It is said that PHP harvesting is very expensive server resources, which process consumes the server resources?

Source: Internet
Author: User
It is said that PHP collection is very expensive server resources, which process consumes the server resources?
Recently studying the PHP collection program

The acquisition process is to obtain data, then process the data, and finally the storage

Personally think that the elimination of duplicate data storage is the most expensive server resources, we think??

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Landlord this problem, almost certainly will not have a clear and unique answer. Related to specific business content. Network traffic at the time of acquisition, processing after data mining, database writing, and even storage capacity can be bottlenecks.

I have done a web-capture program, is also a collection of it, concurrent Baiba HTTP Request to the network burst.


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Stealing data down the network resources
Analyze data fee system resources
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The collection of other people's pages to occupy a large network
Analyze matching files to occupy system resources
Write to Database ~ you know that.
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file_get_contents function will consume network resources,
Preg_match_all and Preg_replace function consumes CPU resources, and is not the general CPU consumption, you can go to simulate computing time
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