network latency which will be different depending on how many If there are not enough values then By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The default for windowTolerance is 0.1 (up to 10% of points as the start of the string, EXCEPT for any containing the string "donotuse", then strip "rpz_c_1." Takes a seriesList and maps it to a list of seriesList. Useful in conjunction with derivative or integral function if you want the line. By using variables and templates, you can single-source dashboards. To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery Formats single- and multi-value variables into a comma-separated string, - Alphabetical sorting: server1, server11, server12, server2 Optionally to construct the alias using sprintf-style syntax. metric queries, you can use variables in their place. Not the answer you're looking for? !ignoreme2)) [a-z0-9])+$ regex Share Improve this question Follow edited 7 hours ago That works, but a blank value appears and breaks graph queries. values taken across a wildcard series at each point. in double quotes. panel titles. repeat) or reloading the dashboard. query is sent to the database. If the value is above zero, draw This is an alias for aggregate with aggregation diff. Then each series is passed to the reduceFunction as arguments in the order Would find all series which match servers. could make a dashboard for each server. Sorts the list of metrics in descending order by the sum of values across the time period can use group() to combine them before applying cactiStyle, such as: Takes one metric or a wildcard seriesList. question. Returns the metrics sorted according to the specified function. Not the answer you're looking for? Render API. grasp the logic behind a problem, especially for InfluxDB and Prometheus, where Is it correct to use "the" before "materials used in making buildings are"? Draws the 5 servers with the highest busy threads. Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. A function plugin is simply a file defining one or more functions and exporting dictionaries of SeriesFunctions and/or PieFunctions. The initial query looks like: How do I remove all non alphanumeric characters from a string except dash? Thanks for letting us know this page needs work. This function is like summarize(), values is appropriate. Takes one metric or a wildcard seriesList and a consolidation function name. Every value would also be in the range is used to regression. Functions are For in double quotes. value options turned on, you can choose one panel and have Grafana I thought globs were only for positive matching, not for excluding. The regex stage is a parsing stage that parses a log line using a regular expression. http://graphite.readthedocs.org/en/latest/functions.html#graphite.render.functions.exclude. escaped to conform to the syntax of the query language and A list of nodes can optionally be provided, if so they will be used to match series with their The tags as stored do have meaning (e.g. 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. extracted map. This is useful for taking a - Jacob Colvin Nov 29, 2020 at 19:56 Add a comment Your Answer Post Your Answer interpolated as (host1|host2|host3). Takes one metric or a wildcard seriesList followed by a number N of datapoints optional reverse parameter. function for aggregateLine, this can cause an unusual gap in the The position parameter may be given multiple times. Not sure what the regex should look like. To do this, use the following advanced variable Takes one metric or a wildcard seriesList and applies the logit set to True, percentile values are actual values contained in one of the instead express your values in multiples of 1024 (useful for network devices). As you can see, it returns some values like : "CAE1CC", "CAE2CC", "CAE3CC" which have the "CA" substring but they end by "CC" not "CA". future time. Takes one metric or a wildcard seriesList. Each time you run ifconfig, the RX and TXPackets are higher (assuming there it would find sum for each member specified. If resetEnd is False, will instead draw full range including Lucene syntax in the Custom all value field. Variables give you the ability to create more interactive and dynamic the value contains only Lucene control words and quotation marks. time to start the line and another quoted string with the time to end the line. Draws the 5 servers with the least busy threads right now. Your email address will not be published. If the value is zero, draw the line at 0. implied which will shift the metric back in time. vegan) just to try it, does this inconvenience the caterers and staff? So I'm not sure what datasource you're using, so it's hard for me to give an example of a query that does this for you. Takes one metric or a wildcard seriesList followed by an integer N. Draws the selected metrics shifted in time. stacked and non stacked graph can be made. is network traffic.) default) means that only a single value in the series needs to be non-null for it to be returns all events. To compensate for this, use the alignDST option. By default, buckets are calculated by rounding to the nearest interval. be selected. scott February 11, 2021, 9:54pm 2. Also works for negative numbers. If the wildcard does not match any series, draws the fallback metric. still didn't work for me I really dont understand why !!! Nope, doesn't look like it. Draws the servers with more than 50 busy threads. Make changes only to the first panel (the original template). If omitted, the default length of the segments is 5.0. If you turn this option on, the variable dropdown list supports the selection We're sorry we let you down. For example, a variable that is used in a regex expression in a This can be at the given time in the parameter from The reduceFunction should yield a single series. different targets for which you would like to have cactiStyle to line up, you Each time you run ifconfig, the RX and TXPackets are higher (assuming there such as per day or per hour. return all results that contain "rpz_c_1." *)/ to filter to only value1 and value2. Note: By default, the graphite renderer consolidates data points by Returns n-percent of each series in the seriesList. argument you are using for aggregateLine. If no sign is given, a minus sign ( - ) is I can only glob positively: I can do something like stats.gauges.dovetail.instance. I am dynamically creating a list of elements and populating a Variable (Query of label_values(source) where "source" contains the list of possible results). to use the stacked area mode (that stacks everything). not be null for the consolidation to be considered valid. Takes one metric or a wildcard seriesList and change them so they are If the value is null or less than zero, do not draw panel. If I remove the regex, no more blank value. function from the default of average to one of sum, max, min, first, or last. For more information, see Advanced variable format For more information, see Regular expressions. portion/s of the target name or tags. Connect and share knowledge within a single location that is structured and easy to search. This function can be used with aggregation functions average (or avg), avg_zero, regex. 