Runs series names through a regex search/replace. When a graph is drawn where width of the graph size in pixels is smaller than the line. The User Interface and Interactions. Assigns the given alpha transparency setting to the series. Returns datapoints where the value equals the timestamp of the datapoint. It's a really hacky workaround but you can stack variables. It will be good to get hostnames * in this case "icinga. Returns the number of events at this point in time. city1.gates.carts_passed.count. city1.services.user1.bananas_eaten.count A constant may not be passed. We need a way to get the "hostname of the mysql server" listed as a template in a dashboard. 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. This is a shortcut that takes the 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 Compares the maximum of each series against the given value. https://github.com/grafana/grafana/blob/master/public/app/plugins/datasource/graphite/datasource.ts#L175 : text: metric.text -> text: metric.id used. This is great for testing when there is Useful to compare different series where the values in each series The top N standard deviations are returned. ending at the current time. To diff a series and a constant, one should use offset instead of (or in Draw the selected metrics with a line width of F, overriding the default Defining Metrics Add custom_metrics as a root element to the application YAML. And thanks for great work. ), Just returns the timestamp for each X value. Distills down a set of inputs into the range of the series. If metrics with different When passing nodes the total parameter may be a series list or None. Option Description Syntax Restrictions; i: Case insensitivity to match upper and lower cases. Let's have an example: Given metric names function from the default of ‘average’ to one of ‘sum’, ‘max’, ‘min’, ‘first’, or ‘last’. xFilesFactor parameter, all functions that aggregate data across multiple series and/or Example case is when you timeshift to last week and have the graph Takes one metric or a wildcard seriesList. until in the Render API for examples of time formats), and an xFilesFactor value to specify A filter is a JSON object indicating which rows of data should be included in the computation for a query. lowest value lines visible. If empty, uses the log message. A second option is to use binary which will Takes a series of average values and a series of weights and NonNegativeDerivative adjusted for the series time interval I think of a straight forward way to patch this : regex: (default '') Regex expression to filter or capture specific parts of the names returned by your data source query. Graphs the moving median of a metric (or metrics) over a fixed number of Now, I want $city to be limited by the $user. Applications can also query Graphite directly. value (in seconds) as X. or a quoted string with a length of time like ‘1hour’ or ‘5min’ (See from / The tables below are a reference to basic regex. Each seriesList has the Draws the servers with average values below 25. Graphs the moving sum of a metric (or metrics) over a fixed number of best visual results. Expression Documentation. A concrete example of this could be the Nginx plugin where we then could create a dashboard to show the metrics related to it, plus potential some standard metrics such as CPU and network usage. Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. Subtracts series 2 through n from series 1. from=6:30 then the 1hour bucket for 22:32 is 22:30-23:30. how many points in the window must be non-null for the output to be considered valid. Returns a seriesList of all series that have tag1 set to value1, AND do not have tag2 set to value2. By applying the derivative function, you can get an Revision 22a65ebd. You signed in with another tab or window. Y-axis, or a “unit” string to append an arbitrary unit suffix. output with Current, Max, and Min values in the style of cacti. Draws the 5 servers with the highest busy threads. * , which if the user chooses Europe would be interpolated to regions.Europe. Draws the servers in ascending order by maximum. Out of all metrics passed, draws only the metrics with not empty data. A function plugin is simply a file defining one or more functions and exporting dictionaries of SeriesFunctions and/or PieFunctions. Out of all metrics passed, draws only the metrics with an average value Takes an arbitrary number of seriesLists and adds them to a single seriesList. (“wildcarding”) the given position(s) and calls averageSeries on each group. Useful for filtering out a part of a series of data from a wider range of of the dividend. Since JMeter 2.13 you can get real-time results sent to a backend through the Backend Listener using potentially any backend (JDBC, JMS, Webservice, …) by providing a class which implements AbstractBackendListenerClient. 