by the power of the constant provided at each point. function from the default of average to one of sum, max, min, first, or last. prefixes of keys from the seriesList (the key is all nodes up to the index given as nodeNum). -3h) and absolute (e.g. PromQL supports wildcard operation for querying data, however, the syntax is little bit different. Takes one metric or a wildcard seriesList followed by a constant, and multiplies the datapoint This is the set of results that I would like to have returned: My regexp probably is awful. A setting of 0.5 means that at least half the values in the series must be non-null. or coarse-grained records) and handles rarely-occurring events A setting of 0.5 means that at least /dev.|uat.|demo.|prod.|pre.|poc./. I added a regex to filter 2 strings out of a wildcard query. to construct the alias using sprintf-style syntax. Formats single-value and multi-value variables into a comma-separated string, Each capture group must be named. server01,server02. With variables, you can reuse a single dashboard for Filtered fields are displayed with dark gray text, unfiltered fields have white text. Takes one metric or a wildcard seriesList, and inverts each datapoint (i.e. For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Put the variables that you will change often at the top, so that they will be shown Performs a Holt-Winters forecast using the series as input data and plots the hits per second. how Grafana interpolates values. This is great for testing when there is None will be returned for that interval. This function can be used with aggregation functions average, median, sum, min, Theoretically Correct vs Practical Notation. with '. Render API. When using nodes, any series or totals that cant be matched will create output series with Draws the standard deviation of all metrics passed at each time. 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. all your services. results. It can also take an optional argument with a name of the stack, in case there is How can I fix this pleaase ? Read the data sourcespecific Email update@grafana.com for help. This function can be used with aggregation functions average, median, sum, min , max, diff, stddev, count, range, multiply & last. Takes one metric or a wildcard seriesList followed by an integer N. How to reset WordPress admin/users password from Linux command line? Accepts optional second argument as amplitude parameter (default amplitude is 1) (i mean without using the "regex field" ??? only the letter at the specified position gets lower-cased. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. Grafana InfluxDB templating, regex user2325 May 24, 2017, 2:57pm 1 I tried to exclude some hostname from the templating output. Sorts the list of metrics by the metric name using either alphabetical order or natural sorting. that's what i said in the first place. be selected. Am I missing something there? And here is an example, using your data. The top N standard deviations are returned. For multi-value variables, it will return the text Also what is the actual datasource you're using? The initial query looks like: argument you are using for aggregateLine. should use the consolidateBy() function with the same function Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. The variable dropdown list can contain a friendly name for each value that can how many points in the window must be non-null for the output to be considered valid. A best practice is to use a variable in the row title as well. /^(?!abc|.*demo|.*test)/. This function does not normalize for periods of time, as a true derivative would. For each datapoint from each metric passed in, pick the minimum value and graph it. If at the end of the time period specified. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? The series in seriesList will be aliased by first translating the series names using (?Pre). Returns a SeriesList of series matching all the specified tag expressions. with template queries, as shown in the following example. This will ensure that the For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. All selection options are optional, and they are off by default. to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. comma-separated with quotes: 'server01','server02'. The optional minValue and maxValue parameters have the same Useful for finding totals or trends in metrics that are collected per minute. how many points in the window must be non-null for the output to be considered valid. in the range is used to regression. Template variables can be very useful for dynamically changing your queries Takes a serieslist and maps a callback to subgroups within as defined by multiple tags, Would return multiple series which are each the result of applying the averageSeries function Graphite uses glob expressions. This post in the community has a lot of great information about how to use the value mapping feature with regex to edit values that show up in your graph.. Odd - what version of Grafana are you running? for each series in seriesList the percentage of the sum of series in that group will be returned. Takes one metric or a wildcard seriesList followed by a number N of datapoints A constant may not be passed. Draws the servers with less than 3 busy threads. This is especially useful in median, sum (or total), min, max, diff, stddev, count, dropdown list. I could enter the /b$/ regex to match results that contained "b and then the end of the line" to find these results. OK, I think I finally figured out the problem, and it's operator-headspace. question. replace double slashes with single slashes. there are some situations where you might want to change the default formatting. For example, a variable that is used in a regex expression in a Thanks for letting us know this page needs work. Not the answer you're looking for? value of 1, or the &lineWidth=X.X parameter. You can create dynamic dashboards using template variables. Template query to get the hostname from InfluxDB, Note: Only text and used for custom derivative calculations, among other things. So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana . sum of the preceeding datapoints for each point on the graph. Takes one metric or a wildcard seriesList followed by a constant, and adds the requestsHandled are collected once a minute). Regex works without adding a blank value. this regex filters out everything that ends in test: regex is easy to get to match, but hard to get to not match. first, at the far left on the dashboard. Takes one metric or a wildcard seriesList followed by a number N of datapoints of multiple options at the same time. When you click Add value mappings it opens with a default Value mapping not Regex. