Mercurial > hg > nginx-site
annotate 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> |
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date | Tue, 11 Oct 2011 12:57:50 +0000 |
parents | |
children | 1d315ef37215 |
rev | line source |
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76
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1 <?xml version="1.0" encoding="utf-8"?> |
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2 |
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3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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4 |
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5 <module name="Директивы модуля ngx_http_split_clients_module" |
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6 link="/ru/docs/http/ngx_http_split_clients_module.html" |
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7 lang="ru"> |
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8 |
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9 <section name="" id="summary"> |
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10 |
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11 <para> |
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12 Модуль ngx_http_split_clients_module создаёт переменные для |
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13 A/B split-тестирования. |
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14 </para> |
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15 |
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16 </section> |
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17 |
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18 |
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19 <section name="Пример конфигурации" id="example"> |
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20 |
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21 <para> |
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22 <example> |
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23 http { |
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24 split_clients "${remote_addr}AAA" $variant { |
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25 0.5% .one; |
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26 2.0% .two; |
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27 * ""; |
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28 } |
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29 |
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30 server { |
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31 location / { |
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32 index index${variant}.html; |
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33 </example> |
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34 </para> |
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35 </section> |
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36 |
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37 |
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38 <section name="Директивы" id="directives"> |
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39 |
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40 <directive name="split_clients"> |
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41 <syntax>split_clients <value>$переменная1 $переменная2 { ... }</value></syntax> |
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42 <default>нет</default> |
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43 <context>http</context> |
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44 |
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45 <para> |
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46 Директива создаёт переменную для A/B split-тестирования, например: |
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47 <example> |
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48 split_clients "${remote_addr}AAA" $variant { |
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49 0.5% .one; |
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50 2.0% .two; |
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51 * ""; |
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52 } |
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53 </example> |
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54 Значение исходной строки переменных хэшируется с помощью CRC32. |
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55 В приведённом примере при значениях хэша от 0 до 21474836 (0.5%) |
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56 переменная $variant получит значение ".one". |
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57 При значениях хэша от 21474837 до 107374182 (2%) — ".two". |
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58 И при значениях хэша от 107374183 до 4294967297 — "". |
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59 </para> |
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60 |
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61 </directive> |
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62 |
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63 </section> |
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64 |
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65 </module> |