This function processes field values as strings. Closing this box indicates that you accept our Cookie Policy. Returns the UNIX time of the latest (most recent) occurrence of a value of the field. You need to use a mvindex command to only show say, 1 through 10 of the values () results: | stats values (IP) AS unique_ip_list_sample dc (IP) AS actual_unique_ip_count count as events by hostname | eval unique_ip_list_sample=mvindex (unique_ip_value_sample, 0, 10) | sort -events When you use a statistical function, you can use an eval expression as part of the statistical function. The stats command calculates statistics based on fields in your events. The topic did not answer my question(s) Use eval expressions to count the different types of requests against each Web server, 3. See why organizations around the world trust Splunk. Returns the sum of the squares of the values of the field X. To illustrate what the list function does, let's start by generating a few simple results. However, you can only use one BY clause. We continue the previous example but instead of average, we now use the max(), min() and range function together in the stats command so that we can see how the range has been calculated by taking the difference between the values of max and min columns. If your stats searches are consistently slow to complete you can adjust these settings to improve their performance, but at the cost of increased search-time memory usage, which can lead to search failures. current, Was this documentation topic helpful? Patient Treatment Flow Dashboard 4. eCommerce Websites Monitoring Dashboard 5. Below we see the examples on some frequently used stats command. Run the following search to use the stats command to determine the number of different page requests, GET and POST, that occurred for each Web server. Other. The Stats function tracks the latest timestamp it received in the stream as the "current" time, and it determines the start and end of windows using this timestamp. Connect with her via LinkedIn and Twitter . Splunk Application Performance Monitoring, Compatibility Quick Reference for SPL2 commands, Compatibility Quick Reference for SPL2 evaluation functions, Overview of SPL2 stats and chart functions, SPL2 Stats and Charting Functions Quick Reference. The result of the values (*) function is a multi-value field, which doesn't work well with replace or most other commands and functions not designed for them. Returns the minimum value of the field X. Splunk, Splunk>, Turn Data Into Doing, and Data-to-Everything are trademarks or registered trademarks of Splunk Inc. in the United States and other countries. [BY field-list ] Complete: Required syntax is in bold. Please try to keep this discussion focused on the content covered in this documentation topic. 'stats' command: limit for values of field 'FieldX' reached. This function is used to retrieve the last seen value of a specified field. Th first few results look something like this: Notice that each result appears on a separate row, with a line between each row. Sparkline is a function that applies to only the chart and stats commands, and allows you to call other functions. Per the Splunk documentation: Description: Calculate aggregate statistics over the dataset, similar to SQL aggregation. source=all_month.csv place=*California* | stats count, max(mag), min(mag), range(mag), avg(mag) BY magType, Find the mean, standard deviation, and variance of the magnitudes of the recent quakes. If more than 100 values are in the field, only the first 100 are returned. In the table, the values in this field are used as headings for each column. If the values of X are non-numeric, the minimum value is found using lexicographical ordering. The firm, service, or product names on the website are solely for identification purposes. Also, calculate the revenue for each product. Syntax Simple: stats (stats-function ( field) [AS field ]). | from [{},{},{},{},{},{},{},{},{},{},{}] | streamstats count AS rowNumber. sourcetype=access_* | top limit=10 referer | stats sum(count) AS total. If called without a by clause, one row is produced, which represents the aggregation over the entire incoming result set. Make changes to the files in the local directory. Search the access logs, and return the total number of hits from the top 100 values of "referer_domain", 3. This example uses the All Earthquakes data from the past 30 days. Usage Of Splunk EVAL Function : MVMAP This function takes maximum two ( X,Y) arguments. stats, and This is similar to SQL aggregation. If stats are used without a by clause only one row is returned, which is the aggregation over the entire incoming result set. Returns the arithmetic mean of the field X. What am I doing wrong with my stats table? If you don't specify a name for the results using the `AS syntax, then the names of the columns are the name of the field and the name of the aggregation. Splunk experts provide clear and actionable guidance. Returns the sum of the values of the field X. A data platform built for expansive data access, powerful analytics and automation, Cloud-powered insights for petabyte-scale data analytics across the hybrid cloud, Search, analysis and visualization for actionable insights from all of your data, Analytics-driven SIEM to quickly detect and respond to threats, Security orchestration, automation and response to supercharge your SOC, Instant visibility and accurate alerts for improved hybrid cloud performance, Full-fidelity tracing and always-on profiling to enhance app performance, AIOps, incident intelligence and full visibility to ensure service performance, Transform your business in the cloud with Splunk, Build resilience to meet todays unpredictable business challenges, Deliver the innovative and seamless experiences your customers