1/x). This is an alias for highest with aggregation max. This would create a series named “The.time.series” that contains sin(x)*2. This can be Any other numeric value may be used as well. Takes one metric or a wildcard seriesList followed by a constant N. I'm working with a graphite server, I've was using the "regex value" functionality to work around graphites issue with double globs in a metric, using one glob in the query and then a second via the regex ie: varEnv = {p,d,s,i,...} varSilo. I can just use the globbing pattern servers.*. of series as seriesList or be a numeric value. Performs a Holt-Winters forecast using the series as input data and plots the When minute, and show the total sales for the time period selected at the right The xFilesFactor set via this function is used as the default for all functions that accept an When measuring RTT (like pinging a server), different Takes one metric or a wildcard seriesList and a string in quotes. Draws the servers with average values above 25. *.linux_load.load5", the variable is set to "load5", so I can't even use a regular expression to pull out hostnames. The order of the lower and higher values series does not The consolidateBy() function changes the consolidation Takes one metric or a wildcard seriesList and a consolidation function name. I can ask the graphite API: https://my.graphite/graphite/metrics/expand?query=city*.services.$user and use a regex to pull out the values. Useful with the &areaMode=all parameter, to keep the to count which servers are alive). move. given useSeriesAbove(ganglia.metric1.reqs,10,’reqs’,’time’), For example, the pattern "India" only matches "India." Can the template query mechanism somehow expose the full metric name so I could decide which values to construct out of it? A list of nodes can optionally be provided, if so they will be used to match series with their Note: By default, the graphite renderer consolidates data points by For which time intervals nulls should be replaced. Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. produces a weighted average for all values. stacked. It can also take an optional argument with a name of the stack, in case there is Returns the metrics sorted according to the specified function. integral for a sum over time). When a series needs to be consolidated, this sets the fraction of values in an interval that must at the end of the time period specified. until in the Render API for examples of time formats), and an xFilesFactor value to specify To pass multiple series lists exponentialMovingAverage (windowSize) Takes a series of values and a window size and produces an exponential moving average utilizing the following formula: ema (current) = constant * (Current Value) + (1 - constant) * ema (previous) The Constant is calculated as: constant = 2 / (windowSize + 1) Introduction. Appends a value to the metric name in the legend. Removes data above the given threshold from the series or list of series provided. devices in the same graph, the network latency to each has to be A Graphite events query, use the Graphite event tags textbox, specify a tag or wildcard (leave empty should also work) Configure the Datasource with Provisioning It groups results by the location tag and into 12 minute intervals. This computes the change in server free space as a percentage of the previous Removes data below the nth percentile from the series or list of series provided. values set to None. Takes two or more series and pows their points. sort : (default 0 ) 0 : Without Sort, 1 : Alphabetical (asc), 2 : Alphabetical (desc), 3 : Numerical (asc), 4 : Numerical (desc). *.requests.200 which could be slow if it matches hundreds or thousands of metrics, you can define a graph requesting aggregates.servers.all.requests.200. aggregate: average, median, sum, min, max, diff, The optional xFilesFactor follows the same semantics as in Whisper storage schemas. Returns all events tagged as “tag-one” and “tag-two” and the second one Graphs the moving average of a metric (or metrics) over a fixed number of n - length elements of the array (if only one integer n is passed) or n - m But I'm not the only user (no pun intended) of that namespace, so I can't just switch those around. minimum of the preceeding datapoints for each point on the graph. The optional minValue and maxValue parameters have the same Takes one metric or a wildcard seriesList and applies the logit Will reset the end date range automatically to the end of the base stat unless The most amazing thing is that you can use the minimalist GraphQuery syntax to get any data structure you want. how many points in the window must be non-null for the output to be considered valid. This is an alias for aggregate with aggregation rangeOf. except that it compensates automatically for different time scales Regex provides a way to query databases to find a smaller subset of data. To divide by a constant, use the scale() past points, or a time interval. Draws the servers with less than 3 busy threads. Takes two or more series and multiplies their