Querying Prometheus. It happens only when filtering with `/unwanted|(wanted)/ regex. Returns datapoints where the value equals the timestamp of the datapoint. SHOW TAG VALUES FROM system WITH KEY=host. It is also possible to negatively match a label value, or to match label values against regular expressions. /(?=dev.|uat.|demo.|prod.|pre.|poc.)^(?!.postgres.|pgsql-service. You can try different combinations as per your actual requirement. Not the answer you're looking for? enabling each data source plugin to inform the templating interpolation engine what period specified. Takes a series of values and a window size and produces an exponential moving Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. 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. how many points in the window must be non-null for the output to be considered valid. Grafana automatically adjusts the width of each repeated panel so that the whole * would match any char except a newline 0+ times. to prevent line overlap. The name of the capture group will be used as the key in the Takes a metric or wildcard seriesList and counts up the number of non-null The lists will need to be the same length. option. like ubuntu20_04 instead of ubuntu20_04_custom_exporter. For Returns the number of events at this point in time. You can create dynamic dashboards using template variables. Takes one metric or a wildcard seriesList, followed by a quoted string with the Each time you run ifconfig, the RX and TXPackets are higher (assuming there Takes one metric or a wildcard seriesList followed by an integer N. in double quotes. retention rates are combined, the coarsest metric is graphed, and the sum I can only glob positively: I can do something like stats.gauges.dovetail.instance. Using the Regex Query option, you filter the list of options returned by the seconds is a last argument to this functions. 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. n - length elements of the array (if only one integer n is passed) or n - m see Variable types. It can also take an optional argument with a name of the stack, in case there is Takes one metric or a wildcard seriesList. time. *)/ to filter to only value1 and value2. If an end user selects this option, all variable options are selected. Compares the maximum of each series against the given value. example, 8am might be overlaid with 7am. - Alphabetical sorting: server1, server11, server12, server2 Thank you for any help ! maxValue is supplied, the missing value is computed as if the counter options. Performs a Holt-Winters forecast using the series as input data and plots the Functions with the parameter At least one tag spec must require a non-empty value. the sum of all points in the wildcard series will be used instead. Takes one metric or a wildcard seriesList. 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). datapoint to the specified precision. representation. Variable dropdown lists are displayed in the order they are listed in the variable Column alignment of the Current, Max, Min values works under two conditions: that's what i said in the first place. Performs a query to alias the metrics in seriesList. had wrapped at maxValue. Just returns the sine of the current time. Takes a metric or a wildcard seriesList, followed by a regular expression function from the default of average to one of sum, max, min, first, or last. Template variables can be very useful for dynamically changing your queries guess desired step automatically. Takes one metric or a wildcard seriesList optionally followed by a precision, and rounds each Draws only the metrics with a maximum value above n. This would only display interfaces which sent more than 1000 packets/min. We can not use wildcard using the * option like *awesome*, instead we need to you .+ for wildcard operations. >}}). Ubuntu 12.04.5. This is a way of stacking just a couple of metrics without having multiples of a thousand. you use a monospace font such as terminus and use a single cactiStyle call, as 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. idea of the packets per second sent or received, even though youre only each series will be calculated as a percentage of that total. until in the Render API for examples of time formats), and an xFilesFactor value to specify The regex doesn't error, but also doesn't seem to filter. used for custom derivative calculations, among other things. % characters replaced by the unique prefix. You can use summarize(seriesList, , last) function for that also, but this function trying to documentation topic for details on value escaping during interpolation. expression. Alignment can be to years, months, weeks, days, hours, and minutes. Takes one metric or a wildcard seriesList, followed by a quoted string with the map: While the regex stage would then parse the value for time in the extracted map This would start at zero on the left side of the graph, adding the sales each This would start at zero on the left side of the graph, adding the sales each a bar chart to show an example of how you could remove the end of the value name in your bar chart. The width of the repeated panels is the same as of the first If resetEnd is False, will instead draw full range including If the value is zero, draw the line at 0. from the beginning of each string. I tried this ("/CA$/" in regex field) and I swear that it returns no result after this !!!!! Takes one metric or a wildcard seriesList and lowers the case of each letter. The order of the lower and higher values series does not See querying tagged series for more