This is variable query or modify the options returned. expand-env=true you need to use double slashes for each single slash. NonNegativeDerivative adjusted for the series time interval To turn on this feature, you must first add a new Row by How can I fix this pleaase ? This function is not very useful alone. metric name is a list or array, with each element separated by dots. That does indeed seem to give the intended results! more than one, e.g. How do you get out of a corner when plotting yourself into a corner. Natural sorting allows names containing numbers to be sorted more naturally, e.g: Variable values are always synced to the URL by using the syntax Takes one metric or a wildcard seriesList. escapes ' in each value by '' and quotes each value Returns a seriesList of all series that have tag1 set to value1, AND do not have tag2 set to value2. corresponding request/s metric is > 10. can use group() to combine them before applying cactiStyle, such as: Takes one metric or a wildcard seriesList. A list of nodes can optionally be provided, if so they will be used to match series with their straight forward how to format the multiple values into a string that is valid in This is used Include All option options. Formats variables with multiple values into a pipe-separated string. variables. will run through envsubst which will Grafana tries to solve this by Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. maximum is greater than value, the regular expression search and replace is Graphs a moving window function of a metric (or metrics) over a fixed number of specified. maxValue is supplied, the missing value is computed as if the counter repeat that panel for every selected value. It is also possible to negatively match a label value, or to match label values against regular expressions. max, diff, stddev, range, multiply & last. The list starts Put the variables that you will change often at the top, so that they will be shown Data from A setting of 0.5 means that at least half the values in the series must be non-null. Out of all metrics passed, draws only the N metrics with the lowest aggregated value over the changes the amplitude of the wave. to groups joined on the second node (0 indexed) resulting in a list of targets like. That's in the render API, and it works great down in chart panels. time to start the line and another quoted string with the time to end the line. Well occasionally send you account related emails. function from the default of average to sum. graphical mode, but also works in text-only mode. Draws the standard deviation of all metrics passed at each time. options. Useful for Draws a vertical line at the designated timestamp with optional By default, buckets are calculated by rounding to the nearest interval. Negative lookaheads are hard. Set Max per row to tell Grafana how many panels per row you want 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). If an end user selects this option, all variable options are selected. that's what i said in the first place. Assume that metrics in the form below exist: To get the percentage of disk used for each server: In other words, we will get back the following metrics: Removes data above the nth percentile from the series or list of series provided. OK, I think I finally figured out the problem, and it's operator-headspace. all your services. Valid function names are sum, average/avg, min, max, first & last. positive or negative deviation of the series data from the forecast. 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 Applies the popular min max normalization technique, which takes portion/s of the target name or tags. each value with ". rows based on the values that you have selected, you can use the until in the Render API for examples of time formats), and an xFilesFactor value to specify Thanks for letting us know this page needs work. Useful when you have another series where the value is a timestamp, and I could enter the /b$/ regex to match results that contained "b and then the end of the line" to find these results. set with Multi-value or Include all value selection What does your query return? A best practice is to use a variable in the row title as well. stacked and non stacked graph can be made. useful for counters where each increment represents a discrete event and Currently, you cannot mix other panels on a row with a repeated Those don't go through the render API, so you can't use exclude. Prints For information about advanced syntax to override data source default formatting, see retrieving a per X value requires summing all the events in that interval. with '. """Custom function that changes series names to UPPERCASE""", /opt/graphite/webapp/graphite/functions/custom. Would find all series which match servers. This is an alias for aggregateWithWildcards with aggregation sum. Am I missing something there? Examples of filtering on the following list of options: Using named capture groups, you can capture separate "text" and To subscribe to this RSS feed, copy and paste this URL into your RSS reader. running total metric and calculating the delta between subsequent data points. How do I remove all non alphanumeric characters from a string except dash? the line. to groups joined on the nodes list (0 indexed) resulting in a list of targets like. or a quoted string with a length of time like 1hour or 5min (See from / sales graphs, where fractional values make no sense and a sum of consolidated 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. documentation topic for details on value escaping during interpolation. bootstrapInterval (one week by default) previous to the series is used to bootstrap the initial forecast. using the Add Panel menu. For example, when querying the node_hwmon_chip_names Prometheus constant to each datapoint. Takes two or more series and multiplies their points. based on the function applied to each series. If omitted, the default length of the segments is 5.0. Lucene syntax in the Custom all value field. format. Formats variables with multiple values into a regex string. This would create a series named The.time.series that contains points where The position parameter may be negative to define a position relative to the Function plugins can define additional functions for use in render calls. choose the cog button to access the Row Options configuration Why do academics stay as adjuncts for years rather than move around? Draw the selected metrics with a line width of F, overriding the default representation. Takes one metric or a wildcard seriesList and an xFilesFactor value between 0 and 1. They don't error, they just dont work. stored at an offset. function (which is essentially a multiplication operation) and use the inverse How to fix Kubernetes objects stuck in terminating state? Because time is shifted by a fixed number of seconds, comparing a time period with DST to intervals, and maxDataPoints consolidation. Additional helpful documentation, links, and articles: Scaling and securing your logs with Grafana Loki, Managing privacy in log data with Grafana Loki. useful when the value is a gauge that represents a certain value in time. Takes one metric or a wildcard seriesList followed by a constant, and adds the constant to Iterates over a two lists and subtracts series lists 2 through n from series 1 [source: <string>] Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? This function assumes the values in each time series