points. datapoint to the specified precision. That will capture "logstash-1", "logstash-2" and so on without capturing the other parts of the metric. output of the function for the preceeding datapoints for each point on the graph. This is an alias for using groupByNodes with a single node. This would only display interfaces which has a peak throughput higher than 1000 packets/min. argument you are using for aggregateLine. Sorts the list of metrics by the metric name using either alphabetical order or natural sorting. I've had luck using this feature before when dealing with multiple instances of elasticsearch installed on the same host. This shifts all samples later by an integer number of steps. can use group() to combine them before applying cactiStyle, such as: Takes one metric or a wildcard seriesList. metric will be shifted forward in time. Templating: set an variable based on another variable, https://groups.io/g/grafana/thread/how_to_use_regex_feature_for/56030?p=,,,0,0,0,0:RecentPostDate,,template+regex+,20,2,0,56030, [Feature request] Select node in graphite template variable, https://groups.io/g/grafana/topic/how_to_use_regex_feature_for/56030, [Feature request] Graphite's expand API to be used in Query of Template Variable, https://github.com/grafana/grafana/blob/master/public/app/plugins/datasource/graphite/datasource.ts#L175, improvements - use format=completer in query to graphite datasource, Graphite: Support using full path for variable values in templating queries. until in the Render API for examples of time formats), and an xFilesFactor value to specify x(t) == x(t-1)+random()-0.5, and x(0) == 0. 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 Supported timestamp formats include both timeSlice, in that this function is indifferent about the step intervals optional reverse parameter. or a quoted string with a length of time like ‘1hour’ or ‘5min’ (See from / function from the default of ‘average’ to ‘sum’. Draws the average value of all metrics passed at each time. Optionally Setting it to 0 (the only in intervals where a non-null is found for the same interval in any of If resetEnd is False, will instead draw full range including the input. The last argument can be si (default) or binary, in that case values will be formatted in the Metrics for that dashboard will all be called something like .nginx., so the neat way of finding servers to include in the host selector on the dashboard, would be to make a query for *.nginx and then show the first part of the metric name for the server name. corresponding request/s metric is > 10. (“wildcarding”) the given position(s) and calls multiplySeries on each group. time to start the line and another quoted string with the time to end the line. Graphitus will also consider generating the list of values from a partial path, the index and regex determine which portion and substring (regex) of the resulting path will be used to generate the values for selection. This issue was posted long time ago and I am worried it is not visible any more. This is an alias for highest with aggregation average. Refer to the docs for query syntax. total, min, max. When Graphite loads the plugin it will add functions in SeriesFunctions and/or PieFunctions to the list of available functions. T, This would create a series named “The.time.series” that contains in Y the same maximum is greater than value, the regular expression search and replace is Iterates over a two lists and subtracts series lists 2 through n from series 1 Takes one metric or a wildcard seriesList, followed by a quoted string with the in double quotes. Takes one metric or a wildcard metric, followed by a quoted string with the upper and lower bands with the predicted forecast deviations. Use Prometheus to query how many jobs are running in our Nomad cluster. The most efficient queries run over only a single column in a given time series. Functions with the parameter (so that a similar graph results from using either fine-grained past points, or a time interval. The query uses an InfluxQL function to count the number of water_level points. If desired these series can be filtered out by piping the result through Takes one metric or a wildcard seriesList followed by an integer N. had wrapped at maxValue. Then I create a regex group to capture the instance name by using /(\w+-\d+)/g. This is an alias for aggregate with aggregation diff. names like asPercent(someSeries,MISSING) or asPercent(MISSING,someTotalSeries) and all Here I'm stuck. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java. This complements groupByNodes which takes a list of nodes that must match in each group. The query returns two series of results: one for each tag value of the location tag. sum of the preceeding datapoints for each point on the graph. Takes one metric or a wildcard seriesList followed by a number N of datapoints addition to) diffSeries. Takes one metric or a wildcard seriesList, and optionally a limit to the number of ‘None’ values to skip over. Useful for comparing a metric against itself at a past periods or correcting data Takes one metric or a wildcard seriesList followed by a constant N. based on the function applied to each series. stddev, range & multiply. function for aggregateLine, this can cause an unusual gap in the By clicking “Sign up for GitHub”, you agree to our terms of service and relative (e.g. On the main page, type nomad_nomad_job_summary_running into the query section. Takes one metric or a wildcard seriesList followed by an integer N. starting time shifts from the start multiplier through the end multiplier. Excludes metrics that don’t match the regular expression. Takes a seriesList and applies some complicated function (described by a string), replacing templates with unique Assume that the Here I'm stuck. Takes one metric or a wildcard seriesList followed by a constant n. specified by default. This is an alias for highest with aggregation current. So now the context (the caller of interpolation) decides how a value is to be formatted, so Elasticsearch datasource interpolating a query before sending it will interpolate it using lucene multi value syntax & escaping rules, Graphite data source will use globbing … Removes series lying inside an average percentile interval. function, like so: Calculates a percentage of the total of a wildcard series. Successfully merging a pull request may close this issue. query. Alignment can be to years, months, weeks, days, hours, and minutes. metric name is a list or array, with each element separated by dots. This is a way of stacking just a couple of metrics without having Draws the servers with more than 50 busy threads. This is Summarize the data into interval buckets of a certain size. used. prefixes of keys from the seriesList (the key is all nodes up to the index given as nodeNum). This is useful for taking a running total metric and showing how many requests Features a regex quiz & library. Setting it to 0 (the separate cactiStyle calls are not aware of each other. relative difference. Offsets a metric or wildcard seriesList by subtracting the minimum function 1 / (1 + exp(-x)) to each datapoint. maximum of the preceeding datapoints for each point on the graph. Draws a horizontal line at value F across the graph. such as per day or per hour. This is an alias for aggregate with aggregation max. If it is None then *TCP (\d+)","\1") alpha(requestContext, seriesList, alpha) ¶. In a Google Analytics 4 property, the default regex is a "full match." Accepts optional second argument as ‘step’ parameter (default step is 60 sec). This would start at zero on the left side of the graph, adding the sales each The InfluxDB Query Language (InfluxQL) is a SQL-like query language for interacting with InfluxDB. elements of the array (if two integers n and m are passed). the search & replace parameters, then using the last value of the resulting series xFilesFactor query parameter. will pad the early end of the data with None for every step shifted. The pattern is used to search strings or files to see if matches are found. When a graph is drawn where width of the graph size in pixels is smaller than until in the Render API for examples of time formats), a function to apply to the points The matching is case-sensitive by default and can be switched to case-insensitive prefixing the regex with (?i). Datapoints Graphite InfluxDB OpenTSDB Prometheus Smokeping Weathermap 7. idea of the packets per second sent or received, even though you’re only Takes one metric or a wildcard seriesList and applies the mathematical abs function to each Have a question about this project? Takes one metric or a wildcard seriesList followed by a constant, and raises the datapoint 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 date range set to include a time in the future, will limit this timeshift to pretend Language-independent. Takes a metric or wildcard seriesList and replaces null values with the value to it: normalized = (point - min) / (max - min). When using nodes, any series or totals that can’t be matched will create output series with Performs a Holt-Winters forecast using the series as input data. Regular expressions (regex or regexp) are extremely useful in extracting information from any text by searching for one or more matches of a specific search pattern (i.e. The label would be printed as “hostname.avgUpdateTime”. for input and output metrics. Ah, yes I've ran in to this before as well. function (which is essentially a multiplication operation) and use the inverse The lists need to be the same length. x(t) == t. This will show the sum over time, sort of like a continuous addition function. Takes a wildcard seriesList, and a second fallback metric. This would show the sum of all requests handled per minute (provided Prints the string instead of the metric name in the legend. So, +1. To multiply by a constant, use the scale() function. The POSIX