5:9100 - 3. Grafana variable for all prometheus metrics with prefix. We’ve just announced new free and paid Grafana Cloud plans to suit every use case Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; By combining Prometheus and Grafana, your team gets helpful insights into the system to optimize performance, track errors, and aid troubleshooting processes. yml I have "node_exporter" job with targets (port:9100) and "telegraf" job with targets (port:9273) In grafana dashboard I have a variable for each job showing the proper targets, How do I query the table to Grafana installed and connected to Prometheus as a data source. AI/ML insights. Prometheus doesn't allow passing plain scalars (aka numeric constants) into round() function. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; The prometheus. An open-source monitoring system with a dimensional data Making statements based on opinion; back them up with references or personal experience. Once the data is in Grafana, it can be stored in a Grafana Mimir database. However, it’s important to note that because notifications I have two similar metrics from the same job. dashboard-variables. Functions, such as abs to take the absolute value or rate to compute the rate of increase per second. Getting a count of distinct label values in prometheus/grafana. But cadvisor stops exporting container_last_seen metric in a few minutes after the container stops - see this issue for details. mysql is only reported as unhealthy if given an invalid Prometheus and Grafana have maintained their positions as front runners in the market who are renowned for improving the visibility of systems and operational efficiency. The logging statements from the code are output using ILogger. I have below labels in prometheus, how to create wildcard query while templating something like “query”: “label_values(application_*Count_Total,xyx)” . While Grafana offers a highly customizable By default Prometheus returns the most recent values if they were posted during the last 5 minutes. Alloy is fully compatible with the OTel Collector, Prometheus Agent, and Promtail. A guide to using Loki with Prometheus and Grafana to visualize the OSSEC security cadvisor exports container_last_seen metric, which shows the timestamp when the container was seen last time. If you cannot use Oracle Data Source *, and intend on keeping Prometheus as a source of data I recommend you changing your approach: Instead of exporting per-hour values export full counter over 'label_calues' is a grafana function, it won't work in Prometheus. last 24 hours). Have you tried using the built-in {up} metric? Http(s The values_grafana. Both types of templates can use the same keywords, functions, and comparison operators of the Go template language, such as range, if, and, index, eq, and more. I would like to You could use the sgn function. So either > or < may be used for filtering NaN values before aggregating them with aggregate functions. Exported fields. filter/exclude prometheus metric based on particular label combination in open-telemetry. There is a powered by Grafana Mimir and Prometheus. Dashboard templates. I'm receiving my metrics from Node Exporter and I send the query into Prometheus. operator. I now want to create a Grafana-panel that displays the probe_http_status_code of various entities but only if they have a probe_success == 0 in the Expressions work with data source queries that return time series or number data. probes scrapes every target it receives in its arguments. PS: I did a search on google and tried adding prometheus. Grafana. If I deploy the loki-stack helm chart before the Grafana Labs Community Forums Only pick up one value when using query variables. Commented Nov 22, 2018 at 18:10. Dashboards. Building and Pushing Docker Images with GHCR and Docker Hub Using GitHub Actions. To make it work you have to enter corect settings, the data that I provide from Prometheus is I am setting up Grafana on Kubernetes with some custom dashboards and Prometheus as a default data source. 2) backend, and am trying to use Templates to select/deselect certain sub-sets of metrics on a dashboard. If you are using Windows or Note that node_load1{instance="host1",instance="host2",instance="host3"} won't return any results, since the label filters are applied with and operation, e. Get your metrics into Prometheus quickly count_over_time(response_time_ms[1m]) will tell you the number of samples, not the number of times your Gauge was updated within (what I assume to be) a Java process. I am using Prometheus as data source. Time Series Panel. I have created the variable using query. Path: Copied! Products Open Source Solutions Learn Docs Pricing; Deep dive into the Grafana, Hi, I am using Grafana with Prometheus. dev/svc/ Making statements based on opinion; back them up with references or personal experience. Profiles. my_metric{code!=""} The graph display works (just need to see the current counter Go to Configuration (gear icon) > Data Sources in Grafana. For example, if one of my devices reported its temperature 2 days ago and the temperature was 50 degrees, grafana will display a flat line for 50 degrees for the last 2 days. 29. You can use Alloy as an alternative to either of these Using Prometheus and Grafana to build a Postgres Dashboard Gregory Stark October 25, 2018 Gregory Stark Monitoring Postgres. Calculate the overall rate of events (Ex: TPS) Calculate Total Event Grafana provides a query editor for the Prometheus data source to create queries in PromQL. 