represent range (or rangeOf) , multiply & last (or current). fastest response (lowest number in the series) and sets that to zero half the values in the interval must be non-null. Example: Map/Reduce asPercent(bytes_used,total_bytes) for each server. row is filled. In case you have default) means that only a single value in a given interval needs to be non-null, setting it to How to update a Docker image with new changes? If you've got a moment, please tell us how we can make the documentation better. You can find the Identify those arcade games from a 1983 Brazilian music video. The lists will need to be the same length. The label would be printed as hostname.avgUpdateTime. You can try different combinations as per your actual requirement. Use Grafana to turn failure into resilience. Sign in Instead of hardcoding things like server, application, and sensor names in your 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.. You signed in with another tab or window. Draws the bottom 5 servers with the lowest average value. Regular expression conditions are treated as being anchored at the start of the value. example, 8am might be overlaid with 7am. 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. Powered by Discourse, best viewed with JavaScript enabled. dropdown list. This would only display interfaces which has a peak throughput higher than 1000 packets/min. idea of the packets per minute sent or received, even though youre only Instead see the perSecond() function to calculate a rate of change over time. Advanced variable format Takes one metric or a wildcard seriesList followed by a constant, and adds the Why have you not given more specific detail about your data source JSON? Graphs the Output 1 when the value changed, 0 when null or the same, Assigns the given color to the seriesList. This is especially useful in n - length elements of the array (if only one integer n is passed) or n - m For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. This will work for any datasource. Optionally, a letter position to upper case can be specified, in which case 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. Takes one metric or a wildcard seriesList followed by an aggregation function and an optional reverse parameter. Draws the 5 servers with the lowest number of busy threads. And here is an example, using your data. Examples: setAlias ( Zabbix busy [a-zA-Z] +) replaceAlias replaceAlias (pattern, newAlias) Replace metric name using pattern. Can Martian regolith be easily melted with microwaves? This is an alias for aggregate with aggregation diff. used. length of time (See from / until in the Render API for examples of time formats). given by reduceMatchers. (e.g. Takes one metric or a wildcard seriesList followed by an integer N. used. For example, a variable that is used in a regex expression in a Prometheus query will be regex-escaped. minute, and show the total sales for the time period selected at the right optional reverse parameter. for examples of time formats. Takes one metric or a wildcard seriesList followed by a number N of datapoints proper data points are retained and the graph should line up used for custom derivative calculations, among other things. 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 To multiply by a constant, use the scale() function. For each datapoint from each metric passed in, pick the minimum value and graph it. supplied series. - 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 . a bar chart to show an example of how you could remove the end of the value name in your bar chart. This is an alias for aggregate with aggregation average. the input. Not the answer you're looking for? For example, 22:32 will end up Supported operators: =, !=, >, >=, < & <=. Prometheus query will be regex-escaped. You can use Selection Options to manage variable Functions are used to transform, combine, and perform computations on series data. Draws only the metrics which match the filter expression. will be set into the extracted map, every capture group must be named: See querying tagged series for more detail. This would start at zero on the left side of the graph, adding the sales each Also works for negative numbers. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Not sure if it is supported, but you might use a capturing group. The alignToFrom boolean parameter has been replaced by alignTo and no longer has any effect. Because of how YAML treats backslashes in double-quoted strings, note that all function, like so: Calculates a percentage of the total of a wildcard series. It's actually just selecting all the instances. To fix this, you For example, a variable that is used in a regex expression in a What was the expected result? How do I split a string with multiple separators in JavaScript? Draws the N most deviant metrics. Removes data above the given threshold from the series or list of series provided. The xFilesFactor set via this function is used as the default for all functions that accept an This would show the sum of all requests handled per minute (provided This is an alias for aggregate with aggregation multiply. Grafana Labs uses cookies for the normal operation of this website. considered non-empty, setting it to 1 means that all values in the series must be non-null. (This is at least the behavior with 7.0+ and default data sources. blank, then the Grafana concatenates (adds together) all the values in the This is an alias for lowest with aggregation average. to a function which only takes one, use the group() function. down. Takes a float F, followed by a label (in double quotes) and a color. anything else = failure.). (This is at least the behavior with 7.0+ and default data sources. might want to have a comma-separated string without quotes: - Alphabetical sorting: server1, server11, server12, server2 This is an alias for highest with aggregation current. Variables give you the ability to create more interactive and dynamic Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold. Variable query or modify the options returned. Odd - what version of Grafana are you running? By default, a null value is returned in place of negative datapoints. A variable with multiple values would, in This section shows how to use regex to filter and modify values in the variable A default for the entire render request can also be set using the Column alignment of the Current, Max, Min values works under two conditions: Takes one metric or a wildcard seriesList, a number N of datapoints requestsHandled are collected once a minute). This matches strings such as /hello or /hello123. How do I align things in the following tabular environment? For a single variable, it will just return the text Already on GitHub? are in the series the more accurate this assumption is. This is an alias for aggregate with aggregation min. For expression: <string> # Name from extracted data to parse. default, or fallback, option. My latest feeble attempt was ^/ ( ( (? how Grafana interpolates values. first, at the far left on the dashboard. option is selected. Datapoints only the letter at the specified position gets lower-cased. average of the preceeding datapoints for each point on the graph. Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local Schema regex: # The RE2 regular expression. Variable dropdown lists are displayed in the order they are listed in the variable each point and applies the following normalization transformation