Splunk expand array. hardware. name. Mar 12, 2021 · Hi, am I doing this correct or is there another way to tabulate this JSON? I've seen many examples on the forums of people using mvexpand and mvzip to tabulate their JSON but this is working with just a few fields rather than a handful and not to any depths. For additional examples, see expand command examples and flatten command examples. Can you define "not efficient"? (Also, when you illustrate JSON data, please use conformant JSON format, not Splunk's preformatted form. Expand the values in a specific field 2. The foreach command enables you to iterate over JSON arrays and multivalues, preventing expensive searches for large datasets or hitting memory limits. It does a the limitation of only able to extract two multi valued fields from the data and get very slow with large data sets. I use this method to to extract multilevel deep fields with multiple values. numReturnedMatches">0 in the main search. storage. For example, given these events, with sourcetype=data: Apr 23, 2020 · Here is the nested json array that I would like to split into a table of individual events, based on the computer. Use the SELECT command to specify several fields in the event, including a field called bridges for the array. Expand the outer array First you must expand the objects in the outer array. If mvexpand is too expensive, try stats. partition{} and computer. general. ) One improvement I can see is to put "msg. Sep 7, 2018 · Some of the fields are arrays in the format of ['23458567','234523456978090','234568957078654'] if the array is empty its simply filled with []. What makes mvexpand useful is its ability to duplicate events based on each value within a single field. Does anyone know how to turn a single JSON event with an array of N sub-items into N events, each with one sub-item? This example walks through how to expand an event with more than one multivalue field into individual events for each field value. Apr 10, 2025 · Use the SPL2 expand command on a field that contains an array of values to produce a separate result row for each object in the array. device. If omitted limit defaults to 0, which means there is no limit and all values are expanded. The example covers the first, the question concerns the second. Nested arrays You can expand nested arrays by using multiple sets of the expand and flatten commands. logMessage. Description: Specifies the number of values to expand in the multivalue field array. Jun 18, 2025 · Hello Splunkers !! How can I efficiently use the mvexpand command to expand multiple multi-value fields, considering its high resource consumption and expensive command? Please guide me Use the SPL2 expand command on a field that contains an array of values to produce a separate result row for each object in the array. For example, what you are The expand command is often used with the flatten command. Default: 0. Use the FROM command with an empty dataset literal to create a timestamp field called _time in the event. If there are any remaining values in the array those values are dropped. For example, given these events, with sourcetype=data: Apr 10, 2025 · mvexpand command: Examples 1. Use these links to quickly navigate to the main sections in this topic:. Nov 25, 2022 · I have a scenario where i want to expand the field and show as individual events. For an example of how these two commands are used together, see expand command overview. Oct 30, 2013 · The difference is this: { var : val1, var : val2, var : val3 } vs this var : [val1, val2, val3]. Use the SELECT command to specify several fields in the event, including a field called bridges for the array. Use the SPL2 expand command on a field that contains an array of values to produce a separate result row for each object in the array. If there are other fields in the original event, those field values are included in the new rows when the array is expanded. hbv vyuky sfspq vltztb aexl ysfr wxghz bupod kgdic kst