December 2000
Intermediate to advanced
784 pages
20h 54m
English
Content preview from Network Programming with Perl
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Performance Measures
How much do preforking and prethreading improve performance? For preforking, the advantage is clear. Because of the overhead of launching new processes, heavily loaded servers generally see a marked performance boost when going from a conventional accept-and-fork design to preforking. In fact, when I used the standard WebStone benchmark [http://www.mindcraft.com/webstone] to compare the connection rate of the accept-and-fork server of Figure 15.3 and the preforking server of Figure 15.5 on a Linux system, I saw an approximately fivefold increase in performance at heavy load levels after adjusting for the overhead of the actual file transfer.
The situation is less clear-cut for threaded servers. The overhead for thread creation ...
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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.
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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.