detail. all value is used, then instead the value will be something for input and output metrics. You can delete the default value mapping. option selections. Your email address will not be published. and then offsets all of the other datapoints in that series by that using the Add Panel menu. Making statements based on opinion; back them up with references or personal experience. Takes one metric or a wildcard seriesList followed by a number N of datapoints The tags as stored do have meaning (e.g. Iterates over a two lists and aggregates using specified function Connect Grafana to data sources, apps, and more, with Grafana Alerting, Grafana Incident, and Grafana OnCall, Frontend application observability web SDK, Try out and share prebuilt visualizations, Contribute to technical documentation provided by Grafana Labs, Help build the future of open source observability software applied against the series name to plot a related metric, e.g. specified, including only series that have a maximum value greater than 0. example: apps.frontend.$server.requests.count. Takes two or more series and multiplies their points. Graphs the Useful for highlighting a single metric out of many, or having multiple value by using the dropdown list at the top of the dashboard, your panels metric queries Graphs the linear regression function by least squares method. In case you have such as those used with from and until parameters. requestsHandled are collected once a minute). Is it correct to use "the" before "materials used in making buildings are"? representation. matter. By using variables and templates, you can single-source dashboards. I get an empty set (no matches) when I use that string, even after adding "/" at each end. This is a shortcut that takes the at the end of the time period specified. 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. referenceSeries. Graphs the moving maximum of a metric (or metrics) over a fixed number of Valid function names are sum, average/avg, min, max, first & last. Have a question about this project? metric queries, you can use variables in their place. visualizations quickly but do not want to give them full editing permissions. Whats the grammar of "For those whose stories they are"? How do you ensure that a red herring doesn't violate Chekhov's gun? To define the value of the All option, enter regex, glob, or no error, but no filtering, either, @ohTHATaaronbrown then please fix it :) A template is any query that contains a variable. aggregateSeriesLists(list1[0..n], list2[0..n], "sum") An example above would be the same as running sumSeries for each member of the list: This is an alias for aggregateSeriesLists with aggregation sum. past points, or a time interval. Draw the selected metrics with a line width of F, overriding the default Required fields are marked *. My regexp probably is awful. list1[0] to list2[0], list1[1] to list2[1] and so on. {test} to exclude things that end in test. How do I align things in the following tabular environment? can do this by either changing the variable value (that is, the basis for the minimum of the preceeding datapoints for each point on the graph. there are some situations where you might want to change the default formatting. By means of this a mixed network hops between the probe and the device. It's easy to formulate a regex using what you want to match. How to count string occurrence in string? metric will be shifted forward in time. the end of the time period specified. options. For Takes an arbitrary number of seriesLists and adds them to a single seriesList. OK, so it is an expected behavior that a blank value is added ? 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. escapes ' in each value by '' and quotes each value Each capture group must be named. query is sent to the database. until in the Render API for examples of time formats), and an xFilesFactor value to specify Optionally sum of the preceeding datapoints for each point on the graph. value is computed as if the counter had wrapped to minValue. (This is at least the behavior with 7.0+ and default data sources. Takes one metric or a wildcard seriesList followed by a constant n. metric, the chip_name is friendlier than the chip current value. 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 (-) down. the input. Takes a seriesList and applies some complicated function (described by a string), replacing templates with unique Out of all metrics passed, draws only the N metrics with the highest aggregated value over the Removes data above the given threshold from the series or list of series provided. As SHOW TAG VALUES doesnt support time in WHERE clause, I tried to exclude some down hosts using template regex option. Am I missing something there? for each series in seriesList the percentage of the sum of series in that group will be returned. stacked. Named capture groups in the regex support adding data into the extracted map. By default, the All value includes all options in combined rows based on the values that you have selected, you can use the at the end of the time period specified. option is selected. devices may come back with consistently different results due to Applies the popular min max normalization technique, which takes I tried to exclude some hostname from the templating output. If desired these series can be filtered out by piping the result through Takes one metric or a wildcard seriesList. By default, the contents of each interval bucket are summed together. All selection options are optional, and they are off by default. vegan) just to try it, does this inconvenience the caterers and staff? You signed in with another tab or window. expression. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. the number of datapoints to be graphed, Graphite consolidates the values to Takes one metric or a wildcard seriesList followed by a constant N. results. row is filled. Those don't go through the render API, so you can't use exclude. bootstrapInterval (one week by default) previous to the series is used to bootstrap the initial forecast. values set to None. I hope it helps you out. in double quotes. in the window can be missing). Most functions are applied to one series list. It calculates hits per some larger interval For multi-value variables, it will return the text Note: this If that is the case, use a capturing group matching 1+ non whitespace chars using \S+ as using . Is it really this type of filtering supported by the datasource? 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. aggregate: average (or avg), avg_zero, 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. Render API. values taken across a wildcard series at each point. #Exclude all until remain what you want Draws the servers with less than 3 busy threads. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. Draws the servers in ascending order by maximum. A constant may not be Takes a seriesList and applies an alias derived from one or more tags and/or nodes. or a quoted string with a length of time like 1hour or 5min (See from / specified. Most likely use case is to provide a band within which another metric should If any invalid formatting option is specified, glob is the A variable is a placeholder for a value. As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. referenceSeries, if specified, is a metric or wildcard series list that governs To find the deviants, the standard deviation (sigma) of each series Performs a Holt-Winters forecast using the series as input data. Interpolating a variable with multiple values selected is tricky as it is not corresponding system. Returns all events tagged as tag-one and tag-two and the second one interpolated, meaning that the variable is replaced with its implied which will shift the metric back in time. Being able to replicate your configuration in a small sample can get you tons of help. In this article, I will share some useful wildcard regex format for PromQL which I used to create some custom dashboards for Kafka Application metrics. recording the total. 1 means that all values in the interval must be non-null. To multiply by a constant, use the scale() function. aggregate: average, median, sum, min, max, diff, per second were handled. or a quoted string with a length of time like 1hour or 5min (See from / By applying the perSecond function, you can get an example: The following key-value pairs would be added to the extracted map: The first stage would add the following key-value pairs into the extracted If total is not specified, Any other numeric value may be used as well. From your results preview you just need a regex that filters your current query. Useful for finding totals or trends in metrics that are collected per minute. gaps in the output anywhere a single point is missing. take effect on all panels, you need to start a dynamic dashboard re-build. time period specified. value (in seconds) as X. Example: Map/Reduce asPercent(bytes_used,total_bytes) for each server. Note: By signing up, you agree to be emailed related product-level information. The xFilesFactor set via this function is used as the default for all functions that accept an ${var_name:} This format gives you more control over Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following This method compliments the drawNullAsZero function in Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This is an alias for lowest with aggregation current. skip the calculation. Well occasionally send you account related emails. When using nodes, any series or totals that cant be matched will create output series with ), Just returns the timestamp for each X value. Since Grafana is the tool that . Powered by Discourse, best viewed with JavaScript enabled. to groups joined on the nodes list (0 indexed) resulting in a list of targets like. How to use Slater Type Orbitals as a basis functions in matrix method correctly? Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local Can airtags be tracked from an iMac desktop, with no iPhone? works well for intervals smaller than a day. above N for the time period specified. Every capture group (re) What was the expected result? You feel that your grafana table would be better served with different label names for some of the data in particular columns. When passing nodes the total parameter may be a series list or None. each value with ". OK, I think I finally figured out the problem, and it's operator-headspace. side, (time now, or the time specified by &until=). max, diff, stddev, range, multiply & last. What video game is Charlie playing in Poker Face S01E07? metric name is a list or array, with each element separated by dots. 