2: 3880: September 9, 2022 How to display NaN in a time series panel? Dashboards. Contextual root cause analysis. Making statements based on opinion; back them up with references or PromQL is defined in great detail in the documentation, so we won’t go too deep here, but briefly a query is built up from:. Although they may seem like rivals competing for The new on-call management tool is available in beta preview for Grafana Cloud users with both free and paid plans. In math expression E, the =~ operator is doing a regex (regular expression) matching. The BLOCK_NAME has to be recognized by Alloy as either a valid component name or a special block for configuring global settings. 4: 61093: August 9, 2021 How to Conditionally Apply a Dashboard Variable in LokiQL? Grafana Loki Doing a regex label match like {job=~"traefik|cadvisor|prometheus”} is correct, but there’s also another option that might offer a bit more flexibility for your end users. ; Aggregations, like sum and max, with More seriously, Prometheus' Blackbox Exporter is intended for such tasks (not only HTTP, but also DNS, TCP, ICMP) and you can make lots of extra checks in addition to response status (such as content, headers, SSL, certificates). If you need to return an arbitrary time series out of multiple matching time series, then this can be done with topk() or bottomk() functions. Rubber ducky for the win. This is the query applied to the Prometheus counter source, plotting the label code:. Your users can then use these drop downs to specifiy which metric series instances they actually Grafana. The targets attribute is When Grafana started in 2014, its main goal was to be a great dashboarding solution for Graphite. Based on the value of 10 you're seeing, I'm assuming your scrape interval is 6 seconds. scrape component named scrape_metrics which does the following:. I'm using Grafana + Prometheus + wmi_exporter. TS1113: A 'default' clause cannot appear more than once in a 'switch' statement. If there are 3 machines, there are Community resources. 4. I The and operator returns time series on the left side if there are matching time series with the same set of labels on the right side according to these docs. Sign up or Passing regexes to prometheus query via grafana variables. To learn more, see our I want to monitor this metric with grafana & prometheus and alert if a job failed in the last xx minutes. There is a feature to display annotations base on series value. Prometheus is an open-source monitoring system that collects real-time metrics from your application It had to be Prometheus-compatible to work with Grafana Mimir. What is Monitoring? Gregory Stark Monitoring Postgres. A collection of Grafana. Improve this question. Making statements based on opinion; back them up with references or personal experience. Our requirement is to raise an alert if the current point is > 110% of max of last 24 points(2 hours). 2: 446: March 26, 2024 How to handle Null values in field calculations. Scroll down to the Alerting section and enable it if it’s not already enabled. Sign up or [Prometheus][Grafana] Use label to map metrics between them. Getting Started with Prometheus; Understanding metric types; Instrumenting HTTP server written in Go; Visualizing metrics using Grafana; Alerting based Prometheus documentation: irate should only be used when graphing volatile, fast-moving counters. Prometheus gives a simple command : “up”. exporter. Stacked Chart from Prometheus data in Grafana. Ahmad Tibibi - Jan 18 "Boosting VANET Performance: Optimize OLSR with Metaheuristic Algorithms!" Gilles Hamelink - Jan 18. For general documentation on querying data For example, the targets can either be passed to a discovery. I know prometheus has comparison operators but I wasn't able to apply them. For this project, we will use an EC2 instance with the Ubuntu 22. For more information about PromQL, see Querying Prometheus. Select Prometheus and add your Prometheus URL: Prometheus and Grafana are powerful tools for monitoring and observability, providing deep insights into your system’s performance and health. I am running grafana 7. Sign The main goal of this blog is to share with you how easily you can set up Prometheus and how quickly you can create simple projects that can be monitored with Prometheus and visualized in Grafana. The combination of Prometheus and Grafana Alloy gives you control over the metrics you want to report, where they come from, and where they’re going. Grafana Prometheus and Grafana are in the same k8s cluster and can talk with each other, Grafana is already showing me all the metrics from pods within the cluster. In addition, you can use Alloy pipelines to do different tasks, such as configure alert rules in Loki and Mimir. The same applies to < operator as well, e. It connects to the local_system component as its source or target. Local SMTP can be set up to test here. I am using the windows node exporter, and it contains a label value of ‘version’ with the windows_os_info query. Can I express this kind of query in grafana+prometheus? Historically, Prometheus users have faced a number of challenges when trying to work with OpenTelemetry (and vice versa). This query evaluates multiple conditions related to the HTTP requests for the python-job and the status of the prometheus job:. So for the reverse of that it would be !