February 2011
Intermediate to advanced
332 pages
9h 3m
English
Content preview from Squid Proxy Server 3.1: Beginner's GuideBecome 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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Making non-concurrent helpers concurrent
Helper concurrency is a relatively new concept in Squid and is supported only within Squid versions 3.2 or later. However, there is a contributed script called helper-mux that can convert our old style non-concurrent helper programs into a concurrent helper, thus improving the overall helper performance by a significant amount.
The purpose of the helper-mux program is to share some of the load that Squid has to handle while dealing with relatively slower helper programs. The helper multiplexer program acts as a medium through which Squid and actual helper programs exchange messages. So, the helper multiplexer's interface with Squid is totally concurrent and while talking to the actual helper program, it ...
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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.