expect. If there are two distinct hosts and two distinct sourcetypes, the search will produce results similar to this: This example counts the values in the action field and organized the results into 30 minute time spans. Tech Talk: DevOps Edition. Using a stats avg function after an eval case comm How to use stats command with eval function and di How to use tags in stats/eval expression? If you use Splunk Cloud Platform, you need to file a Support ticket to change these settings. The order of the values is lexicographical. Read focused primers on disruptive technology topics. This example searches the web access logs and return the total number of hits from the top 10 referring domains. This documentation applies to the following versions of Splunk Enterprise: | eventstats latest(LastPass) AS LastPass, earliest(_time) AS mostRecentTestTime For the list of statistical functions and how they're used, see "Statistical and charting functions" in the Search Reference . The count() function is used to count the results of the eval expression. Returns the list of all distinct values of the field X as a multivalue entry. latest(histID) AS currentHistId, earliest(histID) AS lastPassHistId BY testCaseId. Make the wildcard explicit. Returns the theoretical error of the estimated count of the distinct values in the field X. If there are two distinct hosts, the results are returned as a table similar to this: You can also specify more than one aggregation and with the stats command. In those situations precision might be lost on the least significant digits. All of the values are processed as numbers, and any non-numeric values are ignored. You can use this function with the stats, streamstats, and timechart commands. Read focused primers on disruptive technology topics. 6.5.7, 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5, 7.0.6, 7.0.7, 7.0.8, 7.0.9, 7.0.10, 7.0.11, 7.0.13, 7.1.0, 7.1.1, 7.1.2, 7.1.3, 7.1.4, 7.1.5, 7.1.6, 7.1.7, 7.1.8, 7.1.9, 7.1.10, 7.2.0, 7.2.1, 7.2.2, 7.2.3, 7.2.4, 7.2.5, 7.2.6, 7.2.7, 7.2.8, 7.2.9, 7.2.10, 7.3.0, 7.3.1, 7.3.2, 7.3.3, 7.3.4, 7.3.5, 7.3.6, 7.3.7, 7.3.8, 8.0.2, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8, 8.0.9, 8.0.10, 8.1.0, 8.1.1, 8.1.2, 8.1.3, 8.1.4, 8.1.5, 8.1.6, 8.1.7, 8.1.8, 8.1.9, 8.1.10, 8.1.11, 8.1.12, 8.1.13, 8.2.0, 8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.2.5, 8.2.6, 8.2.7, 8.2.8, 8.2.9, 8.2.10, 9.0.0, 9.0.1, 9.0.2, 9.0.3, 9.0.4, 7.3.9, 8.0.0, 8.0.1, Was this documentation topic helpful? Add new fields to stats to get them in the output. | stats count(eval(match(from_domain, "[^\n\r\s]+\.com"))) AS ".com", Analyzing data relies on mathematical statistics data. When you set check_for_invalid_time=true, the stats search processor does not return results for searches on time functions when the input data does not include _time or _origtime fields. Used in conjunction with. registered trademarks of Splunk Inc. in the United States and other countries. Enter your email address, and someone from the documentation team will respond to you: Please provide your comments here. I want to list about 10 unique values of a certain field in a stats command. | FROM main SELECT dataset(department, username), | FROM main SELECT dataset(uid, username) GROUP BY department. You need to use a mvindex command to only show say, 1 through 10 of the values() results: If you have multiple fields that you want to chop (i.e. If the destination field matches to an already existing field name, then it overwrites the value of the matched field with the eval expression's result. See why organizations around the world trust Splunk. Ask a question or make a suggestion. The list function returns a multivalue entry from the values in a field. A data platform built for expansive data access, powerful analytics and automation, Cloud-powered insights for petabyte-scale data analytics across the hybrid cloud, Search, analysis and visualization for actionable insights from all of your data, Analytics-driven SIEM to quickly detect and respond to threats, Security orchestration, automation and response to supercharge your SOC, Instant visibility and accurate alerts for improved hybrid cloud performance, Full-fidelity tracing and always-on profiling to enhance app performance, AIOps, incident intelligence and full visibility to ensure service performance, Transform your business in the cloud with Splunk, Build resilience to meet todays unpredictable business challenges, Deliver the innovative and seamless experiences your customers expect. Accelerate value with our powerful partner ecosystem. The error represents a ratio of the. However, since events may arrive out of order, the grace period argument allows the previous window W to remain "open" for a certain period G after its closing timestamp T. Until we receive a record with a timestamp C where C > T + G, any incoming events with timestamp less than T are counted towards the previous window W. See the Stats usage section for more information. For example, the following search uses the eval command to filter for a specific error code. One row is returned with one column. Calculates aggregate statistics over the results set, such as average, count, and sum. If you are familiar with SQL but new to SPL, see Splunk SPL for SQL users. distinct_count() Returns the difference between the maximum and minimum values of the field X ONLY IF the values of X are numeric. I getting I need to add another column from the same index ('index="*appevent" Type="*splunk" ). You must be logged into splunk.com in order to post comments. Closing this box indicates that you accept our Cookie Policy. How can I limit the results of a stats values() function? The stats command is used to calculate summary statistics on the results of a search or the events retrieved from an index.