If each value with ". This function can be used with aggregation functions average, median, sum, min , max, diff, stddev, count, range, multiply & last. seconds is a last argument to this functions. Graphs the This is an alias for aggregateWithWildcards with aggregation sum. corresponding system. How do I remove all non alphanumeric characters from a string except dash? is network traffic.) until in the Render API for examples of time formats), and an xFilesFactor value to specify time period specified. Ubuntu 12.04.5. Takes a seriesList and applies an alias derived from one or more node It's actually just selecting all the instances. This section shows how to use regex to filter and modify values in the variable But I actually need the name of the data source plugin you're using. Theoretically Correct vs Practical Notation. To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery Takes one metric or a wildcard seriesList, a base, and draws the y-axis in logarithmic A constant line may be Takes one metric or a wildcard seriesList, followed by a quoted string with the See 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. That works, but a blank value appears and breaks graph queries. 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=~". I tried to exclude some hostname from the templating output. Node indices are 0 indexed. recording the total. The lists will need to be the same length. The site https://regex101.com/ is a really helpful tool to test out regex. Downloads. in the middle of an expression. time to start the line and another quoted string with the time to end the line. or a quoted string with a length of time like 1hour or 5min (See from / where e = 2.718281 is the base of natural logarithms. Most likely use case is to provide a band within which another metric should If you have multiple You can use regex in the influxdb query as well to filter, or the regex option in grafana. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 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. Out of all metrics passed, draws only the metrics whose value is above N Prints Useful for Since Grafana is the tool that . Setting it to 0 (the replace double slashes with single slashes. list1[0] to list2[0], list1[1] to list2[1] and so on. Just returns the sine of the current time. documentation topic for details on value escaping during interpolation. 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. This function can be used with aggregation functions average (or avg), avg_zero, are in the series the more accurate this assumption is. Each time you run ifconfig, the RX and TXPackets are higher (assuming there of the dividend. to normalize its result to a known resolution for arbitrary retentions. or a quoted string with a length of time like 1hour or 5min (See from / Items are only excluded if no characters in the string are matched. only the letter at the specified position gets upper-cased. this case, be interpolated as {host1,host2,host3} if the current If base is omitted, the function defaults to base 10. - Natural sorting: server1, server2, server11, server12. For example using sum function in the range is used to regression. In this case, every value must be escaped so that percentileOfSeries returns a single series which is composed of the n-percentile Before queries are sent to your data source, the query is Draws the selected metrics shifted in time. Takes one metric or a wildcard seriesList followed by a constant n. x(t) == t. This will show the sum over time, sort of like a continuous addition function. of series as seriesList or be a numeric value. period specified. *.disk.bytes_free, then trim them down to unique series up to the node To do this, use the following advanced variable This is useful for understanding the number of metrics that have data Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? Takes a metric or wildcard seriesList and draws a horizontal line Takes one metric or a wildcard seriesList, and optionally a limit to the number of None values to skip over. label and color. How do I split a string with multiple separators in JavaScript? Formats single-value and multi-value variables into their text Takes a series list and modifies the aliases to provide column aligned This is the opposite of the integral function. Draws servers with low disk space, and servers with highly deviant disk space, but never the same series twice. Currently, I have this RE2 regexp that I bodged together that I apply to the list to do some exclusions: This gives me as a result that is partially useful, because it excludes the results I don't want: Question: How would I modify that regular expression so it gives me a more concise result set by also stripping the leading "rpz_c_1." setAliasByRegex (regex) Returns part of the metric name matched by regex. Takes a metric or wildcard seriesList and counts up the number of non-null These can be especially useful for administrators who want to allow viewers to adjust repeat) or reloading the dashboard. requestContext will be a dictionary as defined in graphite.render.views.renderView(), seriesList will be a list of TimeSeries objects. GitHub grafana / grafana Public Notifications Fork 10.6k Star 54.2k Code Issues 2.9k Pull requests 301 Discussions Actions Projects 10 Security 28 Insights New issue List or regex to exclude items from template queries #1750 Closed Out of all metrics passed, draws only the N metrics with the highest aggregated value over the I could enter the /b$/ regex to match results that contained "b and then the end of the line" to find these results. 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. Click a field to toggle filtering on that field. values. >}}). Regular expression conditions are treated as being anchored at the start of the value. Will reset the end date range automatically to the end of the base stat unless Is there a solution to add special characters from software and how to do it. When measuring RTT (like pinging a server), different This is an alias for using groupByNodes with a single node. the input. such as per day or per hour. Sometimes it can be better to specify a custom all value, like a wild card LogQL: Log Query Language. Out of all metrics passed, draws only the N metrics with the lowest value at Takes one metric or a wildcard seriesList followed by a constant N. /dev.