Mercurial > hg > nginx-site
view xml/ru/docs/http/ngx_http_split_clients_module.xml @ 76:4a4caa566120
Russian documentation import.
Changes in module.dtd: <example> now allowed to contain <value> and
<emphasis> elements (we need this to show important parts in examples),
less strict checking of <directive> syntax (we don't want to fully
document some directives, notably deprecated ones).
Known issues:
1. <syntax> elements are preserved as is, they will require manual conversion
(likely to some not-yet-existed format a la DocBook cmdsynopsis, as
currently used one seems to be incomplete);
2. <value> no longer corresponds to replaceable content, and it's use in
examples isn't correct;
3. <link doc="document#fragment"> doesn't work with current xslt, either
should be supported or changed to <link doc="document" id="fragment">.
The following files are intentionally omitted: maillists.xml (support.xml
should be used instead), experimental.xml (obsolete), faq.xml (conflicts
with existing one, needs discussion).
Not yet linked to site.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 11 Oct 2011 12:57:50 +0000 |
parents | |
children | 1d315ef37215 |
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<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> <module name="Директивы модуля ngx_http_split_clients_module" link="/ru/docs/http/ngx_http_split_clients_module.html" lang="ru"> <section name="" id="summary"> <para> Модуль ngx_http_split_clients_module создаёт переменные для A/B split-тестирования. </para> </section> <section name="Пример конфигурации" id="example"> <para> <example> http { split_clients "${remote_addr}AAA" $variant { 0.5% .one; 2.0% .two; * ""; } server { location / { index index${variant}.html; </example> </para> </section> <section name="Директивы" id="directives"> <directive name="split_clients"> <syntax>split_clients <value>$переменная1 $переменная2 { ... }</value></syntax> <default>нет</default> <context>http</context> <para> Директива создаёт переменную для A/B split-тестирования, например: <example> split_clients "${remote_addr}AAA" $variant { 0.5% .one; 2.0% .two; * ""; } </example> Значение исходной строки переменных хэшируется с помощью CRC32. В приведённом примере при значениях хэша от 0 до 21474836 (0.5%) переменная $variant получит значение ".one". При значениях хэша от 21474837 до 107374182 (2%) — ".two". И при значениях хэша от 107374183 до 4294967297 — "". </para> </directive> </section> </module>