Mercurial > hg > ngx_http_upstream_keepalive
annotate README @ 27:f3b50effc1d4
Keepalive: add proxy tests.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 26 Jul 2011 12:52:34 +0400 |
parents | f3e74fbd0f0b |
children | a84573f16a0c |
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Keepalive: add license and some documentation.
Maxim Dounin <mdounin@mdounin.ru>
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1 Keepalive balancer module for nginx. |
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Keepalive: add license and some documentation.
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2 |
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3 This module implements cache for backend connections. As of now, it may |
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Keepalive: add license and some documentation.
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4 be used with memcached upstreams. |
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Keepalive: add license and some documentation.
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5 |
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Keepalive: add license and some documentation.
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6 Note: don't even try it with http backends. It won't work. |
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Keepalive: add license and some documentation.
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7 |
22
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8 Note: it's for nginx 0.7.* and up, won't work with nginx 0.6.*. |
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Keepalive: add license and some documentation.
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9 |
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10 Configuration directives: |
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Keepalive: add license and some documentation.
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11 |
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12 keepalive <num> [single] |
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13 |
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14 Scope: upstream |
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15 |
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16 Switches on keepalive module for the upstream in question. |
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17 |
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18 Parameters: |
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19 |
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20 - <num> |
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21 Maximum number of connections to cache. If there isn't enough |
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22 room to cache new connections - last recently used connections |
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23 will be kicked off the cache. |
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24 |
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25 - single |
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26 Treat everything as single host. With this flag connections |
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27 to different backends are treated as equal. |
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28 |
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29 Sample configuration: |
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30 |
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31 upstream memd { |
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32 server 127.0.0.1:11211; |
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33 server 10.0.0.2:11211; |
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34 keepalive 10; |
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35 } |
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36 |
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37 This module was tested to work with standard round-robin balancing, but |
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Keepalive: add license and some documentation.
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38 it's believed to be compatible with more sophisticated balancers. The only |
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Keepalive: add license and some documentation.
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39 requirement is to activate them *before* this module, e.g.: |
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Keepalive: add license and some documentation.
Maxim Dounin <mdounin@mdounin.ru>
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40 |
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Keepalive: add license and some documentation.
Maxim Dounin <mdounin@mdounin.ru>
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41 upstream memd { |
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Keepalive: add license and some documentation.
Maxim Dounin <mdounin@mdounin.ru>
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42 server 127.0.0.1:11211; |
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Keepalive: add license and some documentation.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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43 server 10.0.0.2:11211; |
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44 ip_hash; |
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45 keepalive 10; |
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Maxim Dounin <mdounin@mdounin.ru>
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46 } |
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Maxim Dounin <mdounin@mdounin.ru>
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47 |
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Keepalive: add license and some documentation.
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48 To compile nginx with keepalive module, use "--add-module <path>" option to |
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Keepalive: add license and some documentation.
Maxim Dounin <mdounin@mdounin.ru>
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49 nginx configure. |