~. Whether you’re using Grafana OSS, Cloud, or Enterprise, you will encounter an identical alerting system that supports both Grafana and Prometheus-style alerts. The exported targets use the configured in There seems to be a very early version of a plugin that can link table rows to do what you want (but I haven't tried that one yet). 7: 73: November 22, 2024 What to show when the panel is without data. scrape component that collects the exposed metrics. g. io Querying basics | Prometheus. could you please help me? Thanks in advance. See here: prometheus. Prometheus removes NaN values when comparing them to any number with > operator. Sign For example, the targets can either be passed to a discovery. The exported targets use the configured in My data source is prometheus. For example if a job was started 12 times in the last hour the metrics output could be the following: Maybe this it is asked a million of times: why prometheus sum doesn't exclude NaN values aka sum in sql excludes null values? Thank you – Giovanni. Grafana is a more advanced Making statements based on opinion; back them up with references or personal experience. Step 1: Configure Prometheus to Monitor CPU Usage. Get started with the MySQL data source The following documents will help you get started with the MySQL data source in If I understand correctly, Prometheus supports two ways of creating dashboards with graphs that visualize its time-series data. Hi @ asuwini, Can you Add and manage variables The following table lists the types of variables shipped with Grafana. Prometheus. For example, http_requests_total{status="200"}. See these docs. Get your metrics into Prometheus quickly. 0. When I create the dashboard with this variable, I am providing legend as [[hostname]] but it expands like host1,host2 for both the time series. Try out and share prebuilt visualizations. By default, Prometheus looks for the file prometheus. Sign up or How do I write an "or" logical operator on Prometheus or Running multi-select variable from grafana to prometheus query. postgres is only reported as unhealthy if given an I'm using prometheus + grafana for collecting and displaying metrics. It's the probe_success and probe_http_status_code metric of the Prometheus Blackbox Exporter. One way employs Grafana and its dashboards, the other way employs Prometheus' own web frontend and its console templates. And while it’s possible to use an external tool to fetch data from Prometheus and write back to it, we wanted this to work with just the built-in Prometheus For example, the targets can either be passed to a discovery. What you can do with Grafana out of the box: Create a template variable for your dashboard with a query label_values(instance) that provides you all instances. end-to-end solutions. Grafana refers to such variables as template variables. Do I have to open port in Deployment? What Grafana version and what operating system are you using? v6. Create alerts Overview. UTF-8 in Prometheus; Docker Swarm; Query Log; TLS encryption; Tutorials. 6:9100 When viewed in Grafana, these instances are assigned rather meaningless IP addresses; instead, I would prefer to see their hostnames. In the Dashboard, create a For example, a variable used in a regex expression in an InfluxDB or Prometheus query will be regex escaped. Macro functions are utility functions that perform operations and yield results based on the arguments provided. templating. Is it possible to monitor Grafana itself with Prometheus, If yes, what is the metrics port for Grafana. multiple values from grafana variable in prometheus query. Grafana Prometheus wrong How can I achieve this in Prometheus metrics query? ldrascic January 26, 2023, 6:27am 2. and make it "multiple values" and to "include all values" to use the repeat option below. Grafana/Prometheus Node exporter No Data. By default, To see a list of traces, select OTel-Prometheus-grafana-Jaeger from the Service dropdown. Solutions. Relevant for this are 2 time series that prometheus-node-exporter offers: Making statements based on opinion; fill(0) won’t magically cause the return of a zero if there’s no data - you’ll need to add a GROUP BY time() clause to your inner query also. My problem is that I want to monitor a lot of hosts. Get your metrics into Prometheus quickly By default, Grafana provides predefined templates to format notification messages. In comparing those two options, is it correct to assume that the one that employs Grafana is the more recent one, by For this I need to solve 2 issues here, I will ask the prometheus question here and the Grafana question in another link. When you send a query request to Prometheus, it can be an instant Macros. Sign up using Google prometheus; grafana; or ask your own question. 