Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_limit_req_module.xml @ 261:e93ece6bd34e
Fixed markup (added lot of links) and grammar.
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Wed, 21 Dec 2011 09:25:24 +0000 |
parents | b4afc16d1071 |
children | 945d7299c26c |
rev | line source |
---|---|
222
bfe3eff81d04
Removed redundant encoding specification.
Ruslan Ermilov <ru@nginx.com>
parents:
179
diff
changeset
|
1 <?xml version="1.0"?> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
4 |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
5 <module name="Модуль ngx_http_limit_req_module" |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
6 link="/ru/docs/http/ngx_http_limit_req_module.html" |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
7 lang="ru"> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
8 |
110
40eec261c2a6
Added proper support for anonymous sections, notably for the summary.
Ruslan Ermilov <ru@nginx.com>
parents:
102
diff
changeset
|
9 <section id="summary"> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
10 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
11 <para> |
243 | 12 Модуль <code>ngx_http_limit_req_module</code> (0.7.21) позволяет |
13 ограничить число запросов | |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
14 по заданному ключу или, как частный случай, число запросов с одного IP-адреса. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
15 Ограничение делается с помощью метода “leaky bucket”. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
16 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
17 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
18 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
19 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
20 <section name="Пример конфигурации" id="example"> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
21 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
22 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
23 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
24 http { |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
25 limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
26 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
27 ... |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
28 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
29 server { |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
30 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
31 ... |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
32 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
33 location /search/ { |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
34 limit_req zone=one burst=5; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
35 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
36 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
37 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
38 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
39 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
40 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
41 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
42 <section name="Директивы" id="directives"> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
43 |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
44 <directive name="limit_req"> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
45 <syntax> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
46 <parameter>zone</parameter>=<argument>название</argument> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
47 [<parameter>burst</parameter>=<argument>число</argument>] |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
48 [<parameter>nodelay</parameter>] |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
49 </syntax> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents:
76
diff
changeset
|
50 <default/> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
51 <context>http</context> |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
52 <context>server</context> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
53 <context>location</context> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
54 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
55 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
56 Директива задаёт зону (zone) и максимально возможные всплески запросов (burst). |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
57 Если скорость запросов превышает описанную в зоне, |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
58 то их обработка задерживается так, чтобы запросы обрабатывались |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
59 с заданной скоростью. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
60 Избыточные запросы задерживаются до тех пор, пока их число |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
61 не превысит заданное число всплесков. |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
62 В этом случае запрос завершается с ошибкой |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
63 <http-status code="503" text="Service Temporarily Unavailable"/>. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
64 По умолчанию число всплесков равно нулю. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
65 Например, директивы |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
66 <example> |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
67 limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
68 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
69 server { |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
70 location /search/ { |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
71 limit_req zone=one burst=5; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
72 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
73 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
74 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
75 позволяют в среднем не более 1 запроса в секунду |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
76 со всплесками не более 5 запросов. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
77 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
78 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
79 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
80 Если же избыточные запросы в пределах лимита всплесков задерживать |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
81 не требуется, то следует использовать параметр <parameter>nodelay</parameter>: |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
82 <example> |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
83 limit_req zone=one burst=5 nodelay; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
84 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
85 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
86 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
87 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
88 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
89 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
90 <directive name="limit_req_log_level"> |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
91 <syntax> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
92 <value>info</value> | |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
93 <value>notice</value> | |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
94 <value>warn</value> | |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
95 <value>error</value> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
96 </syntax> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
97 <default>error</default> |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
98 <context>http</context> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
99 <context>server</context> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
100 <context>location</context> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
101 <appeared-in>0.8.18</appeared-in> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
102 |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
103 <para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
104 Директива задаёт желаемый уровень записи в лог случаев ограничения |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
105 числа запросов и задержек при обработке запроса. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
106 Задержки записываются в лог с уровнем на единицу меньшим, чем ограничения, |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
107 например, если указано <command>limit_req_log_level notice</command>, |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
108 то задержки будут записываться в лог на уровне <value>info</value>. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
109 </para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
110 |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
111 </directive> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
112 |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
113 |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
114 <directive name="limit_req_zone"> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
115 <syntax> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
116 <argument>$переменная </argument> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
117 <parameter>zone</parameter>=<argument>название</argument>:<argument>размер </argument> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
118 <parameter>rate</parameter>=<argument>скорость</argument> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
119 </syntax> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
120 <default/> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
121 <context>http</context> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
122 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
123 <para> |
179
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
124 Директива задаёт параметры зоны, |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
125 которая хранит состояние для разных значений ключа. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
126 Состояние в частности хранит текущее число запросов. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
127 Ключом является значение заданной переменной. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
128 Пример использования: |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
129 <example> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
130 limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s; |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
131 </example> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
132 </para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
133 |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
134 <para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
135 В данном случае состояния хранятся в зоне “one” размером 10 мегабайт, |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
136 и средняя скорость запросов для этой зоны не может превышать |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
137 1 запроса в секунду. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
138 </para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
139 |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
140 <para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
141 В качестве ключа используется IP-адрес клиента. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
142 Обратите внимание, что вместо переменной <var>$remote_addr</var> используется |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
143 переменная <var>$binary_remote_addr</var>, позволяющая уменьшить |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
144 размер состояния до 64 байт. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
145 В зоне размером 1 мегабайт может разместиться около 16 тысяч состояний |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
146 размером 64 байта. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
147 При переполнении зоны в ответ на последующие запросы сервер будет |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
148 возвращать ошибку |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
149 <http-status code="503" text="Service Temporarily Unavailable"/>. |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
150 </para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
151 |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
152 <para> |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
153 Скорость задаётся в запросах в секунду (r/s). |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
154 Если же нужна скорость меньше одного запроса в секунду, |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
155 то она задаётся в запросах в минуту (r/m), например, |
8cc01e2179a9
- Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents:
110
diff
changeset
|
156 ползапроса в секунду — это 30r/m. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
157 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
158 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
159 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
160 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
161 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
162 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
163 </module> |