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annotate xml/ru/docs/http/ngx_http_split_clients_module.xml @ 2965:23eedf89fd5d

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Updated QUIC documentation after QUIC code merge. - removed http3_max_concurrent_pushes, http3_push http3_push_preload, quic_mtu - updated apperared-in version - update of quic.xml, adding Rus translation
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 23 May 2023 16:44:47 +0100
parents 813b8349cdbe
children
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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 rev="2">
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14
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15 <section id="summary">
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16
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17 <para>
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18 Модуль <literal>ngx_http_split_clients_module</literal> создаёт переменные для
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19 A/B тестирования (также известного как “split-тестирование”).
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20 </para>
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21
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22 </section>
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23
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24
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25 <section id="example" name="Пример конфигурации">
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26
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27 <para>
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28 <example>
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29 http {
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30 split_clients "${remote_addr}AAA" $variant {
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31 0.5% .one;
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32 2.0% .two;
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33 * "";
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34 }
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35
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36 server {
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37 location / {
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38 index index${variant}.html;
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39 </example>
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40 </para>
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41
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42 </section>
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44
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45 <section id="directives" name="Директивы">
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46
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47 <directive name="split_clients">
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48 <syntax block="yes">
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49 <value>строка</value>
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50 <value>$переменная</value></syntax>
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51 <default/>
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52 <context>http</context>
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53
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54 <para>
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55 Создаёт переменную для A/B тестирования, например:
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56 <example>
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57 split_clients "${remote_addr}AAA" $variant {
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58 0.5% .one;
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59 2.0% .two;
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60 * "";
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61 }
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62 </example>
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63 Значение исходной строки хэшируется с помощью MurmurHash2.
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64 В приведённом примере при значениях хэша от 0 до 21474835 (0.5%)
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65 переменная <var>$variant</var> получит значение <literal>".one"</literal>.
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66 При значениях хэша от 21474836 до 107374180 (2%) — <literal>".two"</literal>.
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67 И при значениях хэша от 107374181 до 4294967295 — <literal>""</literal>
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68 (пустая строка).
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69 </para>
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70
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71 </directive>
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72
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73 </section>
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74
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75 </module>