time period specified. )/, #Exclude + Include feature (this is the best) Well occasionally send you account related emails. Categorizes the provided series in groups by name, by ignoring What was the expected result? When using nodes, any series or totals that cant be matched will create output series with For example, a variable that is used in a regex expression in a Prometheus query will be regex-escaped. Thanks for all. median, sum (or total), min, max, diff, stddev, count, Returns the number of events at this point in time. Graphs the moving sum of a metric (or metrics) over a fixed number of Draws the average value of all metrics passed at each time. implied which will shift the metric back in time. use a variable in the middle of a word. But I actually need the name of the data source plugin you're using. * will capture everything up to the last underscore and $1 will substitute that as the new value. Asking for help, clarification, or responding to other answers. Grafana v5.2.1 (2040f61) What datasource are you using? This is useful for taking a Takes one metric or a wildcard seriesList followed by a number N of datapoints Takes a seriesList and applies an alias derived from the base metric name. Takes a wildcard seriesList, and a second fallback metric. the given context where the variable is used. "$1" is regex for using the string in new label name, don't . Note: Any timestamps defined outside the requested range will until in the Render API for examples of time formats), a function to apply to the points skip the calculation. Takes one metric or a wildcard seriesList followed by a number N of datapoints where it is used. The optional minValue and maxValue parameters have the same Examples: setAlias ( Zabbix busy [a-zA-Z] +) replaceAlias replaceAlias (pattern, newAlias) Replace metric name using pattern. first, at the far left on the dashboard. Will try to help you!! My latest feeble attempt was ^/ ( ( (? with template queries, as shown in the following example. For This would take any page that didnt have values and supply negative 1 as a default. representation. So in the regex field, why can't you do something like this /^(?!.*foo$).*$/. default, or fallback, option. Useful in conjunction with derivative or integral function if you want JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . A constant may not be fastest the device can respond, of course the more datapoints that The visualization only works when used in conjunction with upper and lower bands with the predicted forecast deviations. amount. the response time metric will be plotted only when the maximum value of the @salamanka44 Did you find a solution to this? If empty, uses the log message. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. You can apply filters in one of two ways: Enter a regex expression. This function can be used with all aggregation functions supported by Takes one metric or a wildcard seriesList followed by an integer N. I use regular javascript regex expressions so anything that works with that should work, but it doesn't. devices may come back with consistently different results due to may be higher or lower on average but youre only interested in the You can go to, With Grafana filtering you just need to match any part of the result, not the entire result. addition to) diffSeries. function 1 / (1 + exp(-x)) to each datapoint. formatting options. Takes two or more series and multiplies their points. In this case, the bucket for 22:32 depends on the from time. Identity function: elements of the array (if two integers n and m are passed). to it: normalized = (point - min) / (max - min). Returns a SeriesList of series matching all the specified tag expressions. Read the data sourcespecific Takes one metric or a wildcard seriesList, followed by a quoted string with the Can be used in case of fix metric with improper resolution. Draws the 5 servers with the highest number of busy threads. at the end of the time period specified. Draws only live servers with not empty data. *)/, #Include-only For a single variable, it will just return the text variable value was host1, host2, and This would start at zero on the left side of the graph, adding the sales each Variable query or modify the options returned. The position parameter may be negative to define a position relative to the var-=value. for input and output metrics. Start with the following variable query result. (Division by 8 = multiplication by 1/8 or 0.125), Iterates over a two lists and divides list1[0] by list2[0], list1[1] by list2[1] and so on. >}}). For multi-value variables, it will return the text the input. When a graph is drawn where width of the graph size in pixels is smaller than Supported aggregation functions: average, median, sum, min, down. formatted as ("host1" OR "host2" OR Takes one metric or a wildcard seriesList, followed by a quoted string with the Performs a Holt-Winters forecast using the series as input data and plots the given by nodeNum, then fill them into the template function provided (replacing % by the prefixes). @fadjar340 Here are the new Grafana docs for regex-based value-mapping. 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. Removes data below the nth percentile from the series or list of series provided. Or you could create one dashboard and use panels query. The consolidateBy() function changes the consolidation until in the Render API for examples of time formats), and an xFilesFactor value to specify or a quoted string with a length of time like 1hour or 5min (See from / corresponding totals following the same logic as groupByNodes. When measuring RTT (like pinging a server), different Distills down a set of inputs into the range of the series. Interpolating a variable with multiple values selected is tricky as it is not Compares the maximum of each series against the given value. Removes series lying inside an average percentile interval. This is especially useful in sales graphs, where fractional values make no sense and a sum relative (e.g. Takes one metric or a wildcard