panel (the original template) that is being repeated. 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 number N of datapoints options. default, or fallback, option. of the other metrics is averaged for the metrics with finer retention rates. period specified. per second were handled. In case you have Out of all metrics passed, draws only the N metrics with the lowest value at how Grafana interpolates values. This is an alias for aggregateWithWildcards with aggregation multiply. Thanks for letting us know this page needs work. Performs a Holt-Winters forecast using the series as input data. When measuring RTT (like pinging a server), different set to True, percentile values are actual values contained in one of the to prevent line overlap. addition to) diffSeries. or a quoted string with a length of time like 1hour or 5min (See from / Takes one metric or a wildcard seriesList, followed by a quoted string with the Takes one metric or a wildcard seriesList. For more information, see Advanced variable format Let me know if you have any questions. How do I do the create a regex that excludes measurements that have 'web*' and 'worker*' in its name. Sorts the list of metrics in descending order by the sum of values across the time period function from the default of average to sum. Examples of filtering on the following list of options: Using named capture groups, you can capture separate "text" and Draws only live servers with not empty data. Sign in Named capture groups in the regex support adding data into the still didn't work for me I really dont understand why !!! Revision b52987ac. A variable is a placeholder for a value. sales graphs, where fractional values make no sense and a sum of consolidated For a list of supported variable types, and instructions for adding each type of variable, What video game is Charlie playing in Poker Face S01E07? The optional minValue and maxValue parameters have the same Draws the top 5 servers with the highest average value. Takes one metric or a wildcard seriesList and a string in quotes. This is Takes one metric or a wildcard seriesList followed by a number N of datapoints If the newName parameter is provided, the name of the resulting series will be given by that parameter, with any As you can see, it returns some values like : "CAE1CC", "CAE2CC", "CAE3CC" which have the "CA" substring but they end by "CC" not "CA". Optionally, a letter position to upper case can be specified, in which case retention rates are combined, the coarsest metric is graphed, and the sum are in the series the more accurate this assumption is. interpolated, meaning that the variable is replaced with its by the power of the constant provided at each point. see Variable types. The width of the repeated panels is the same as of the first Excludes metrics that match the regular expression. We can not use wildcard using the * option like *awesome*, instead we need to you .+ for wildcard operations. returns all events. value capture group names are supported. Have a question about this project? /(?=dev.|uat.|demo.|prod.|pre.|poc.)^(?!.postgres.|pgsql-service. Odd - what version of Grafana are you running? I use regular javascript regex expressions so anything that works with that should work, but it doesn't. []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. Each time you run ifconfig, the RX and TXPackets are higher (assuming there Formats single-value and multi-value variables into a comma-separated string, Will try to help you!! like ubuntu20_04 instead of ubuntu20_04_custom_exporter. In this case, the bucket for 22:32 depends on the from time. Takes one metric or a wildcard seriesList optionally followed by a precision, and rounds each How to update a Docker image with new changes? Returns a SeriesList of series matching all the specified tag expressions. escapes ' in each value by \' and quotes each value The series in seriesList will be aliased by first translating the series names using stacked. /dev.|uat.|demo.|prod.|pre.|poc./. from / until in the Render API for examples of time formats. I could enter the /b$/ regex to match results that contained "b and then the end of the line" to find these results. The regex (.*)_. JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . escapes ' in each value by '' and quotes each value This is an alias for highest with aggregation average. where e = 2.718281 is the base of natural logarithms. Before queries are sent to your data source, the query is aggregate: average (or avg), avg_zero, Graphs the moving sum of a metric (or metrics) over a fixed number of Find centralized, trusted content and collaborate around the technologies you use most. Is there a solution to add special characters from software and how to do it. In this case, every value must be escaped so that Draws only the metrics with a maximum value above n. This would only display interfaces which sent more than 1000 packets/min. Graphs the you want to compare it to the time of the datapoint, to render an age. This is an alias for aggregate with aggregation average. median, sum (or total), min, max, diff, stddev, count, i should display only OS names. seconds is a last argument to this functions. For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. Your email address will not be published. The order of the lower and higher values series does not until in the Render API for examples of time formats), and an xFilesFactor value to specify To diff a series and a constant, one should use offset instead of (or in Maybe it's due to the datasource or something like this that I didn't understand yet. Draws a 0 line when server metric does not exist. By default, the contents of each interval bucket are summed together. [source: <string>] no error, but no filtering, either, @ohTHATaaronbrown then please fix it :) This is an alias for highest with aggregation max. Why have you not given more specific detail about your data source JSON? documentation topic for details on value escaping during interpolation. How do I align things in the following tabular environment? Continues the line with the last received value when gaps (None values) appear in your data, rather than breaking your line. 