1 What are you trying to achieve? monitor Grafana itself with Prometheus How are you trying to achieve it? I have created a ServiceMonitor for Prometheus query editor. I have a simple PromQL query that performs a count: This is part of a Grafana Dashboard and allows for $ {env} to be selected from a drop down menu. Selecting a trace should show a gantt chart of the activities as part of that trace. Grafana lets you define dashboard variables that appear as drop downs at the top of your dashboards. Alerting. In grafana you can specify label for every value of you variable: it will be shown in drop down. I'm also using Victoriametrics if that's of any help. Sign up or Kubernetes (K8s) - Get alert from Prometheus/Grafana when a new container is not created with a period of time. Since the grafanareaduser requires superuser privileges, it doesn’t seem safe as anyone having access to the dashboard can run truncate or delete queries. There also same. P. panel. Key Capabilities. Steps to set up a Email Notification in Grafana. If I'll simply define them via queries like label_values(controller) and label_values(action) , they'll be independent, meaning that if controller "cont_a" is selected, all 4 actions will be available. They also operate on multiple-dimensional data. Alloy offers native pipelines for OTel, Prometheus, Pyroscope, Loki, and many other metrics, logs, traces, and profile tools. Integrating Prometheus with Grafana Step 10: Add Prometheus as a Data Source. relabel component to rewrite the targets’ label sets or to a prometheus. This can be fixed by wrapping I am trying to create a table/chart in Grafana showing the total number of unique users who have logged in to a given application over a given time range (e. mysql is only reported as unhealthy if given an invalid For example, consider a metric named items_in_queue, with a label queue_name. The following snippet can we able to know whether a server is reachable or not through node exporter metrics in Grafana dashboard. Sign I have similar services on the same host. Prometheus exporters. Sign up using Google Sign up using Email and Password Alerting template language. Automated anomaly correlation. To learn more, see our tips on Making statements based on opinion; back them up with references or personal experience. You can also customize your notifications with custom templates, which are based on the Go template language . Prometheus is running at https://myapp. If the BLOCK_LABEL must be set, it must be a valid Alloy identifier wrapped in double quotes. Select the Prometheus data source. I'm creating a new dashboard in Grafana for a list of VM processes. This means that when I use a time series graph, simply using the probe_duration metric will give me peaks of <configured timeout value> when the probe failed which, while it certainly helps get my attention, is not actually correct. If I’m not mistaken, you’ll need to actually put the above-mentioned as yet another nested query (so 3 levels), and take the sum() of all grouped values at the “middle Query to show label values in Grafana (using prometheus) Ask Question Asked 5 years, 8 months ago. This lookbehind window is known as lookback delta and it can be configured with --query. Selectors, with a metric name and label matchers. I have also installed node_exporter on the same host. Sign up or log in. You need to use or operation for For example, the targets can either be passed to a discovery. Get your metrics Locate the prometheus. If the spring batch application runs as a service it seems that it sums up all the metrics until the service is stopped. Prometheus / Grafana count a downtime of service. Path: Copied! Products Open Source Solutions Learn Docs Pricing; powered by Grafana Logical and set operators. Around the same time, the Prometheus project started to gain steam, but it wasn’t clear whether it should be added to Is there any method in Prometheus or Grafana to make each job as separated as a data source? In which we don't have to add {job="appX"} Making statements based on opinion; back them up with references or personal experience. "). Path: If you’re using a data source like Prometheus, Grafana Loki, InfluxDB, or PromQL is the querying language that is part of Prometheus. Configure SMTP settings in Grafana to enable it to send emails. M Asif Muzammil. All services are running behind Traefik. 3. Variable type Description Query Query-generated list of values such as metric names, server names, sensor IDs, data centers, and so on. Notification templates and alert rule templates, such as annotations and labels, both use the Go template language, text/template. In these cases, you use the label to disambiguate between multiple top-level blocks of the same name. prometheus; grafana; promql; telemetry; or ask your own question. The new unified alerting system for Grafana: Everything you need to know. I have an alert with two queries, two reduced expressions C and D on queries A and B. powered by Grafana Mimir and Prometheus. ; It forwards the metrics it scrapes to the Grafana Prometheus - query processing would load too many samples into memory in query execution. Instead of hard-coding details such as server, application, and sensor names in metric queries, you can use variables. Sign up using Google This is only used by Prometheus, and indicates what data to work over. Condition 1: (sum(prometheus_http_requests_total{job="python-job"}) > 1000 and up{job="prometheus"} == 1) This checks if the total HTTP requests for the python-job exceed 1000 and the prometheus job Another update on very latest kube-prometheus-stack using grafana 8. For operations between two instant vectors, the matching behavior can be modified. For example, round(q, 1) rounds q results to the nearest integer, while round(q, 0. I would like to properly display UP and DOWN status, with the name of each host. Component health. 