This scenario is to limit the download speed of a single connection, the number of connections that limit a single IP, or the number of requests per unit of time, and the experimental environment nginx1.9.x. Small examples of the main, specific
URL length restrictions in HTTP (data collation)
URL length limit in HTTP
First of all, in fact the HTTP 1.1 protocol to the length of the URL is unrestricted, the original protocol:
The HTTP protocol does not place any a priori limit on the
Users get used to the convenience and convenience of passing parameters in URLs. However, most people do not know how to request a page through get and pass a too long parameter, the IE browser automatically intercepts characters that exceed the
In the previous article, "High concurrency system limited-current stunt", the current limit algorithm, application-level current limit, and distributed current limit are introduced in this paper. The Access layer current limit implementation is
A large amount of data plane question arrangement 1. Given a, b two files, each store billions of URLs, each URL is 64 bytes, memory limit is 4G, let you find a, b file common URL?Scenario 1: You can estimate the size of each file is 50gx64=320g,
Maximum URL length limit:
The URL cannot be greater than 255bytes, which is mentioned in RFC2616:
The HTTP protocol does not place any a priori limit on the length of a URI. servers MUST be able to handle the URI of any resource they serve,
As a result of the previous Web project, to use Get method to get data, but the results are often error, after careful investigation to find that the original URL length exceeded the limit, by shortening the URL and send multiple requests to solve
Given a, b two files, each store 5 billion URLs, each URL occupies 64 bytes, memory limit is 4G, how to find a, b file common URL?You can estimate the size of each file as5g*64=300g, far greater than4G. So it is not possible to fully load it into
In the development of debugging Alipay interface, suddenly found that Alipay interface is very long, far more than the previous impression of 255 characters. Hurriedly search verified a few, understand the following: URL can not be greater than
the solution for which limit and in cannot be used concurrently in MySQL.Category: MySQL2011-10-31 13:53 1277 people read comments (0) favorite reports Mysqlsubquery MySQL5.1 Neutron query cannot use limit, error: "This version of the MySQL
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