As events are retrieved that match your search, the Fields sidebar updates the Selected Fields and Interesting Fields lists. To the left of the events list is the Fields sidebar. These are events for the Buttercup Games online store, so you might recognize other information and keywords in the search results, such as Arcade, Simulation, productId, categoryId, purchase, addtocart, and so on. HTTP status codes for each page request.URIs and URLs for the pages requested and referring pages.IP addresses for the users accessing the website.If you are familiar with the access_combined format of Apache logs, you might recognize some of the information in each event, such as: Scroll through the list of events in your search results.The source types can be access_common, access_combined, or access_combined_wcookie. This search uses a wildcard character ( * ) in the field value, access_*, to match any Apache web access source type. This search indicates that you want to retrieve only events from your web access logs and nothing else. To search the sourcetype field for any values that begin with access_, run the following search.Notice that the time range is set back to the default Last 24 hours. Click Search in the App bar to start a new search. Quotation marks are required when the field values include spaces.Field names are case sensitive, but field values are not.When you search for fields, you use the syntax field_name= field_value. The default fields and other indexed fields are extracted for each event when your data is indexed. During search time, certain types of event processing take place, such as search time field extraction, field aliasing, source type renaming, event type matching, and so on. Search time The period of time beginning when a search is launched and ending when the search finishes. Default fields and timestamps are extracted, and transforms are applied. During index time, the data is parsed into segments and events. Index time The time span from when the Splunk software receives new data to when the data is written to an index. The Splunk software extracts fields from event data at index time and at search time. Use fields to write more tailored searches to retrieve the specific events that you want. Not all events have the same fields and field values. While the From field will contain only a single email address, the To and Cc fields have one or more email addresses associated with them.įields are searchable name and value pairings that distinguish one event from another. One of the more common examples of multivalue fields is email address fields.Some examples of fields are clientip for IP addresses accessing your Web server, _time for the timestamp of an event, and host for domain name of a server.A field can be multivalued, that is, a field in a single event can have multiple values in a field. Often, a field is a value with a fixed, delimited position on a line, or a name and value pair, where there is a single value to each field name. To take advantage of the advanced search features in the Splunk software, you must understand what fields are and how to use them.įields exist in machine data in many forms.
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