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Splunk 7 Essentials - Third Edition by Betsy Page Sigman, Erickson Delgado, J-P Contreras

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Machine data

As mentioned previously, much of Splunk's data capability is focused on machine data. Machine data is data created each time a machine does something, even if it is as seemingly insignificant as a successful user login. Each event has information about its exact time (down to the second or millisecond) and source, and each of these becomes a field associated with the event. The term machine data can be used in reference to a wide variety of data coming from computerized machines, from servers to operating systems to controllers for robotic assembly arms. Almost all machine data includes the time it was created or when the actual event took place. If no timestamp is included, then Splunk will need to find a date in the source ...

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