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Implementing Splunk: Big Data Reporting and Development for Operational Intelligence by Vincent Bumgarner

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Using timechart to show values over time

timechart lets us show numerical values over time. It is similar to the chart command, except that time is always plotted on the x axis. Here are a couple of things to note:

  • The events must have an _time field. If you are simply sending the results of a search to timechart, this will always be true. If you are using interim commands, you will need to be mindful of this requirement.
  • Time is always "bucketed", meaning that there is no way to draw a point per event.

Let's see how many errors have been occurring:

sourcetype="impl_splunk_gen" error | timechart count

The default chart will look something like this:

Now let's see how many errors have occurred per user over the same time period. We simply need to add ...

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