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annotate xml/ru/docs/http/ngx_http_split_clients_module.xml @ 580:be54c443235a

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Added copyright markers to documentation sources.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 10 Jul 2012 12:59:42 +0000
parents 74736c333906
children 764fbac1b8b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 <?xml version="1.0"?>
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2
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3 <!--
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4 Copyright (C) Igor Sysoev
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5 Copyright (C) Nginx, Inc.
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6 -->
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7
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
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9
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10 <module name="Модуль ngx_http_split_clients_module"
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11 link="/ru/docs/http/ngx_http_split_clients_module.html"
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12 lang="ru">
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13
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14 <section id="summary">
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15
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16 <para>
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17 Модуль <literal>ngx_http_split_clients_module</literal> создаёт переменные для
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18 A/B тестирования (также известного как “split-тестирование”).
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19 </para>
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20
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21 </section>
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22
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23
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24 <section id="example" name="Пример конфигурации">
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25
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26 <para>
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27 <example>
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28 http {
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29 split_clients "${remote_addr}AAA" $variant {
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30 0.5% .one;
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31 2.0% .two;
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32 * "";
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33 }
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34
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35 server {
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36 location / {
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37 index index${variant}.html;
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38 </example>
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39 </para>
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40
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41 </section>
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42
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43
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44 <section id="directives" name="Директивы">
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45
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46 <directive name="split_clients">
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47 <syntax block="yes">
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48 <value>строка</value>
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49 <value>$переменная</value></syntax>
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50 <default/>
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51 <context>http</context>
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52
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53 <para>
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54 Создаёт переменную для A/B тестирования, например:
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55 <example>
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56 split_clients "${remote_addr}AAA" $variant {
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57 0.5% .one;
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58 2.0% .two;
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59 * "";
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60 }
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61 </example>
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62 Значение исходной строки хэшируется с помощью MurmurHash2.
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63 В приведённом примере при значениях хэша от 0 до 21474835 (0.5%)
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64 переменная <var>$variant</var> получит значение <literal>".one"</literal>.
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65 При значениях хэша от 21474836 до 107374180 (2%) — <literal>".two"</literal>.
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66 И при значениях хэша от 107374181 до 4294967295 — <literal>""</literal>.
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67 </para>
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68
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69 </directive>
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70
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71 </section>
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72
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73 </module>