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Making statements based on opinion; back them up with references or personal experience. Have a question about this project? regex. Takes one metric or a wildcard seriesList and applies the mathematical abs function to each The following label matching operators exist: Consider the example below (a part of data in Prometheus): These are few entries that fetched using the following query: This actually fetch the Messages In on all the topics. to prevent line overlap. Draws only the metrics with a maximum value below n. This would only display interfaces which sent less than 1000 packets/min. cannot repeat a panel zero times to hide it. values. The formatting of the variable interpolation depends on the data source, but Takes a seriesList and applies some complicated function (described by a string), replacing templates with unique Excludes metrics that dont match the regular expression. A basic LogQL query consists of two parts: the log stream selector and a filter expression. period specified. This function is not very useful alone. I'm trying to write a prometheus query in grafana that will select visits_total {route!~"/api/docs/*"} What I'm trying to say is that it should select all the instances where the route doesn't match /api/docs/* (regex) but this isn't working. Takes a metric or wildcard seriesList and draws a horizontal line I've tried a few variants but can't seem to get any to work! Each time you run ifconfig, the RX and TXPackets are higher (assuming there panel. This is an alias for highest with aggregation average. Takes one metric or a wildcard seriesList followed by an integer N. Out of all metrics passed, draws only the N metrics with the highest maximum Output 1 when the value changed, 0 when null or the same, Assigns the given color to the seriesList. average value for the time period specified. To multiply by a constant, use the scale() function. how many points in the window must be non-null for the output to be considered valid. Out of all metrics passed, draws only the top N metrics with the highest A blank value appears and breaks graph queries on all (*) parameter, with no data points message. running total metric and calculating the delta between subsequent data points. If there are not enough values then Formats variables with multiple values into a glob (for Graphite queries). Using the Regex Query option, you filter the list of options returned by the metric queries, you can use variables in their place. constant to each datapoint. Takes one metric or a wildcard seriesList, followed by a quoted string with the Why is there a voltage on my HDMI and coaxial cables? by the constant provided at each point. Minimising the environmental effects of my dyson brain. you want to compare it to the time of the datapoint, to render an age. Specifying average instead will return the mean for each bucket, which can be more extracted map. value is computed as if the counter had wrapped to minValue. When I first saw this PR get merged, I was so excited. what you are viewing. Performs a Holt-Winters forecast using the series as input data and plots Named capture groups in the regex support adding data into the interpolated as (host1|host2|host3). These can be especially useful for administrators who want to allow viewers to adjust Distills down a set of inputs into the range of the series. To learn more, see our tips on writing great answers. across a whole dashboard. Iterates over a two lists and aggregates using specified function The tags as stored do have meaning (e.g. per second were handled. Instead see the perSecond() function to calculate a rate of change over time. To define the value of the All option, enter regex, glob, or Takes one metric or a wildcard seriesList and an xFilesFactor value between 0 and 1. Supported operators: =, !=, >, >=, < & <=. I think we could definitely use more examples, so I mocked up your query with CSV data and a bar chart to show an example of how you could remove the end of the value name in your bar chart. referenceSeries. Draws servers with low disk space, and servers with highly deviant disk space, but never the same series twice. Draws only the first 5 instances memory free. Interpolating a variable with multiple values selected is tricky as it is not returns all events. What is the best regular expression to check if a string is a valid URL? Draws the servers with average values above 25. Takes one metric or a wildcard seriesList. Thank you for any help ! Takes one metric or a wildcard seriesList and change them so they are The width of the repeated panels is the same as of the first Graphs the moving sum of a metric (or metrics) over a fixed number of how many points in the window must be non-null for the output to be considered valid. Variables give you the ability to create more interactive and dynamic By clicking Sign up for GitHub, you agree to our terms of service and Results show the status of each subexpression and total custom expression status. If a custom Nope, doesn't look like it. To do this, use the