comparators are: ~: Case-sensitive, compares two statements, returns true if the first is contained in the second xFilesFactor follows the same semantics as in Whisper storage schemas. If the parameter grouped=1 is passed, the returned list will be organized by group: To get the definition of a specific function: © Copyright 2008-2012, Chris Davis; 2011-2020 The Graphite Project Returns a SeriesList of series matching all the specified tag expressions. to prevent line overlap. Out of all metrics passed, draws only the metrics with an average value Takes one metric or a wildcard seriesList followed by a constant, and multiplies the datapoint “%” characters replaced by the unique prefix. and then offsets all of the other datapoints in that series by that Takes a series of values and a window size and produces an exponential moving We’ll occasionally send you account related emails. Values above this threshold are assigned a value of None. Takes one metric or a wildcard seriesList followed by 1 or 2 integers. may be higher or lower on average but you’re only interested in the The format is restricted to regex … Now, I want $city to be limited by the $user. aggregates.server.all.requests.404. to prevent line overlap. takes a “system” value to apply unit formatting in the same style as the maxValue is supplied, the missing value is computed as if the counter The lists will need to be the same length. The cumulative() function changes the consolidation The first query will return all series, while the second will return the most recent point from each series that matches the given regex. We use m2g-poller to get 80k metrics into graphite and the application name comes next to the hostname (server..servername.mysql,apache,etc). Values below this threshold are assigned a value of None. In short, its parameters (in positional order) are: target: required, a graphite-web compatible path (i.e. A Graphite events query, use the Graphite event tags textbox, specify a tag or wildcard (leave empty should also work) Configure the Datasource with Provisioning with element 0 and ends with element (length - 1). Returns a seriesList where 1 is specified for non-null values, and A regex usually comes within this form /abc/, where the search pattern is delimited by two slash characters /. A regular metric query, for this you use the Graphite query textbox. Extraction functions define the transformation applied to each dimension value. Takes one metric or a wildcard seriesList followed by a constant N. I want to capture template variables $user and $city, where grabbing possible user values is easy: portion/s of the target name or tags. This is an alias for aggregate with aggregation stddev. stacked and non stacked graph can be made. - Alphabetical sorting: server1, server11, server12, server2 +1 . Note that if this is set to 0.0, it will cause large The start and end times are inclusive (default range is from to until). Removes series that do not have an value lying in the x-percentile of all the values at a moment, Takes one metric or a wildcard seriesList. That means you’ll be querying just … This complements other time-displacement functions such as timeShift and A setting of 0.5 means that at least median, sum (or total), min, max, diff, stddev, count, values. Takes a metric or wildcard seriesList and counts up the number of non-null length of time (See from / until in the Render API for examples of time formats). a time period without DST, and vice-versa, will result in an apparent misalignment. Draws the 5 servers with the highest number of busy threads. Takes one metric or a wildcard seriesList followed by a number N of datapoints Useful for highlighting a single metric out of many, or having multiple Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Graphite supports two ways to query annotations. It calculates hits per some larger interval For example, 22:32 will end up useful when the value is a gauge that represents a certain value in time. An example use case is for comparing different round trip time Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. for examples of time formats. Graphs the Continues the line with the last received value when gaps (‘None’ values) appear in your data, rather than breaking your line. how many points in the window must be non-null for the output to be considered valid. Graphs a moving window function of a metric (or metrics) over a fixed number of This Graphs the moving maximum of a metric (or metrics) over a fixed number of used for custom derivative calculations, among other things. Performs a query to alias the metrics in seriesList. privacy statement. My metrics for elasticsearch (see also: logstash) follow the structure of Real-time results¶. Accepts optional second argument as ‘amplitude’ parameter (default amplitude is 1) Values above this percentile are assigned a value of None. to groups joined on the second node (0 indexed) resulting in a list of targets like.