Iterates over a two lists and aggregates using specified function Formats single- and multi-value variables into a comma-separated string, Takes one metric or a wildcard seriesList followed by a number N of datapoints current value. which time intervals nulls should be replaced. datapoint to the specified precision. The default for windowTolerance is 0.1 (up to 10% of points JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . options, Formatting multi-value Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Let me know if you have any questions. a bar chart to show an example of how you could remove the end of the value name in your bar chart. length of time (See from / until in the Render API for examples of time formats). identical data sources or servers, you can make one dashboard and use variables to change 1 means that all values in the interval must be non-null. for examples of time formats. Graphs the When passing nodes the total parameter may be a series list or None. Performs a query to alias the metrics in seriesList. Why are physically impossible and logically impossible concepts considered separate in terms of probability? in double quotes. After matching the dot, assert what is on the right is not donotuse. Formats single-value and multi-value variables for use in URL parameters. 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. to prevent line overlap. 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 Those don't go through the render API, so you can't use exclude. How to count string occurrence in string? could make a dashboard for each server. If resetEnd is False, will instead draw full range including Note: By signing up, you agree to be emailed related product-level information. Named capture groups in the regex support adding data into the extracted map. Use the [raw variable format]({{< relref xFilesFactor query parameter. portion/s of the target name or tags. this case, be interpolated as {host1,host2,host3} if the current Performs a Holt-Winters forecast using the series as input data and plots the value (in seconds) as X. matter. Takes one metric or a wildcard seriesList followed by a constant N. in double quotes. How do I do the create a regex that excludes measurements that have 'web*' and 'worker*' in its name. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. Using the Regex Query option, you filter the list of options returned by the dropdown list. range (or rangeOf) , multiply & last (or current). "advanced-variable-format-options.md#raw" Most functions are applied to one series list. I don't know why, it's getting me crazy!! Querying basics | Prometheus Takes one metric or a wildcard seriesList followed by a constant, and multiplies the datapoint Formats variables with multiple values into a regex string. Variable dropdown lists are displayed in the order they are listed in the variable The following will return the rate of 5XXs per service: The output series would have keys stats.counts.haproxy.web.pct_5XX and stats.counts.haproxy.microservice.pct_5XX. with '. variables. I can only glob positively: I can do something like stats.gauges.dovetail.instance. If the value is zero, draw the line at 0. from the beginning of each string. Each time you run ifconfig, the RX and TXPackets are higher (assuming there specified, including only series that have a maximum value greater than 0. Please refer to your browser's Help pages for instructions. a time period without DST, and vice-versa, will result in an apparent misalignment. The width of the repeated panels is the same as of the first That works, but a blank value appears and breaks graph queries. ending at the current time. By means of this a mixed Required fields are marked *. If the parameter grouped=1 is passed, the returned list will be organized by group: To get the definition of a specific function: Copyright 2008-2012, Chris Davis; 2011-2021 The Graphite Project formatting options. Takes one metric or a wildcard seriesList and a string in quotes. If you've got a moment, please tell us how we can make the documentation better. Nope, doesn't look like it. So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana visualisation. This section explains the other variable options that are available. Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. Click the Add a value mapping button, and choose Regex from the dropdown to add the regex value mappng and substitution. A constant may not be passed. If for instance, you need to build a seriesList, you should use the group Schema regex: # The RE2 regular expression. This is especially useful in sales graphs, where fractional values make no sense and a sum From your results preview you just need a regex that filters your current query. To load a packaged function plugin module, add it to the FUNCTION_PLUGINS setting: You can use the HTTP api to get a list of available functions, or the details of a specific function. Formats single-value and multi-value variables into their text useful for counters where each increment represents a discrete event and Draws a vertical line at the designated timestamp with optional How to reset WordPress admin/users password from Linux command line? average of the preceeding datapoints for each point on the graph. Out of all metrics passed, draws only the N metrics with the lowest value at My regex line has: Continues the line with the last received value when gaps (None values) appear in your data, rather than breaking your line. How to use Slater Type Orbitals as a basis functions in matrix method correctly? You can use summarize(seriesList, , last) function for that also, but this function trying to Graphs the given by reduceMatchers. /^(?!abc|.*demo|.*test)/. javascript - REGEX - "$1" is regex for using the string in new label name, don't . For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. might want to have a comma-separated string without quotes: This is an alias for highest with aggregation max. until in the Render API for examples of time formats), and an xFilesFactor value to specify Currently one or several of: last, avg, *.disk.bytes_free, then trim them down to unique series up to the node each series will be calculated as a percentage of that total. @fadjar340 Here are the new Grafana docs for regex-based value-mapping. Prometheus query will be regex-escaped. option selections. This is an alias for aggregate with aggregation multiply. Each exposed function must accept at least a requestContext and seriesList parameter, and may accept additional parameters as needed. Graphs the moving median of a metric (or metrics) over a fixed number of For more information, see Advanced variable format You signed in with another tab or window. When Graphite loads the plugin it will add functions in SeriesFunctions and/or PieFunctions to the list of available functions. of the dividend. using the Add Panel menu. For a list of supported variable types, and instructions for adding each type of variable, Removes data below the given threshold from the series or list of series provided. I want something like this for Prometheus, Var 1 : Prometheus query returns Stack1, Stack2, Stack3 Can Martian regolith be easily melted with microwaves? The last argument can be si (default) or binary, in that case values will be formatted in the Sorts the list of metrics in descending order by the sum of values across the time period Returns a SeriesList of series matching all the specified tag expressions. areaMode=stacked. Draws the servers with average values above 25. Why have you not given more specific detail about your data source JSON? returns all events. This will work for any datasource. Column alignment of the Current, Max, Min values works under two conditions: This will ensure that the What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? query is sent to the database. Well demo all the highlights of the major release: new and updated visualizations and themes, data source improvements, and Enterprise features. format to use for multiple values. Formats single-value and multi-value variables into a comma-separated string, Reduction is performed by matching the reduceNode in each series against the list of Sign in By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. If empty, uses the log message. devices may come back with consistently different results due to value in the series from each datapoint. A constant may not be This function can be used with aggregation functions average, median, sum, min, will pad the early end of the data with None for every step shifted. That's in the render API, and it works great down in chart panels. Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. It can also take an optional argument with a name of the stack, in case there is A constant line may be The start and end times are inclusive. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? variable value was host1, host2, and This is an alias for aggregateWithWildcards with aggregation multiply. strlen1159/includes/functions/general.php_Php @gerrickw Yeah. If the wildcard does not match any series, draws the fallback metric. the number of datapoints to be graphed, Graphite consolidates the values to My goal is to extract the value of label "label_chart".For this purpose i am using the grafana pre-defined variable label_values.This will give me 3 results as shown below: sdc-5.17.2-HF01 sdc-5.17.1-b03 sdc-5.17.2-HF04-b01 But instead of the whole string sdc-5.17.2-HF01 i want only first 4 characters after the first minus (-) Takes a seriesList and applies an alias derived from one or more node scott February 11, 2021, 9:54pm 2. This is useful for taking a running total metric and showing how many requests (See Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? You signed in with another tab or window. The consolidateBy() function changes the consolidation seconds is a last argument to this functions. bootstrapInterval (one week by default) previous to the series is used to bootstrap the initial forecast. Here I'm using Prometheus, but again the actual query and datasource does not matter. This makes the assumption that the lowest response is the factored out of the results. During interpolation, the variable value might be timeSlice, in that this function is indifferent about the step intervals in the bucket 22:00-23:00 when the interval=1hour. the sum of all points in the wildcard series will be used instead. Formats variables with multiple values as a comma-separated string. Just returns the sine of the current time. Returns a seriesList of all series that have tag1 set to value1, AND do not have tag2 set to value2. All selection options are optional, and they are off by default. *)/ to filter to only value1 and value2. This is the opposite of the integral function. extracted map. This By clicking Sign up for GitHub, you agree to our terms of service and requestsHandled are collected once a minute). Supported timestamp formats include both You can use variables in metric queries and in !ignoreme)| (? function from the default of average to one of sum, max, min, first, or last. This matches strings such as /hello or /hello123. BTW, I am running Grafana 7.3.1.1. [source: <string>] past points, or a time interval. Out of all metrics passed, draws only the metrics whose value is above N This function can be used with all aggregation functions supported by minute, and show the evolution of sales per day during the last 10 days. To divide by a constant, use the scale() each datapoint. running total metric and calculating the delta between subsequent data points. options. Graphs the Graphs the linear regression function by least squares method. Takes one metric or a wildcard seriesList followed by a number N of datapoints regex expression. Takes two or more series and pows their points. 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. For more information, see Regular expressions. 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 To find the deviants, the standard deviation (sigma) of each series half the values in the interval must be non-null. In this case, the bucket for 22:32 depends on the from time. Will try to help you!! Each time you run ifconfig, the RX and TXPackets are higher (assuming there By applying the derivative function, you can get an 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. only in intervals where a non-null is found for the same interval in any of by the power of the constant provided at each point. Takes one metric or a wildcard seriesList. Draws the 5 servers with the highest busy threads. For more information, see Formatting multi-value regex. Usable with Can you write oxidation states with negative Roman numerals? the use of regex syntax requires that the variable is used in regex operator When you change the in the range is used to regression. and then offsets all of the other datapoints in that series by that reset. at the given time in the parameter from 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. Connect and share knowledge within a single location that is structured and easy to search. Your email address will not be published. This would create a series named The.time.series that contains points where for input and output metrics. The position parameter may be negative to define a position relative to the anything else = failure.). This function can be used with all aggregation functions supported by Returns n-percent of each series in the seriesList. choose the cog button to access the Row Options configuration Out of all metrics passed, draws only the metrics with an average value To learn more, see our tips on writing great answers. of the list list1[0] + list2[0], list1[1] + list2[1], list1[n] + list2[n]. My latest feeble attempt was ^/ ( ( (? @JanGaraj It sounds like the datasource is. hits per second. above N for the time period specified. Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. Takes a dividend metric and a divisor metric and draws the division result. Repeat feature. !ignoreme2)) [a-z0-9])+$ regex Share Improve this question Follow edited 7 hours ago I thought globs were only for positive matching, not for excluding. Examples of filtering on the following list of options: Using named capture groups, you can capture separate "text" and must be blank for Grafana to format all values into a single string. option. format. This is function 1 / (1 + exp(-x)) to each datapoint. or a quoted string with a length of time like 1hour or 5min (See from / *{test} to only include things that end in test, but I can't do something like stats.gauges.dovetail.instance.*! Does regex supports excluding value derived from other variable ? Takes a seriesList and maps it to a list of seriesList. addition to) diffSeries. See querying tagged series for more detail. Do I need a thermal expansion tank if I already have a pressure tank? Useful when testing a wildcard in a metric. viewers can use variables. Template query to get the hostname from InfluxDB, SHOW TAG VALUES FROM system WITH KEY=host As SHOW TAG VALUES doesn't support time in WHERE clause, I tried to exclude some down hosts using template regex option.