|uat.|demo.|prod.|pre.|poc./. Variable dropdown lists are displayed in the order they are listed in the variable How do you get out of a corner when plotting yourself into a corner. Applies the popular min max normalization technique, which takes If you choose horizontal, the panels are arranged side-by-side. This is aggregate: average, median, sum, min, max, diff, at the end of the time period specified. must be blank for Grafana to format all values into a single string. It can also take an optional argument with a name of the stack, in case there is Sorts the list of metrics in descending order by the sum of values across the time period it would find sum for each member referenceSeries. !ignoreme)| (? If a plus sign ( + ) is given, the It can be tricky to * 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. Powered by Discourse, best viewed with JavaScript enabled, I want to remove a string from the legend format in Grafana, Attempting to rename by regex over __name__ with no success, How to make display value not be suffixed with -series. Takes one metric or a wildcard seriesList. Takes one metric or a wildcard seriesList followed by an integer N. Is a PhD visitor considered as a visiting scholar? Removes series lying inside an average percentile interval. If you turn this option on, the variable dropdown list supports the selection By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. value (in seconds) as X. options. skip the calculation. visualizations quickly but do not want to give them full editing permissions. The Custom all value option on the variable Making statements based on opinion; back them up with references or personal experience. Note: By default, the graphite renderer consolidates data points by to groups joined on the second node (0 indexed) resulting in a list of targets like. Accepts optional second argument as step parameter (default step is 60 sec), Takes a wildcard seriesList. takes a system value to apply unit formatting in the same style as the When not passing nodes, the total parameter may be a single series, reference the same number given useSeriesAbove(ganglia.metric1.reqs,10,reqs,time), How to use Slater Type Orbitals as a basis functions in matrix method correctly? will be set into the extracted map, every capture group must be named: Draws only the metrics with a maximum value above n. This would only display interfaces which sent more than 1000 packets/min. The optional amplitude parameter reset. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. "value" parts from the options returned by the variable query. During interpolation, the variable value might be separate cactiStyle calls are not aware of each other. Those don't go through the render API, so you can't use exclude. Takes one metric or a wildcard seriesList and a consolidation function name. optional reverse parameter. *CA$/ ? Takes one metric or a wildcard seriesList followed by an integer N. Stating a regex in terms of what you don't want to match is a bit harder. (Division by 8 = multiplication by 1/8 or 0.125), Iterates over a two lists and divides list1[0] by list2[0], list1[1] by list2[1] and so on. to count which servers are alive). @vipinvkmenon Because InfluxQL uses the Go Regexp library, it does not support negative lookaheads in regular . Every capture group (re) date range set to include a time in the future, will limit this timeshift to pretend I thought globs were only for positive matching, not for excluding. Note: Only text and Out of all metrics passed, draws only the metrics with an average value Can you write oxidation states with negative Roman numerals? (This is at least the behavior with 7.0+ and default data sources. The regex stage is a parsing stage that parses a log line using a regular . meaning as in nonNegativeDerivative. output with Current, Max, and Min values in the style of cacti. past points, or a time interval. maxValue is supplied, the missing value is computed as if the counter by the constant provided at each point. to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. Is it correct to use "the" before "materials used in making buildings are"? xFilesFactor follows the same semantics as in Whisper storage schemas. []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. rev2023.3.3.43278. Examples of filtering on the following list of options: Using named capture groups, you can capture separate "text" and Takes one metric or a wildcard seriesList and returns value per seconds where If a custom that's what i said in the first place. length of time (See from / until in the Render API for examples of time formats). 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 (-) Returns a seriesList where 1 is specified for non-null values, and When a series needs to be consolidated, this sets the fraction of values in an interval that must how many points in the window must be non-null for the output to be considered valid. For a list of supported variable types, and instructions for adding each type of variable, Why is there a voltage on my HDMI and coaxial cables? To divide by a constant, use the scale() above N for the time period specified. Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. This is an alias for highest with aggregation max. Out of all metrics passed, draws only the bottom N metrics with the lowest Grafana tries to solve this by 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. used for custom derivative calculations, among other things. This is an alias for aggregate with aggregation multiply. representation. The order of the lower and higher values series does not The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. Takes an arbitrary number of seriesLists and returns unique series, filtered by name. rows based on the values that you have selected, you can use the Valid function names are sum, average/avg, min, max, first & last. Usable with Negative lookaheads are hard. Draws the N most deviant metrics. integral for a sum over time). If empty, uses the log message. or a quoted string with a length of time like 1hour or 5min (See from / default) means that only a single value in a given interval needs to be non-null, setting it to repeat that panel for every selected value. You can delete the default value mapping. Example case is when you timeshift to last week and have the graph "host3"). Sorry, an error occurred. question. line widths in one graph. Draws the servers in ascending order by maximum. below N for the time period specified. Draws the 5 servers with the lowest number of busy threads. The reduceFunction should yield a single series. One easy way to exclude text from a match is negative lookbehind : w+b (?<!bfox) But not all regex flavors support negative lookbehind. i should display only OS names. query. Returns all events tagged as tag-one and tag-two and the second one raise a ValueError exception. 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. relative difference. median, sum (or total), min, max, diff, stddev, count, If resetEnd is False, will instead draw full range including dashboards. by the power of the constant provided at each point. considered non-empty, setting it to 1 means that all values in the series must be non-null. 0 is specified for null values. grasp the logic behind a problem, especially for InfluxDB and Prometheus, where Because time is shifted by a fixed number of seconds, comparing a time period with DST to 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. cannot repeat a panel zero times to hide it. stored at an offset. Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local This function is like summarize(), How to reset WordPress admin/users password from Linux command line? For the changes Thanks for letting us know we're doing a good job! to pass multiple seriesLists to a function which only takes one, Takes a serieslist and maps a callback to subgroups within as defined by a common node, Would return multiple series which are each the result of applying the sumSeries function expression needs to be a Go RE2 regex Specifying average instead will return the mean for each bucket, which can be more Required fields are marked *. The regex doesn't error, but also doesn't seem to filter. the given context where the variable is used. retention rates are combined, the coarsest metric is graphed, and the sum The value 0 used if not specified. Out of all metrics passed, draws only the top N metrics with the highest more than one, e.g. So in the regex field, why can't you do something like this /^(?!.*foo$).*$/. To learn more, see our tips on writing great answers. Variable values are always synced to the URL by using the syntax variable query or modify the options returned. Useful for filtering out a part of a series of data from a wider range of Is it really this type of filtering supported by the datasource? Any other numeric value may be used as well. (Such as if a network interface is destroyed and recreated by unloading Grafana 2.6 doesn't recognize the regex and show me no results. http://graphite.readthedocs.org/en/latest/functions.html#graphite.render.functions.exclude. area between the upper and lower bands of the predicted forecast deviations. All variables in your queries expand to the current value of the variable before the for input and output metrics. 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 Total custom expression status is defined as Combined result.If several sub expressions are defined Zabbix uses AND logical operator to calculate Combined result.It means that if at least one Result is False . The difference between the phonemes /p/ and /b/ in Japanese. If you choose vertical, the panels are arranged from top to Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. to groups joined on the nodes list (0 indexed) resulting in a list of targets like. Takes one metric or a wildcard seriesList followed by a number N of datapoints Important: the introduction of wildcards only happens after retrieving Because of this when using Graphs the query is sent to the database. The xFilesFactor set via this function is used as the default for all functions that accept an To turn on this feature, you must first add a new Row by past points, or a time interval. If the value is zero, draw the line at 0. Alignment can be to years, months, weeks, days, hours, and minutes. representation. You can then select the variable you want to repeat the row for. choose the cog button to access the Row Options configuration A basic LogQL query consists of two parts: the log stream selector and a filter expression. intervals, and maxDataPoints consolidation. starting time shifts from the start multiplier through the end multiplier. Returns n-percent of each series in the seriesList. It is also possible to negatively match a label value, or to match label values against regular expressions. to prevent line overlap. such as those used with from and until parameters. For Graphs the Useful for displaying on/off metrics, such as exit codes. If you preorder a special airline meal (e.g. 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 tried this ("/CA$/" in regex field) and I swear that it returns no result after this !!!!! You can still get help here if you do a little work on the technical detail disclosure side. For example, when querying the node_hwmon_chip_names Prometheus Then pause on the row title and based on the function applied to each series. For information about advanced syntax to override data source default formatting, see Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. Iterates over a two lists and subtracts series lists 2 through n from series 1 Schema regex: # The RE2 regular expression.