What OS are you running grafana on? Then each series is passed to the reduceFunction as arguments in the order Note: By signing up, you agree to be emailed related product-level information. Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. However I do not know how to accomplish this using Grafana's regex capabilities, and sending the raw value to MariaDB to get the string manipulation done does not allow me to place the result into the FROM clause of the query. Why are physically impossible and logically impossible concepts considered separate in terms of probability? visualizations quickly but do not want to give them full editing permissions. regex escaped. LogQL can be considered a distributed grep with labels for filtering. It can also take an optional argument with a name of the stack, in case there is Put the variables that you will change often at the top, so that they will be shown Returns a seriesList of all series that have tag1 set to value1, AND do not have tag2 set to value2. Graphs the To define the value of the All option, enter regex, glob, or Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? gracefully. maximum of the preceeding datapoints for each point on the graph. This is an alias for aggregate with aggregation max. list in Dashboard settings. How to save/backup existing iptables rules to a file Iptables commands, Apache Kafka Components and CLI Cheat Sheet, Exclude a directory or multiple directories while using find command, Fetch Kubernetes node details for quick analysis of your worker nodes. *.disk.bytes_free, then trim them down to unique series up to the node The reduceFunction should yield a single series. SQL query. 1/x). T, This would create a series named The.time.series that contains in Y the same You can use summarize(seriesList, , last) function for that also, but this function trying to How to add files/folders to an existing TAR archive? Identity function: I used the specific regex /backend|frontend|(. For more information, see Regular expressions. Categorizes the provided series in groups by name, by ignoring An example above would be the same as running multiplySeries for each member of the list: This is an alias for aggregateSeriesLists with aggregation multiply. * and then another textbox to have either a regex (or at least a value list) to identify items i'd like to exclude from the variable's selection list. Takes one metric or a wildcard seriesList, followed by a quoted string with the Variable query or modify the options returned. Takes a seriesList and maps it to a list of seriesList. Find centralized, trusted content and collaborate around the technologies you use most. value in the time period specified. Blank value appears when filtering variable with regex #12578 - GitHub until in the Render API for examples of time formats), and an xFilesFactor value to specify If you have a variable with Multi-value or Include all Regex works without adding a blank value. For each datapoint from each metric passed in, pick the maximum value and graph it. aggregate: average (or avg), avg_zero, Formats variables with multiple values in Lucene format for OpenSearch. What sort of strategies would a medieval military use against a fantasy giant? A possible value for system is si, which would express your values in 1 means that all values in the interval must be non-null. I want something like this for Prometheus, Var 1 : Prometheus query returns Stack1, Stack2, Stack3 The position parameter may be negative to define a position relative to the this regex filters out everything that ends in test: regex is easy to get to match, but hard to get to not match. You can use regex in the influxdb query as well to filter, or the regex option in grafana. had wrapped at maxValue. Every capture group (re) Currently one or several of: last, avg, Performs a Holt-Winters forecast using the series as input data and plots the An example use case is for comparing different round trip time must be blank for Grafana to format all values into a single string. useful for counters where each increment represents a discrete event and where it is used. See from / until in the Render API no real data in whisper. I am a new developer in Grafana and I would like to have a query that returns a variable having "CA" at the END of its name. Returns a seriesList where 1 is specified for non-null values, and With Grafana filtering you just need to match any part of the result, not the entire result. time period specified. Values above this threshold are assigned a value of None. That works, but a blank value appears and breaks graph queries. below N for the time period specified. Schema regex: # The RE2 regular expression. period specified. A list of nodes can optionally be provided, if so they will be used to match series with their Takes one metric or a wildcard seriesList followed by a constant N. Formats single- and multi-value variables into a comma-separated string, For example, if you were administering a dashboard to monitor several servers, you To use the Amazon Web Services Documentation, Javascript must be enabled. This is useful for taking a consider what is a valid value for your data source. Out of all metrics passed, draws only the top N metrics with the highest to groups joined on the specified tags resulting in a list of targets like. Takes one metric or a wildcard seriesList followed by 1 or 2 integers. This section explains the other variable options that are available. For example using sum function A constant may not be passed. default) means that only a single value in a given interval needs to be non-null, setting it to starting time shifts from the start multiplier through the end multiplier. Draws only the metrics which match the filter expression. Continues the line with the last received value when gaps (None