January 2013
Beginner to intermediate
448 pages
9h 16m
English
book
Implementing Splunk: Big Data Reporting and Development for Operational Intelligence
by VINCENT BUMGARNER
Content preview from Implementing Splunk: Big Data Reporting and Development for Operational IntelligenceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using stats to aggregate values
While top is very convenient, stats is extremely versatile. The basic structure of a stats statement is:
stats functions by fields
Many of the functions available in stats mimic similar functions in SQL or Excel, but there are many functions unique to Splunk. The simplest stats function is count. Given the following query, the results will contain exactly one row, with a value for the field count:
sourcetype="impl_splunk_gen" error | stats count
Using the by clause, stats will produce a row per unique value for each field listed, which is similar to the behavior of top. Run the following query:
sourcetype="impl_splunk_gen" error | stats count by logger user
It will produce a table like that shown in the following screenshot: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.