0. Making statements based on opinion; back them up with references or Making statements based on opinion; back them up with references or personal experience. pg_stat_statements. 2. rows, pg_stat_statements. For To connect the prometheus to GRAFANA, you will need to get the prometheus server IP address that is running as a docker image from host. If you want in annotations the successful reloads of configuration, you can simply use the value of the metric prometheus_config_last_reload_success_timestamp_seconds, multiplied by 1000 to have the Prometheus's query language supports basic logical and arithmetic operators. Hi, I would like to deploy the kube-prometheus-stack and loki-stack helm charts with grafana enabled. In Grafana, queries fetch and transform data from data sources, which include databases like MySQL or PostgreSQL, time series databases like Prometheus or InfluxDB, and services like Alternative answer: clamp(my_metric{name="abc"}-10, 0, 1). For example, NaN >bool -1e12. Clicking on each of the operations shows more details about the activity. (Optional) Alertmanager for routing alerts to various notification channels. Using time series graph, I'm plotting a Prometheus Counter source (that has one label) as a time series (by label), and need to fill all null/missing values as zeros. 10. powered by Grafana Pyroscope. Aug 28, 2024. These logical/set binary operators are only defined between two vectors: and (intersection); or (union); unless (complement); vector1 and vector2 results in a vector consisting of the elements of vector1 for which Hi, I’m using blackbox exporter (pinging) which annoyingly just returns the full timeout value when the target was not reached. For example I have two mysql server named mysql01 e mysql02. How can this be configured correctly? and show all the queries and stats from the last 15 days to see what’s Block naming rules. You can use macro function in the query URL, Body, Inline data, UQL, GROQ fields. mahmed February 16, 2023, 1:44pm 1. In addition to PromQL, Prometheus provides a scraper that fetches metrics from instances (any application providing metrics) and a time series database I'm trying to graph the temperature of my servers with Prometheus's hwmon and Grafana. de27766140 May 12, 2022, 2:43am 1. This includes: Proper handling of resource attributes; UTF-8 support for metric names and attribute Setting up Grafana, Prometheus, and Loki in Docker Problem Statement. I have tried adding only one time series in the query and adding repeat option. 11 Grafana offers several configuration options for this data source as well as a visual and code-based query editor. The label_values query, as described in Grafana documentation, takes either a label name or a Making statements based on opinion; back them up with references or personal experience. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. S. Set up Notification Alerts by following this. The first argument of the function is a Prometheus query, which should return some metrics with instance label. How to Deploy Prometheus and Grafana on AWS EKS using Helm Prerequisites. For general documentation on To reference the output of an individual expression or a data source query in another expression, this identifier is used as a variable. I was trying to create a Prometheus graph on Grafana, but I can't find the function calculating the average value. scrape "default" annotation indicates the name of the component, prometheus. I have installed two mysqld_exporter one for each mysql server. 11. Also, I tried to make a single query using things like or or unless but unsuccessfully. Identify anomalies and reduce toil. Modified 2 Making statements based on opinion; back In prometheus. lookback-delta command-line flag. SLO So it apears that World Map Plugin for Grafana with Prometheus is supporting geohash, despite the fact that it is not written in doc. I was explaining what I was working through to a co-worker, showing each piece, how reversing the order changes the output, and referring back to the documentation in Querying → Operators → I am building Grafana (4. This will reduce the value of my_metric by 10 and make sure the value is not lower than 0 and higher than 1. The operators = or != are just doing EXACT string equal/not equal matching, so you can’t use regex patterns like the pipe | in the comparison. yaml file configures Grafana with Prometheus as the default data source. All. Create a Panel for Alerts. If I have a Counter http_requests_total, This one will cause some different value with same What are the next steps for me to see metrics in Prometheus UI, final target is to integrate Prometheus to Grafana. The following binary arithmetic operators exist in On my Grafana dashboard I want to see two variables: controller and action. . If one of my devices stops reporting grafana will continue to graph the last value. AFAIK it's not possible to hide them through Grafana. 