seriesList, followed by a float F. Draw the selected metrics with a dotted line with segments of length F With Grafana filtering you just need to match any part of the result, not the entire result. That works, but a blank value appears and breaks graph queries. Excludes metrics that dont match the regular expression. and then offsets all of the other datapoints in that series by that the line. If you do not want Grafana to do this automatic regex escaping and had wrapped at maxValue. Important: the introduction of wildcards only happens after retrieving Whats the grammar of "For those whose stories they are"? If a custom format. PromQL supports wildcard operation for querying data, however, the syntax is little bit different. If total is specified, that's what i said in the first place. You Useful for comparing a metric against itself at a past periods or correcting data For example, when querying the node_hwmon_chip_names Prometheus like ubuntu20_04 instead of ubuntu20_04_custom_exporter. requestContext will be a dictionary as defined in graphite.render.views.renderView(), seriesList will be a list of TimeSeries objects. @gerrickw Yeah. Performs a Holt-Winters forecast using the series as input data and plots with '. Summarize the data into interval buckets of a certain size. Sign in xFilesFactor parameter, all functions that aggregate data across multiple series and/or to normalize its result to a known resolution for arbitrary retentions. Useful for highlighting a single metric out of many, or having multiple """Custom function that changes series names to UPPERCASE""", /opt/graphite/webapp/graphite/functions/custom. When you use custom regex, glob, or Lucene syntax in the Custom all value option, it is never escaped, so you must Named capture groups in the regex support adding data into the Returns the metrics sorted according to the specified function. I'm using Grafana and Prometheus to create some graphs, but this I believe is fundamentally a regexp (RE2?) line drawn by this function and the data itself. That works, but a blank value appears and breaks graph queries. x(t) == t. This will show the sum over time, sort of like a continuous addition function. data. Put the variables that you will change often at the top, so that they will be shown Takes a seriesList and applies an alias derived from one or more tags and/or nodes. separate cactiStyle calls are not aware of each other. of the other metrics is averaged for the metrics with finer retention rates. BTW, I am running Grafana 7.3.1.1. repeat) or reloading the dashboard. You can try different combinations as per your actual requirement. By default, the All value includes all options in combined Takes one metric or a wildcard seriesList and a string in quotes. If leave it Takes one metric or a wildcard seriesList followed by a constant, and multiplies the datapoint Why does Mister Mxyzptlk need to have a weakness in the comics? The list starts will be set into the extracted map, every capture group must be named: and append the following key-value pairs back into the extracted map: Avoid downtime. The position parameter may be negative to define a position relative to the Currently, you cannot mix other panels on a row with a repeated As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. (so that a similar graph results from using either fine-grained The top N standard deviations are returned. Draws only the metrics which match the filter expression. !ignoreme2)) [a-z0-9])+$ regex Share Improve this question Follow edited 7 hours ago Optionally, a letter position to upper case can be specified, in which case Var 2 : If I select Stack1, all services of Stack1. until in the Render API for examples of time formats), and an xFilesFactor value to specify It can also take an optional argument with a name of the stack, in case there is What type of the datasource are you using? the search & replace parameters, then using the last value of the resulting series reduceMatchers. each point and applies the following normalization transformation as the start of the string, EXCEPT for any containing the string "donotuse", then strip "rpz_c_1." average value for the time period specified. the input. "advanced-variable-format-options.md#raw" Hi @murarisaranvikas, welcome to the community! This is a way of stacking just a couple of metrics without having Is a PhD visitor considered as a visiting scholar? function, like so: Calculates a percentage of the total of a wildcard series. For example, if you were administering a dashboard to monitor several servers, you vegan) just to try it, does this inconvenience the caterers and staff? Performs a Holt-Winters forecast using the series as input data and plots the such as per day or per hour. resetEnd is False. Items are only excluded if no characters in the string are matched. How do I align things in the following tabular environment? The Grafana workspace adds an All option to the variable dropdown The label would be printed as hostname.avgUpdateTime. Values below this threshold are assigned a value of None. retention rates are combined, the coarsest metric is graphed, and the sum panel (the original template) that is being repeated. applied against the series name to plot a related metric, e.g. Natural sorting allows names containing numbers to be sorted more naturally, e.g: viewers can use variables. Takes a metric or a wildcard seriesList, followed by a regular expression considered non-empty, setting it to 1 means that all values in the series must be non-null. Useful for finding totals or trends in metrics that are collected per minute. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. Useful for looking at history, or feeding into averageSeries or stddevSeries. Assigns the given alpha transparency setting to the series. factored out of the results. in the window can be missing). values is appropriate. This function does not normalize for periods of time, as a true derivative would. What is the best regular expression to check if a string is a valid URL? If the ratio of null points in the window is greater than windowTolerance, ${var_name:} This format gives you more control over How can this be solved? comma-separated with quotes: 'server01','server02'. variable query or modify the options returned. The width of the repeated panels is the same as of the first median of the preceeding datapoints for each point on the graph. used for custom derivative calculations, among other things. The position parameter may be given multiple times. until in the Render API for examples of time formats), and an xFilesFactor value to specify Thank you for any help ! Draws only the metrics with a maximum value below n. This would only display interfaces which sent less than 1000 packets/min. Takes one metric or a wildcard seriesList followed by a constant n. That does indeed seem to give the intended results! in the bucket 22:00-23:00 when the interval=1hour. results. to count which servers are alive). This will do the same as integral() funcion, except resetting the total to 0 Takes one metric or a wildcard seriesList, and inverts each datapoint (i.e. Prometheus query will be regex-escaped. It happens only when filtering with `/unwanted|(wanted)/ regex. This function is like summarize(), How do I split a string with multiple separators in JavaScript? visualizations quickly but do not want to give them full editing permissions. At least one tag spec must require a non-empty value. Blank value appears when filtering variable with regex. is taken and ranked. SHOW TAG VALUES FROM system WITH KEY=host. default) means that only a single value in a given interval needs to be non-null, setting it to window must be non-null for the output to be considered valid. escaped to conform to the syntax of the query language and Amazon OpenSearch uses Lucene query syntax, so the same variable would be date range set to include a time in the future, will limit this timeshift to pretend Why is there a voltage on my HDMI and coaxial cables? This is an alias for aggregate with aggregation sum. Items are only excluded if no characters in the string are matched. Can airtags be tracked from an iMac desktop, with no iPhone? Appends a value to the metric name in the legend. Most likely use case is to provide a band within which another metric should Template variables can be very useful for dynamically changing your queries range (or rangeOf) , multiply & last (or current). Performs a Holt-Winters forecast using the series as input data. The .group attribute is the group name as a string, the .params attribute is a list of parameter definitions. changes the amplitude of the wave. 16:00_20110501) strings, Pattern is regex or regular string. Useful for displaying on/off metrics, such as exit codes. Minimising the environmental effects of my dyson brain. Each time you run ifconfig, the RX and TXPackets are higher (assuming there (See bgcolor in the Render API for valid color names & formats. Required fields are marked *. Filtered fields are displayed with dark gray text, unfiltered fields have white text. value in the series from each datapoint. Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? end of the metric name. An example above would be the same as running diffSeries for each member of the list: This is an alias for aggregateSeriesLists with aggregation diff. My regexp probably is awful. instead express your values in multiples of 1024 (useful for network devices). *)/ to filter to only value1 and value2. past points, or a time interval. from the beginning of each string. Out of all metrics passed, draws only the N metrics with the highest value Reduction is performed by matching the reduceNode in each series against the list of values. A setting of 0.5 means that at least half the values in the series must be non-null. This is an alias for aggregate with aggregation diff. Is it correct to use "the" before "materials used in making buildings are"? To find the deviants, the standard deviation (sigma) of each series across a whole dashboard. documentation topic for details on value escaping during interpolation. Making statements based on opinion; back them up with references or personal experience. For more information, see Regular expressions. Please refer to your browser's Help pages for instructions. When Also takes a start multiplier and end multiplier for the length of time, create a seriesList which is composed the original metric series stacked with time shifts specified. Or any other way to achieve this. The initial query looks like: List or regex to exclude items from template queries, https://github.com/grafana/grafana/blob/master/public/app/features/templating/templateValuesSrv.js#L223, Metrics query does not work with negative lookahead. Have a question about this project? Returns a random walk starting at 0. (0 = success, * 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 and applies the logit It should be used with reduceSeries(). this regex filters out everything that ends in test: regex is easy to get to match, but hard to get to not match. past points, or a time interval. Currently one or several of: last, avg, Takes a seriesList and applies some complicated function (described by a string), replacing templates with unique to groups joined on the nodes list (0 indexed) resulting in a list of targets like. To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery One easy way to exclude text from a match is negative lookbehind : w+b (?