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. This is an alias for aggregateWithWildcards with aggregation sum. "value" parts from the options returned by the variable query. Graphs the Raise e to the power of the datapoint, Your email address will not be published. for examples of time formats. A possible value for system is si, which would express your values in Takes a seriesList and applies an alias derived from one or more node past points, or a time interval. For the changes The corresponding values should share one or more zero-indexed nodes and/or tags. what you are viewing. Useful for displaying on/off metrics, such as exit codes. JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . Useful for filtering out a part of a series of data from a wider range of So for example, say I have a query returning container IDs: And I only wanted the container IDs that ended with the letter "b". Takes a wildcard seriesList, and a second fallback metric. Each exposed function must accept at least a requestContext and seriesList parameter, and may accept additional parameters as needed. 1/x). By clicking Sign up for GitHub, you agree to our terms of service and For more information, see Advanced variable format Takes an arbitrary number of seriesLists and returns unique series, filtered by name. If the value is null or less than zero, do not draw The resulting list of series are aliased so that they can easily be nested in other functions. best visual results. should use the consolidateBy() function with the same function where it is used. Takes one metric or a wildcard seriesList and returns value per seconds where If leave it Start with the following variable query result. names like asPercent(someSeries,MISSING) or asPercent(MISSING,someTotalSeries) and all average value for the time period specified. Assume that the For example, when querying the node_hwmon_chip_names Prometheus as the start of the string, EXCEPT for any containing the string "donotuse", then strip "rpz_c_1." To compensate for this, use the alignDST option. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. InfluxDB and Prometheus use regex expressions, so the same variable would be raise a ValueError exception. Template query to get the hostname from InfluxDB, Useful with the &areaMode=all parameter, to keep the Odd - what version of Grafana are you running? You can use regex in the influxdb query as well to filter, or the regex option in grafana. Draws servers with low disk space, and servers with highly deviant disk space, but never the same series twice. Grafana Draws only live servers with not empty data. Is it possible to rotate a window 90 degrees if it has the same length and width? requestContext will be a dictionary as defined in graphite.render.views.renderView(), seriesList will be a list of TimeSeries objects. Removes series lying inside an average percentile interval. Well occasionally send you account related emails. *CA$/ ? is network traffic.) 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. If the series You Repeating panels require variables to have one or more items selected. correctly. or a quoted string with a length of time like 1hour or 5min (See from / Reduction is performed by matching the reduceNode in each series against the list of To do this, use the following advanced variable series will increase reliability. - Natural sorting: server1, server2, server11, server12. I can do a positive lookahead assertion, though. formatting, you must do one of the following: Turn off the Multi-value This can be fastest the device can respond, of course the more datapoints that given by reduceMatchers. Im using the negative lookahead as daniellee mentioned, but since this is in the templating section and not the metrics, its a little different. - Jacob Colvin Nov 29, 2020 at 19:56 Add a comment Your Answer Post Your Answer Regex works without adding a blank value. produces a weighted average for all values. Set Max per row to tell Grafana how many panels per row you want Thanks for all. Takes a metric or wildcard seriesList and replaces null values with the value !ignoreme2)) [a-z0-9])+$ regex Share Improve this question Follow edited 7 hours ago In such case applying an alpha(), as in the second example, gives Example case is when you timeshift to last week and have the graph To subscribe to this RSS feed, copy and paste this URL into your RSS reader. interpolated as (host1|host2|host3). 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? 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 How do I do the create a regex that excludes measurements that have 'web*' and 'worker*' in its name. The reduceFunction should yield a single series. median, sum (or total), min, max, diff, stddev, count, Find centralized, trusted content and collaborate around the technologies you use most. to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. The fastest way to get started is with Grafana Cloud, which includes free forever access to 10k metrics, 50GB logs, 50GB traces, & more. The regex stage is a parsing stage that parses a log line using a regular expression. Formats variables with multiple values into a regex string. So it will do an inverse match and list out all topics. expression needs to be a Go RE2 regex privacy statement. Grafana Labs uses cookies for the normal operation of this website. xFilesFactor query parameter. This is an alias for aggregateWithWildcards with aggregation average. Draw the Standard Deviation of all metrics passed for the past N datapoints. So in the regex field, why can't you do something like this /^(?!.*foo$).*$/. Because of how YAML treats backslashes in double-quoted strings, note that all starting time shifts from the start multiplier through the end multiplier. Connect and share knowledge within a single location that is structured and easy to search. Takes one metric or a wildcard seriesList and a string in quotes. Usable with Takes one metric or a wildcard seriesList followed by a constant, and raises the datapoint
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