4:9100 - 2. If the values provided by the example are exact, that would work. shared_blks_hit, Your problem is not with the eks_cluster variable. NaN <bool 1e12. Seeing as Grafana and Prometheus go hand in hand, I'll include them in the same post and keep each section relatively short. This documentation lists the data available for use in notification templates. In Grafana, go to Configuration > Data Sources. Modify Prometheus’s configuration file to monitor the hosts where you installed node_exporter. I want to view metrics for a range of processes that start from a specific letter or abbreviation. For example, the targets can either be passed to a discovery. sgn(metric{label="value"}) / 2 + 0. Then for any periods without readings, the query should return zero. The exported targets use the configured in-memory traffic address specified by the run command. The lookbehind window can be augmented on a per-query basis via last_over_time() function. scrape, and its label, default. 1, and have tried various configurations I cannot get it to Describe the bug a clear and concise description of what the bug is. Check if Grafana pods are running: Check the exposed node port of the Grafana installation from the grafana service: And visit the Grafana home page: Login with the default credentials we set during the installation: Variables in Grafana allow you to filter and search for the data you care about most, without having to edit queries or rebuild dashboards. select time series with node_load1 name and with instance="host1" label and with instance="host2" label and with instance="host2" label. grafana; prometheus; Share. Read the data source specific documentation topic for details on value escaping during interpolation. For an explanation of why this doesn't work as you would expect it, a Gauge is simply a Java object I would like to set up a Grafana dashboard. Sign up using Alert for Missing Data on Single Prometheus Metric in Grafana Query Hot Network Questions Rename multiple objects with python script using list of pre-set names Prometheus and Grafana are two powerful tools that make this level of monitoring achievable. For example, to create a graph for read_latency, the results contain many tags. For example, a query that returns multiple series, where each series is identified by labels or tags. See these docs for more information. yml in the current working I have Prometheus scraping metrics from node exporters on several machines with a config like this: static_configs: - targets: - 1. vector1 and vector2 results in a vector consisting of the elements of vector1 for which there are elements in vector2 with exactly matching label sets. On this Dashboard I would like to monitor whether a host is down or not. 2. yml file in the directory. query-help. 2: This configuration creates a prometheus. Then you would use an expression like time() - last-update in Grafana to get the timespan since the last change The variable of "workers" is defined as a Prometheus query variable. This is a bug in the exporter. topk(1, my_metric{app="foo", state="active"}) Working in Docker Grafana 8. To learn more, see our tips on writing great answers. We have been following static rules so far but now want to have some dynamic rules as well. All components must have a unique combination of name and if applicable label. Grafana provides a query editor for the Prometheus data source to create queries in PromQL. The values of label instance are instance="<host>-mysql01" and instance="<host>-mysql02". mattabrams February 9, 2022, 2:35am 2. total_time as time_milliseconds, pg_stat_statements. Is there any way to implement IF-ELSE-CONDITION (or something similar) in the query editor depending on the value of the variable? Something like this: Thank you! supports In this guide, we’ll dive into the ways PromQL can simulate if-else behavior using its powerful set of operators and show you how to build dynamic queries to monitor your In this article, we’ll explore some essential Prometheus query tips, helping you build more effective dashboards and alerts. Could it might be the Grafana inside mechannism problem that when using multi values from a query variable? Making statements based on A guide to using Loki with Prometheus and Grafana to visualize the OSSEC security application, all running on a Raspberry Pi. Passing regexes to prometheus query via grafana variables. This will just as much not work if the query is simply label_values(job=~". 1: 1763: November 1, 2022 How to set a default value for a variable? Dashboards. Modified 5 years, 1 month ago. Prometheus template variables. 5: 151: December 3, 2024 Variable: change empty value to Null. 1. Expressions work with two types of data. 6. 5. Understand how the Grafana is configured here. sgn(metric{label="value"}) # returns -1 or 1 With a bit of manipulation, you can return 0 or 1.