July 2015
Beginner to intermediate
506 pages
10h 22m
English
Content preview from Implementing Splunk (Update)Become 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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Reducing summary index size
If the saved search populating a summary index produces too many results, the summary index is less effective at speeding up searches. This usually occurs because one or more of the fields used for grouping has more unique values than expected.
One common example of a field that can have many unique values is the URL in a web access log. The number of URL values might increase in instances where:
- The URL contains a session ID
- The URL contains search terms
- Hackers are throwing URLs at your site trying to break in
- Your security team runs tools looking for vulnerabilities
On top of this, multiple URLs can represent exactly the same resource, as follows:
/home/index.html/home//home/index.html?a=b/home/?a=b
We will cover a few approaches ...
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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.