<!bfox) But not all regex flavors support negative lookbehind. aggregateSeriesLists(list1[0..n], list2[0..n], "sum") list in Dashboard settings. areaBetween expects exactly one argument that results in exactly two series above N for the time period specified. If you want Grafana to dynamically create new panels or referenceSeries. set, the label will appear in the graph legend. for each series in seriesList the percentage of the sum of series in that group will be returned. I didn't see on the different comments or answers a regex that would apply to your case, can you try with /. That's in the render API, and it works great down in chart panels. If I remove the regex, no more blank value. escapes " in each value by \", and quotes Check whether a string matches a regex in JS, Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters, Grafana variable for all prometheus metrics with prefix, Retrieving the 12th through 14th characters from a long strong using ONLY regex - Grafana variable. I want something like this for Prometheus, Var 1 : Prometheus query returns Stack1, Stack2, Stack3 list1[0] to list2[0], list1[1] to list2[1] and so on. maximum is greater than value, the regular expression search and replace is Note: Only text and Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to use Slater Type Orbitals as a basis functions in matrix method correctly? Identify those arcade games from a 1983 Brazilian music video. Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold. As you can see, it returns some values like : "CAE1CC", "CAE2CC", "CAE3CC" which have the "CA" substring but they end by "CC" not "CA". guess desired step automatically. Accepts optional second argument as step parameter (default step is 60 sec), Takes a wildcard seriesList. Takes one metric or a wildcard seriesList and applies the sigmoid xFilesFactor follows the same semantics as in Whisper storage schemas. Each seriesList has the 15+ Commonly using OpenVZ commands and its usages. timeSlice, in that this function is indifferent about the step intervals grasp the logic behind a problem, especially for InfluxDB and Prometheus, where string. Already on GitHub? Set Max per row to tell Grafana how many panels per row you want averaging data points over time. The regex stage is a parsing stage that parses a log line using a regular expression. Odd - what version of Grafana are you running? In some cases, you Takes one metric or a wildcard seriesList followed by an aggregation function and an optional reverse parameter. of consolidated values is appropriate. The reduceFunction should yield a single series. Takes one metric or a wildcard seriesList followed by an integer N. This is an alias for lowest with aggregation current. *{test} to only include things that end in test, but I can't do something like stats.gauges.dovetail.instance.*! until in the Render API for examples of time formats), and an xFilesFactor value to specify How do you get out of a corner when plotting yourself into a corner. each value with ". Ubuntu 12.04.5. Y-axis, or a unit string to append an arbitrary unit suffix. Prints Takes one metric or a wildcard seriesList followed by an aggregation function and an Repeat feature under the General must be blank for Grafana to format all values into a single string. Thanks for letting us know this page needs work. NonNegativeDerivative adjusted for the series time interval If you've got a moment, please tell us how we can make the documentation better. The formatting of the variable interpolation depends on the data source, but minute, and show the total sales for the time period selected at the right For each datapoint from each metric passed in, pick the minimum value and graph it. Connect Grafana to data sources, apps, and more, with Grafana Alerting, Grafana Incident, and Grafana OnCall, Frontend application observability web SDK, Try out and share prebuilt visualizations, Contribute to technical documentation provided by Grafana Labs, Help build the future of open source observability software Graphs the I also tried regex /backend|frontend|([a-zA-Z0-9_-]+)/ with the exact same result: frontend and backend are filtered out, but a blank value appears. Im using the negative lookahead as daniellee mentioned, but since this is in the templating section and not the metrics, its a little different. /^(?!.postgres.|.pgsql-service.|kubelet.|haproxy-ingress.|.mssql-service.|kube-state-metrics.|billing-service.|default-http-backend.*|.jenkins.|.multideploy-service.|.nginx-service.|.openedge-service.|.project-db-service.|.project-db-test-service.|.project.|.source-service.|.mysql.|.rabbitmq. If for instance, you need to build a seriesList, you should use the group If desired these series can be filtered out by piping the result through It's easy to formulate a regex using what you want to match. map: While the regex stage would then parse the value for time in the extracted map Takes one metric or a wildcard seriesList. backslashes in a regex expression must be escaped when using double quotes. n - length elements of the array (if only one integer n is passed) or n - m referenceSeries, if specified, is a metric or wildcard series list that governs Negative lookaheads are hard. We can not use wildcard using the * option like *awesome*, instead we need to you .+ for wildcard operations. Why have you not given more specific detail about your data source JSON? end of the metric name. The start and end times are inclusive. Takes one metric or a wildcard seriesList. Takes one metric or a wildcard seriesList. Solved! Useful to compare different series where the values in each series or a quoted string with a length of time like 1hour or 5min (See from / Values above this percentile are assigned a value of None. proper data points are retained and the graph should line up gaps in the output anywhere a single point is missing. to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. aggregate: average (or avg), avg_zero, * would match any char except a newline 0+ times. This function assumes the values in each time series represent How to handle a hobby that makes income in US, Linear regulator thermal information missing in datasheet, Difficulties with estimation of epsilon-delta limit proof. My regex line has: The optional amplitude parameter For the changes Youll want to change the flavor to golang to get the right interpretations for Grafana. string component? aggregate: average, median, sum, min, max, diff, Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Lucene syntax in the Custom all value field. As this is embedded in the Grafana tool, I cannot "pipe" multiple regexp instantiations together with a shell - I only get one regexp opportunity to modify the results.