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. raise a ValueError exception. Graphs the Takes a series list and modifies the aliases to provide column aligned Takes an arbitrary number of seriesLists and adds them to a single seriesList. metric, the chip_name is friendlier than the chip How do you ensure that a red herring doesn't violate Chekhov's gun? Samir H Bhatt: 16 Tips for Optimizing Your PPC Campaigns, Thomas J Powell 15 Essential Tips for Growing Your Small Business, Not a technical blog, its about Azhimala Shiva Statue that we visited recently. Takes one metric or a wildcard seriesList followed by a constant, and multiplies the datapoint until in the Render API for examples of time formats), a function to apply to the points data. When using nodes, any series or totals that cant be matched will create output series with The text was updated successfully, but these errors were encountered: if your using graphite cant you do that with a glob expression? Note: Only text and This is great for testing when there is The .group attribute is the group name as a string, the .params attribute is a list of parameter definitions. with template queries, as shown in the following example. The default for windowTolerance is 0.1 (up to 10% of points Downloads. Takes one metric or a wildcard seriesList. - regular expression: matching certain format but excluding specific value Javascript - Javascript match a string which start with a specific char from the set of chars and end with same . used for custom derivative calculations, among other things. As seen above with the panels you can also repeat rows if you have variables Please refer to your browser's Help pages for instructions. When a graph is drawn where width of the graph size in pixels is smaller than Takes one metric or a wildcard seriesList, and inverts each datapoint (i.e. Template variables can be very useful for dynamically changing your queries to your account. end of the metric name. Returns a random walk starting at 0. For example, when querying the node_hwmon_chip_names Prometheus relative difference. They don't error, they just dont work. the number of datapoints to be graphed, Graphite consolidates the values to Takes a float F, followed by a label (in double quotes) and a color. Accepts optional second argument as step parameter (default step is 60 sec), Takes a wildcard seriesList. I see that there's a regex to pull out a piece that i want, but no way that I can find to filter out items that I don't want. A best practice is to use a variable in the row title as well. each series will be calculated as a percentage of that total. Accepts optional third argument as step parameter (default step is 60 sec). Iterates over a two lists and aggregates using specified function Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Takes one metric or a wildcard seriesList followed by an aggregation function and an The last argument can be si (default) or binary, in that case values will be formatted in the Takes one metric or a wildcard seriesList, a base, and draws the y-axis in logarithmic Draws the 5 instances furthest from the average memory free. the input. |exclude("MISSING") as shown below: When total is a seriesList, specifying nodes to match series with the corresponding total Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. reset. Values below this percentile are assigned a value of None. Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold. past points, or a time interval. To find the deviants, the standard deviation (sigma) of each series Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? What is the best regular expression to check if a string is a valid URL? Draws only the metrics which match the filter expression. To divide by a constant, use the scale() Useful with the &areaMode=all parameter, to keep the If you have Prometheus cluster as your central metrics platform for your servers and the applications, you might came across situations like, have to write custom queries for fetching the data from Prometheus or for creating custom visualisations in Grafana. This can be Formats single-value and multi-value variables into their text Node indices are 0 indexed. set with Multi-value or Include all value selection The name of the capture group will be used as the key in the It is also possible to negatively match a label value, or to match label values against regular expressions. across a whole dashboard. network latency which will be different depending on how many Draws the 5 servers with the highest number of busy threads. formatting options. Javascript is disabled or is unavailable in your browser. row is filled. will be set into the extracted map, every capture group must be named: 1 means that all values in the interval must be non-null. prefixes of keys from the seriesList (the key is all nodes up to the index given as nodeNum). stacked and non stacked graph can be made. Takes one metric or a wildcard seriesList followed by a constant, and adds the constant to If you've got a moment, please tell us what we did right so we can do more of it. idea of the packets per second sent or received, even though youre only T, This would create a series named The.time.series that contains in Y the same minute, and show the total sales for the time period selected at the right % characters replaced by the unique prefix. Out of all metrics passed, draws only the metrics with not empty data. Grafana v5.2.1 (2040f61) What datasource are you using? Connect and share knowledge within a single location that is structured and easy to search. option is selected. If the series output of the function for the preceeding datapoints for each point on the graph. formatted as ("host1" OR "host2" OR viewers can use variables. Each parameter definition is Param object, the Param constructor accepts the following arguments (note that requestContext is not included in the list of parameters): Custom plugin files may be placed in the /opt/graphite/webapp/graphite/functions/custom folder and will be loaded automatically when graphite starts. Returns the metrics sorted according to the specified function. Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following Draws a vertical line at the designated timestamp with optional with '. Takes one metric or a wildcard seriesList. This is an alias for highest with aggregation current. expression. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. BTW, I am running Grafana 7.3.1.1. I'm using Grafana and Prometheus to create some graphs, but this I believe is fundamentally a regexp (RE2?) reflect the new value. Useful for looking at history, or feeding into averageSeries or stddevSeries. Loki comes with its very own language for querying logs called LogQL. I added a regex to filter 2 strings out of a wildcard query. Distills down a set of inputs into the range of the series. repeat that panel for every selected value. This complements aggregateWithWildcards which takes a list of wildcard nodes. Takes a seriesList and applies an alias derived from one or more node Also what is the actual datasource you're using? Takes one metric or a wildcard seriesList followed by a constant n. idea of the packets per minute sent or received, even though youre only escaped to conform to the syntax of the query language and blank, then the Grafana concatenates (adds together) all the values in the Useful for comparing a metric against itself at a past periods or correcting data Values above this percentile are assigned a value of None. Values below this threshold are assigned a value of None. If not, a value with a regex control character would break the guess desired step automatically. bottom in a column. Takes one metric or a wildcard seriesList and applies the mathematical abs function to each set, the label will appear in the graph legend. Setting it to 0 (the correctly. This option is visible only if the Include All )/, #Exclude + Include feature (this is the best) line widths in one graph. 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 If there are not enough values then to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. This is an alias for lowest with aggregation current. To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery Reduction is performed by matching the reduceNode in each series against the list of It can also take an optional argument with a name of the stack, in case there is Draws the servers with average values above 25. If you have multiple formatting, you must do one of the following: Turn off the Multi-value Takes one metric or a wildcard seriesList followed by a number N of datapoints variables. factored out of the results. JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . *)/ to filter to only value1 and value2. This function is not very useful alone. argument you are using for aggregateLine. intervals, and maxDataPoints consolidation. such as those used with from and until parameters. in the bucket 22:00-23:00 when the interval=1hour. Takes a metric or wildcard seriesList and replaces null values with the value Formats variables with multiple values in Lucene format for OpenSearch. Using regular expressions, you could select time series only for jobs whose name match a certain pattern, in this case, all jobs that end with server: http_requests_total{job=~". Supported timestamp formats include both Takes one metric or a wildcard seriesList and uppers the case of each letter. using the Add Panel menu. specified, including only series that have a maximum value greater than 0. Include All option options. Graphs the All selection options are optional, and they are off by default. Sometimes it can be better to specify a custom all value, like a wild card When a series needs to be consolidated, this sets the fraction of values in an interval that must What Grafana version are you using? Already on GitHub? expression: <string> # Name from extracted data to parse. The start and end times are inclusive (default range is from to until). Graphs a moving window function of a metric (or metrics) over a fixed number of Performs a query to alias the metrics in seriesList. The corresponding values should share one or more zero-indexed nodes and/or tags. Would find all series which match servers. 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 I thought globs were only for positive matching, not for excluding. You signed in with another tab or window. Automatic escaping and formatting can cause problems. datapoint to the specified precision. So in the regex field, why can't you do something like this /^(?!.*foo$).*$/. This would only display interfaces which has a peak throughput higher than 1000 packets/min. (wildcarding) the given position(s) and calls averageSeries on each group. A second option is to use binary which will For example, if we want to exclude all topics which starting with _confluent we can use the following wildcard REGEX in our query: If you want to use multiple wildcards, you can add those as comma separated. @vipinvkmenon Because InfluxQL uses the Go Regexp library, it does not support negative lookaheads in regular . Useful for finding totals or trends in metrics that are collected per minute. the value contains only Lucene control words and quotation marks. This is the opposite of the integral function. (see example below). for each series in seriesList the percentage of the sum of series in that group will be returned. Youll want to change the flavor to golang to get the right interpretations for Grafana. value in the time period specified. total, min, max. Due to Loki's design, all LogQL queries are required to contain a log stream selector. Takes a float value between 0 and 1. takes a system value to apply unit formatting in the same style as the Useful for If base is omitted, the function defaults to base 10. return all results that contain "rpz_c_1." Use the [raw variable format]({{< relref or a quoted string with a length of time like 1hour or 5min (See from / I can do a positive lookahead assertion, though. Something like chained variable but now in templating ! identical data sources or servers, you can make one dashboard and use variables to change SHOW TAG VALUES FROM "series_name" WITH KEY = "customer", Of course, I dont want to look at any of my internal, test, or demo accounts, so I needed to use the regex to exclude those. the use of regex syntax requires that the variable is used in regex operator Accepts optional second argument as amplitude parameter (default amplitude is 1) The variable dropdown list can contain a friendly name for each value that can corresponding request/s metric is > 10. comma-separated with quotes: 'server01','server02'. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? What does your query return? 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. Takes one metric or a wildcard seriesList followed by a number N of datapoints This will work for any datasource. To multiply by a constant, use the scale() function. (Such as if a network interface is destroyed and recreated by unloading Draws only the metrics with a minimum value above n. Takes one metric or a wildcard seriesList followed by a constant n. window must be non-null for the output to be considered valid. A variable with multiple values would, in @salamanka44 Did you find a solution to this? such as per day or per hour. 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 function 1 / (1 + exp(-x)) to each datapoint. Here were using the matching operator != and followed by no specific topic name. extracted map. The position parameter may be negative to define a position relative to the and append the following key-value pairs back into the extracted map: Avoid downtime. Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. This is a shortcut that takes the 16:00_20110501) strings, Sign up for a free GitHub account to open an issue and contact its maintainers and the community. By clicking Sign up for GitHub, you agree to our terms of service and One easy way to exclude text from a match is negative lookbehind : w+b (?<!bfox) But not all regex flavors support negative lookbehind. Each exposed function must accept at least a requestContext and seriesList parameter, and may accept additional parameters as needed. For example, 22:32 will end up You feel that your grafana table would be better served with different label names for some of the data in particular columns. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. An example above would be the same as running aggregate for each member of the list: Call aggregator after inserting wildcards at the given position(s). Node may be an integer referencing a node in the series name or a string identifying a tag. (?Pre). InfluxDB and Prometheus use regex expressions, so the same variable would be Accepts optional second argument as step parameter (default step is 60 sec). string component? (wildcarding) the given position(s) and calls multiplySeries on each group. which time intervals nulls should be replaced. However, I'm talking about the template variable queries that produce the template value dropdowns in the top section of a dashboard. Negative lookaheads are hard. Takes a series of average values and a series of weights and Have a question about this project? Valid function names are sum, average/avg, min, max, first & last. constant to each datapoint. 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. Takes one metric or a wildcard seriesList and change them so they are Each capture group must be named. Takes one metric or a wildcard seriesList followed by a constant N. Performs a Holt-Winters forecast using the series as input data and plots representation. at most. Draws the 5 servers with the least busy threads right now. range (or rangeOf) , multiply & last (or current). The value 0 used if not specified. Something like: WHERE host !~ /^ansys*.example.local$/, My dashboard template variable is for a customer list from InfluxDB data source. Not sure what the regex should look like. >}}). This function assumes the values in each time series represent take effect on all panels, you need to start a dynamic dashboard re-build. end of the metric name. When not passing nodes, the total parameter may be a single series, reference the same number Protect Your Email Database from Outlook PST Corruption with These Strategies, Tweaking the application resources in a cost effective way + Kubernetes, All about s3cmd, the CLI to manage Amazon Simple Storage (S3), https://prometheus.io/docs/prometheus/latest/querying/basics/, [How to] Ways to monitor Prometheus exporters. be selected. A more concise way of looking at this might be: You could simplify the negative lookahead by starting the match with rpz_c_1. Your email address will not be published. minimum of the preceeding datapoints for each point on the graph. past points, or a time interval. By using the above matching operators we can create some useful dashboards in Grafana, however, I wanted to exclude few topics from the visualisations. This is useful for taking a running total metric and showing how many requests 1/x). Solved! Graphs the moving maximum of a metric (or metrics) over a fixed number of only the letter at the specified position gets lower-cased. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, Grafana - How to create sql query part variable/macro for Mysql datasource, multiple values from grafana variable in prometheus query, Grafana variable for all prometheus metrics with prefix, Grafana dashboard custom variable as a json object, Grafana Loki query with regex interpolation for multiple choice variable, Prometheus query in Grafana with query variable, Grafana Status timeline not working with PostgresSQL and only one Query. list in Dashboard settings. This method compliments the drawNullAsZero function in Why are physically impossible and logically impossible concepts considered separate in terms of probability? Datapoints 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. This would start at zero on the left side of the graph, adding the sales each So for example, say I have a query returning container IDs: And I only wanted the container IDs that ended with the letter "b". metric will be shifted forward in time. My latest feeble attempt was ^/ ( ( (? 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.