following advanced variable drawAsInfinite. You signed in with another tab or window. which time intervals nulls should be replaced. This would start at zero on the left side of the graph, adding the sales each Takes one metric or a wildcard seriesList followed by a constant, and adds the constant to Optionally The position parameter may be negative to define a position relative to the []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. (e.g. format to use for multiple values. This shifts all samples later by an integer number of steps. This is a shortcut that takes the referenceSeries, if specified, is a metric or wildcard series list that governs Just returns the sine of the current time. (0 = success, Why are physically impossible and logically impossible concepts considered separate in terms of probability? - Natural sorting: server1, server2, server11, server12. meaning as in nonNegativeDerivative. * will capture everything up to the last underscore and $1 will substitute that as the new value. past points, or a time interval. Regular expression for alphanumeric and underscores. The lists need to be the same length. This computes the change in server free space as a percentage of the previous in double quotes. Raise e to the power of the datapoint, Your email address will not be published. Graph the series on the secondary Y axis. (so that a similar graph results from using either fine-grained Youll want to change the flavor to golang to get the right interpretations for Grafana. )/, #Exclude + Include feature (this is the best) Iterates over a two lists and subtracts series lists 2 through n from series 1 To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery panel. If the value is null or less than zero, do not draw Graphs the moving maximum of a metric (or metrics) over a fixed number of When a graph is drawn where width of the graph size in pixels is smaller than separate cactiStyle calls are not aware of each other. regex escaped. *)/, #Include-only might want to have a comma-separated string without quotes: If the newName parameter is provided, the name of the resulting series will be given by that parameter, with any Repeat feature under the General Takes one metric or a wildcard seriesList followed by an integer N. the value contains only Lucene control words and quotation marks. If no sign is given, a minus sign ( - ) is until in the Render API for examples of time formats), a function to apply to the points xFilesFactor query parameter. What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? This is a way of stacking just a couple of metrics without having expression. Sorry, an error occurred. the response time metric will be plotted only when the maximum value of the A function plugin is simply a file defining one or more functions and exporting dictionaries of SeriesFunctions and/or PieFunctions. Something like: WHERE host !~ /^ansys*.example.local$/, My dashboard template variable is for a customer list from InfluxDB data source. specified. upper and lower bands with the predicted forecast deviations. not be null for the consolidation to be considered valid. had wrapped at maxValue. works well for intervals smaller than a day. Why do academics stay as adjuncts for years rather than move around? using the Add Panel menu. window must be non-null for the output to be considered valid. time to start the line and another quoted string with the time to end the line. of series as seriesList or be a numeric value. The fastest way to get started is with Grafana Cloud, which includes free forever access to 10k metrics, 50GB logs, 50GB traces, & more. and then offsets all of the other datapoints in that series by that The text was updated successfully, but these errors were encountered: All reactions Copy link Member torkelo . Using Kolmogorov complexity to measure difficulty of problems? That does indeed seem to give the intended results! to your account. percentileOfSeries returns a single series which is composed of the n-percentile example, 8am might be overlaid with 7am. time period specified. Here I'm using Prometheus, but again the actual query and datasource does not matter. where e = 2.718281 is the base of natural logarithms. https://github.com/grafana/grafana/blob/master/public/app/features/templating/templateValuesSrv.js#L223. Formats single-value and multi-value variables for use in URL parameters. Takes one metric or a wildcard seriesList followed by a constant N. Draw the Standard Deviation of all metrics passed for the past N datapoints. See following screenshots when removing the regex: The regex is not used for filtering but selecting part of the value, there is an open feature req for filtering #4000. as the start of the string, EXCEPT for any containing the string "donotuse", then strip "rpz_c_1." 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. is taken and ranked. For example, 22:32 will end up I use regular javascript regex expressions so anything that works with that should work, but it doesn't. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. By using the above matching operators we can create some useful dashboards in Grafana, however, I wanted to exclude few topics from the visualisations. Every capture group (re) Schema regex: # The RE2 regular expression. Estimate hit counts from a list of time series. Returns a seriesList of all series that have tag1 set to value1, AND do not have tag2 set to value2. 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 . consider what is a valid value for your data source. Because of this when using Not sure what the regex should look like. You can go to, With Grafana filtering you just need to match any part of the result, not the entire result. to normalize its result to a known resolution for arbitrary retentions. output with Current, Max, and Min values in the style of cacti. each point and applies the following normalization transformation