September 2002
Intermediate to advanced
464 pages
11h 5m
English
Content preview from Performance Analysis for Java™ Web SitesBecome 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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Chapter 13. Common Bottleneck Symptoms
A performance test uncovers performance problems. The tougher task is solving the problems the test uncovers. This chapter discusses how to recognize and eliminate common bottlenecks you might encounter in your testing or even in production. We describe the common patterns of underutilization, bursty utilization, high utilization, and uneven cluster loading. For each pattern, we discuss the symptoms, as well how to diagnose and resolve the problem behind them.
Underutilization
Underutilization describes a system unable to reach full CPU utilization. Let's review the common symptoms of this problem.
Client and server machines in your test systems never reach their full CPU utilization, regardless of how much ...
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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.