![]() "my machine"), classifies that source into a sourcetype (e.g., "syslog", Index-time Processing: Splunk reads data from a source, such as a file or port, onĪ host (e.g. Strptime formats are useful for eval functions strftime() and strptime(), and for timestamping of event data. Input on udp:514 can both have sourcetype=linux_syslog. Events with the same sourcetype can comeįrom different sources-events from the file /var/log/messages and from a syslog Server logs), or can be created on the fly by Splunk when it sees a source with dataĪnd formatting it hasn’t seen before. Sourcetypes, which can either be well known, such as access_combined (HTTP Web Originates – for example, /var/log/messages or UDP:514. ![]() Powerfully transformed using Splunk's search language to generate reports that liveĪ source is the name of the file, stream, or other input from which a particular event The events returned from a search can then be The event's text, and the event is classified by matching against eventtype definitions Retrieved from disk, fields (e.g., code=404, user=david.) are extracted from Search-time Processing: When a search starts, matching indexed events are Provides an easy way to find all data originating from a given device. EventtypesĪre essentially dynamic tags that get attached to an event if it matches the searchĪ host is the name of the physical or virtual device where an event originates. ![]() That had problems would get annotated with eventtype=problem. So, for example, if you were searching for "login", the logins In the context of log file, this is an event in a WebĮventtypes are cross-referenced searches that categorize events at search time.įor example, if you have defined an eventtype called "problem" that has a searchĭefinition of "error OR warn OR fatal OR fail", any time you do a search where a resultĬontains error, warn, fatal, or fail, the event will have an eventtype field/value withĮventtype=problem. Index, but you can create and specify other indexes for Splunk to use for differentĪn event is a single entry of data. By default, data you feed to Splunk is stored in the "main" When you add data to Splunk, Splunk processes it, breaking the data into individualĮvents, timestamps them, and then stores them in an index, so that it can be later License does not support user authentication. Whether or not someone is allowed to add data or edit a report. A role is a set of capabilities that you can define, like Permissions and can be kept private or shared with other users, via roles (e.g., Saved Splunk objects, such as savedsearches, eventtypes, reports, and tags,Įnrich your data, making it easier to search and understand. Troubleshooting email servers, one app for web analysis, and so on. Referred to as reports, and multiple reports can be placed on a common page, calledĪpps are collections of Splunk configurations, objects, and code, allowing you toīuild different environments that sit on top of Splunk. Search results with formatting information (e.g., as a table or chart) are informally Splunk uses linebreaking rules to determine how it breaks these events up for display in the searchĬopyright © 2013 Splunk Inc. Whole text document, a config file, or whole java stack trace. Many events are short and only take up a line or two, others can be long, such as a More specifically, an event is a set of values associated with a timestamp. netįind the index of the first recipient valueĪny char that is a thru z, 0 thru 9, or #ġ73.26.34.223 - "GET / Setting RecordNumber to be a multivalued field with all the varying values.įind all recipient values that end in. Filter results to only include those withįield contains IP addresses in the nonroutable class A (10.0.0.0/8).
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