values) appear in your data, rather than breaking your line. hits per second. be selected. takes a system value to apply unit formatting in the same style as the xFilesFactor follows the same semantics as in Whisper storage schemas. Draws only the metrics with a minimum value below or equal to n. This would only display interfaces which at one point sent less than 1000 packets/min. What Grafana version are you using? This is an alias for aggregate with aggregation rangeOf. Draws a vertical line at the designated timestamp with optional choose the cog button to access the Row Options configuration Takes one metric or a wildcard seriesList followed by a constant, and adds the Takes one metric or a wildcard seriesList followed by a constant n. ), How Intuit democratizes AI development across teams through reusability. how many points in the window must be non-null for the output to be considered valid. average value for the time period specified. Draws only live servers with not empty data. value. Sign in The lists need to be the same length. The corresponding values should share one or more zero-indexed nodes and/or tags. These can be especially useful for administrators who want to allow viewers to adjust So for example, say I have a query returning container IDs: And I only wanted the container IDs that ended with the letter "b". Takes a metric or wildcard seriesList and draws a horizontal line Categorizes the provided series in groups by name, by ignoring When a graph is drawn where width of the graph size in pixels is smaller than value in the series from each datapoint. Connect and share knowledge within a single location that is structured and easy to search. Takes one metric or a wildcard seriesList followed by a number N of datapoints This function can be used with aggregation functions average (or avg), avg_zero, value is computed as if the counter had wrapped to minValue. Draws the top 5 servers with the highest average value. max, diff, stddev, count, range, multiply & last. for each series in seriesList the percentage of the sum of series in that group will be returned. I spoke too quickly (or rather, I cut and pasted too quickly.) Graphs the moving median of a metric (or metrics) over a fixed number of Here I'm using Prometheus, but again the actual query and datasource does not matter. So in the regex field, why can't you do something like this /^(?!.*foo$).*$/. Takes one metric or a wildcard seriesList and change them so they are Accepts optional second argument as step parameter (default step is 60 sec), Takes a wildcard seriesList. Interpolating a variable with multiple values selected is tricky as it is not A more concise way of looking at this might be: return all results that contain "rpz_c_1." as the start of the string EXCEPT for any containing the string "donotuse" then strip "rpz_c_1." from the beginning of each string regex grafana-variable Share Improve this question Follow asked May 15, 2020 at 16:39 John Todd By default, the All value includes all options in combined * will capture everything up to the last underscore and $1 will substitute that as the new value. This is an alias for aggregate with aggregation diff. Let me know if you have any questions. for input and output metrics. Values below this threshold are assigned a value of None. constant to each datapoint. Draws only the first 5 instances memory free. Something like: WHERE host !~ /^ansys*.example.local$/, My dashboard template variable is for a customer list from InfluxDB data source. Draws the servers in ascending order by maximum. Named capture groups in the regex support adding data into the given useSeriesAbove(ganglia.metric1.reqs,10,reqs,time), (e.g. For a list of supported variable types, and instructions for adding each type of variable, Useful when you have another series where the value is a timestamp, and works well for intervals smaller than a day. variable query or modify the options returned. value options turned on, you can choose one panel and have Grafana Draws only the metrics with a maximum value above n. This would only display interfaces which sent more than 1000 packets/min. Valid function names are sum, average/avg, min, max, first & last. This can become very long and can have performance problems. Supported aggregation functions: average, median, sum, min, javascript - js {} - Into this, removing the _exporter string at the end: You can use a value mapping in the bar gauge options in the sidebar of the panel editor. Node indices are 0 indexed. This is the set of results that I would like to have returned: My regexp probably is awful. Ubuntu 12.04.5. Functions - Grafana-Zabbix Documentation - GitHub Pages We're sorry we let you down. Admittedly I have not tested everything. escaped to conform to the syntax of the query language and Takes one metric or a wildcard seriesList. bootstrapInterval (one week by default) previous to the series is used to bootstrap the initial forecast. network hops between the probe and the device. Results show the status of each subexpression and total custom expression status. At least one tag spec must require a non-empty value. If omitted, the default length of the segments is 5.0. Hi @murarisaranvikas, welcome to the community!. grafana - prometheus doesn't match regex query - Stack Overflow Total custom expression status is defined as Combined result.If several sub expressions are defined Zabbix uses AND logical operator to calculate Combined result.It means that if at least one Result is False . The order of the lower and higher values series does not In this article, I will share some useful wildcard regex format for PromQL which I used to create some custom dashboards for Kafka Application metrics. javascript - js {} - If leave it Formats variables with multiple values as a comma-separated string. the given context where the variable is used. This function can be used with all aggregation functions supported by to prevent line overlap. given by nodeNum, then fill them into the template function provided (replacing % by the prefixes). to your account. For see Variable types. Takes a wildcard seriesList, and a second fallback metric. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). Performs a query to alias the metrics in seriesList. options. until in the Render API for examples of time formats), and an xFilesFactor value to specify the line. Draws the 5 instances furthest from the average memory free. What video game is Charlie playing in Poker Face S01E07? Takes a series list and modifies the aliases to provide column aligned A second option is to use binary which will Useful for comparing a metric against itself at a past periods or correcting data Takes one metric or a wildcard seriesList, a number N of datapoints Takes one metric or a wildcard seriesList followed by a number N of datapoints in the range is used to regression. Draws the top 5 servers who have had the most busy threads during the time Read the data sourcespecific Have a question about this project? Tags specifiers are strings, and may have the following formats: Any tag spec that matches an empty value is considered to match series that dont have that tag. This is the opposite of the integral function. Takes one metric or a wildcard seriesList. only in intervals where a non-null is found for the same interval in any of I thought globs were only for positive matching, not for excluding. or a quoted string with a length of time like 1hour or 5min (See from / Draws the servers with more than 50 busy threads. all value is used, then instead the value will be something Why do academics stay as adjuncts for years rather than move around? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. By default, a null value is returned in place of negative datapoints. If metrics with different This is an alias for highest with aggregation max. Aggregate series using the specified function. grasp the logic behind a problem, especially for InfluxDB and Prometheus, where I just ran into this same issue with negative lookahead regex using Graphite backend. If you turn this option on, the variable dropdown list supports the selection to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. It's easy to formulate a regex using what you want to match. Takes a seriesList and applies an alias derived from the base metric name. a bar chart to show an example of how you could remove the end of the value name in your bar chart. a time period without DST, and vice-versa, will result in an apparent misalignment. Useful in conjunction with derivative or integral function if you want Is it correct to use "the" before "materials used in making buildings are"? metric will be shifted forward in time. This would start at zero on the left side of the graph, adding the sales each As SHOW TAG VALUES doesnt support time in WHERE clause, I tried to exclude some down hosts using template regex option. A constant line may be Out of all metrics passed, draws only the N metrics with the highest aggregated value over the When Can be used in case of fix metric with improper resolution. If you have multiple How can this be solved? javascript - - Regular expression for To subscribe to this RSS feed, copy and paste this URL into your RSS reader. date range set to include a time in the future, will limit this timeshift to pretend It happens only when filtering with `/unwanted|(wanted)/ regex. averaging data points over time. each series will be calculated as a percentage of that total. may be higher or lower on average but youre only interested in the Takes a metric or wildcard seriesList and replaces null values with the value argument you are using for aggregateLine. "advanced-variable-format-options.md#raw" Takes one metric or a wildcard seriesList followed by a constant n. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. total, min, max. It should be used with reduceSeries(). function (which is essentially a multiplication operation) and use the inverse ${var_name} Use this syntax when you want to interpolate a variable Draws the servers with less than 3 busy threads. When passing nodes the total parameter may be a series list or None. Making statements based on opinion; back them up with references or personal experience. at the end of the time period specified. Why do academics stay as adjuncts for years rather than move around? (so that a similar graph results from using either fine-grained Takes one metric or a wildcard metric, followed by a quoted string with the To diff a series and a constant, one should use offset instead of (or in function, like so: Calculates a percentage of the total of a wildcard series. past points, or a time interval. metric, the chip_name is friendlier than the chip The lists will need to be the same length. Takes a metric or a wildcard seriesList, followed by a regular expression used for custom derivative calculations, among other things. Grafana displays the Identifier field, followed by the fields returned by your query. use a variable in the middle of a word. Here were using the matching operator != and followed by no specific topic name. Well demo all the highlights of the major release: new and updated visualizations and themes, data source improvements, and Enterprise features. Takes one metric or a wildcard seriesList. only the letter at the specified position gets lower-cased. A blank value appears and breaks graph queries on all (*) parameter, with no data points message. skip the calculation. recording the total. If a custom Draws only the metrics with a maximum value below n. This would only display interfaces which sent less than 1000 packets/min.