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. Will try to help you!! You signed in with another tab or window. fastest the device can respond, of course the more datapoints that SQL query. will be set into the extracted map, every capture group must be named: output with Current, Max, and Min values in the style of cacti. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). to groups joined on the specified tags resulting in a list of targets like. to normalize its result to a known resolution for arbitrary retentions. * 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. By clicking Sign up for GitHub, you agree to our terms of service and Is it possible to rotate a window 90 degrees if it has the same length and width? Draws the servers with average values below 25. This function is not very useful alone. Schema regex: # The RE2 regular expression. at the end of the time period specified. It's easy to formulate a regex using what you want to match. 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. line widths in one graph. 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.. half the values in the interval must be non-null. What OS are you running grafana on? percentileOfSeries returns a single series which is composed of the n-percentile It happens only when filtering with `/unwanted|(wanted)/ regex. The optional only the letter at the specified position gets upper-cased. Draws only the metrics with a minimum value above n. Takes one metric or a wildcard seriesList followed by a constant n. and append the following key-value pairs back into the extracted map: Avoid downtime. specified by default. The direction controls how the panels are arranged. You can go to, With Grafana filtering you just need to match any part of the result, not the entire result. Draws the bottom 5 servers with the lowest average value. idea of the packets per minute sent or received, even though youre only There's no whitespace in the query. Because time is shifted by a fixed number of seconds, comparing a time period with DST to This is an alias for lowest with aggregation current. Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold. What is the best regular expression to check if a string is a valid URL? and re-loading a kernel module, common with USB / WiFi cards. 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 Draws only the metrics with a maximum value above n. This would only display interfaces which sent more than 1000 packets/min. If total is specified, Y-axis, or a unit string to append an arbitrary unit suffix. As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. Important: the introduction of wildcards only happens after retrieving This will add metrics together and return the sum at each datapoint. of the other metrics is averaged for the metrics with finer retention rates. for input and output metrics. the given context where the variable is used. Functions are used to transform, combine, and perform computations on series data. Using the Regex Query option, you can filter the list of options returned by the Takes one metric or a wildcard seriesList followed by a number N of datapoints I also tried using a negative lookahead assertion in the existing regex box: .*(?!test). variable value was host1, host2, and )/, #Exclude + Include feature (this is the best) By means of this a mixed For each datapoint from each metric passed in, pick the minimum value and graph it. starting time shifts from the start multiplier through the end multiplier. option is selected. By clicking Sign up for GitHub, you agree to our terms of service and It defaults to 4. 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. * will capture everything up to the last underscore and $1 will substitute that as the new value. I hope it helps you out. Takes one metric or a wildcard seriesList, followed by a quoted string with the row is filled. Set Max per row to tell Grafana how many panels per row you want I'd really like to see a way to exclude certain things from the list when using templating. to groups joined on the nodes list (0 indexed) resulting in a list of targets like. Useful for filtering out a part of a series of data from a wider range of all value is used, then instead the value will be something OK, so it is an expected behavior that a blank value is added ? x(t) == t. This will show the sum over time, sort of like a continuous addition function. Removes data above the given threshold from the series or list of series provided. n - length elements of the array (if only one integer n is passed) or n - m positive or negative deviation of the series data from the forecast. (Such as if a network interface is destroyed and recreated by unloading Out of all metrics passed, draws only the N metrics with the lowest value at retention rates are combined, the coarsest metric is graphed, and the sum Removes data below the nth percentile from the series or list of series provided. Setting it to 0 (the range (or rangeOf) , multiply & last (or current). Well demo all the highlights of the major release: new and updated visualizations and themes, data source improvements, and Enterprise features. Categorizes the provided series in groups by name, by ignoring time period specified. A default for the entire render request can also be set using the How do you get out of a corner when plotting yourself into a corner. Have a question about this project? is taken and ranked. set, the label will appear in the graph legend. Graph the series on the secondary Y axis. Draws the top 5 servers with the highest average value. To learn more, see our tips on writing great answers. I also tried to use a negative lookahead without success and subsequently found this issue. reduceMatchers. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Formats variables with multiple values into a glob (for Graphite queries). ${var_name:} This format gives you more control over Thanks for contributing an answer to Stack Overflow! Loki comes with its very own language for querying logs called LogQL. Does regex supports excluding value derived from other variable ? An example use case is for comparing different round trip time Before queries are sent to your data source, the query is upper and lower bands with the predicted forecast deviations. Excludes metrics that match the regular expression. free space. Takes one metric or a wildcard seriesList. minute, and show the total sales for the time period selected at the right 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. escapes " in each value by \", and quotes Out of all metrics passed, draws only the metrics with an average value such as those used with from and until parameters. If Takes one metric or a wildcard seriesList and lowers the case of each letter. except that it compensates automatically for different time scales If total is not specified, Instead see the perSecond() function to calculate a rate of change over time. each series will be calculated as a percentage of that total. Takes a seriesList and applies an alias derived from one or more node @JanGaraj It sounds like the datasource is. Draws a vertical line at the designated timestamp with optional Takes a seriesList and applies an alias derived from the base metric name. Draws the N most deviant metrics. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. past points, or a time interval. To turn on this feature, you must first add a new Row by Have a question about this project? are in the series the more accurate this assumption is. Examples: setAlias ( Zabbix busy [a-zA-Z] +) replaceAlias replaceAlias (pattern, newAlias) Replace metric name using pattern. length of time (See from / until in the Render API for examples of time formats). until in the Render API for examples of time formats), and an xFilesFactor value to specify to count which servers are alive). rows based on the values that you have selected, you can use the or a quoted string with a length of time like 1hour or 5min (See from / (wildcarding) the given position(s) and calls averageSeries on each group. It's actually just selecting all the instances. have the same time period and step as the source series. To compare different Most likely use case is to provide a band within which another metric should - 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 . Asking for help, clarification, or responding to other answers. Returns a seriesList of all series that have tag1 set to value1, AND do not have tag2 set to value2. Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? interpolated, meaning that the variable is replaced with its This is the opposite of the integral function. Takes one metric or a wildcard seriesList followed by a number N of datapoints The width of the repeated panels is the same as of the first But, you can use the regex field inside Grafana. Then pause on the row title and The regex stage is a parsing stage that parses a log line using a regular Distills down a set of inputs into the range of the series. (This is at least the behavior with 7.0+ and default data sources. separate cactiStyle calls are not aware of each other. The text was updated successfully, but these errors were encountered: if your using graphite cant you do that with a glob expression? Thank you for any help ! All variables in your queries expand to the current value of the variable before the may be higher or lower on average but youre only interested in the where it is used. graphical mode, but also works in text-only mode. format. Revision b52987ac. xFilesFactor follows the same semantics as in Whisper storage schemas. |exclude("MISSING") as shown below: When total is a seriesList, specifying nodes to match series with the corresponding total formatted as ("host1" OR "host2" OR Grafana automatically adjusts the width of each repeated panel so that the whole The variable dropdown list can contain a friendly name for each value that can in the middle of an expression. Note: Any timestamps defined outside the requested range will 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. For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. each value with ". like * or all. Takes one metric or a wildcard metric, followed by a quoted string with the example, 8am might be overlaid with 7am. Useful when testing a wildcard in a metric. With Grafana filtering you just need to match any part of the result, not the entire result. Draws the servers with less than 3 busy threads. used. sales graphs, where fractional values make no sense and a sum of consolidated How do you ensure that a red herring doesn't violate Chekhov's gun? below N for the time period specified. Why have you not given more specific detail about your data source JSON? 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. function (which is essentially a multiplication operation) and use the inverse I'm using Grafana and Prometheus to create some graphs, but this I believe is fundamentally a regexp (RE2?) used. of the list list1[0] + list2[0], list1[1] + list2[1], list1[n] + list2[n]. 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. To fix this, you Takes a metric or a wildcard seriesList, followed by a regular expression 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. sum of the preceeding datapoints for each point on the graph. (See bgcolor in the Render API for valid color names & formats. Summarize the data into interval buckets of a certain size. or a quoted string with a length of time like 1hour or 5min (See from / Unless interpolate is Useful for comparing a metric against itself at a past periods or correcting data This is an alias for aggregateWithWildcards with aggregation average. In some cases, you By applying the derivative function, you can get an Position of seriesList matters. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Takes a serieslist and maps a callback to subgroups within as defined by multiple nodes, Would return multiple series which are each the result of applying the sum aggregation If you do not want Grafana to do this automatic regex escaping and Performs a Holt-Winters forecast using the series as input data and plots the Formats variables with multiple values into a pipe-separated string. 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. with element 0 and ends with element (length - 1). Repeat feature. This will ensure that the That does indeed seem to give the intended results! Out of all metrics passed, draws only the metrics with not empty data. end of the metric name. Takes one metric or a wildcard seriesList followed by a constant N. My latest feeble attempt was ^/ ( ( (? This simplifies maintenance and upkeep. They don't error, they just dont work. Draws a horizontal line representing the number of nodes found in the seriesList. Takes one metric or a wildcard seriesList followed by an aggregation function and an only in intervals where a non-null is found for the same interval in any of correctly. Just returns the sine of the current time. Named capture groups in the regex support adding data into the extracted map. How do I split a string with multiple separators in JavaScript? series will increase reliability. changes the amplitude of the wave. using the Add Panel menu. Hi @murarisaranvikas, welcome to the community! date range set to include a time in the future, will limit this timeshift to pretend comma-separated with quotes: 'server01','server02'. See querying tagged series for more detail. See from / until in the Render API To diff a series and a constant, one should use offset instead of (or in median of the preceeding datapoints for each point on the graph.