回答編集履歴
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追記
test
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@@ -89,3 +89,111 @@
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server www_01 yyy.yyy.yyy.yyy:8080 weight 1 maxconn 100 check inter 10s rise 2 fall 2
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```
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負荷が集中したページ配下のみで制御するには、ある程度ディレクトリを分割して`backend www_backend`を定義します。
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以下の例では、/dir1を接続数10, /dir2を接続数20、/dir3を接続数30に制限しています。
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```
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frontend www
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bind xxx.xxx.xxx.xxx:80
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acl acl_dir1 path_beg /dir1
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acl acl_dir2 path_beg /dir2
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acl acl_dir3 path_beg /dir3
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use_backend www_backend_dir1 if acl_dir1
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use_backend www_backend_dir2 if acl_dir2
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use_backend www_backend_dir3 if acl_dir3
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default_backend www_backend
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backend www_backend
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mode http
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balance leastconn
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option forwardfor
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#option httpchk GET /path/to/health_check
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#http-check expect status 200
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timeout server 60s
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server www_01 yyy.yyy.yyy.yyy:8080 weight 1 maxconn 100 check inter 10s rise 2 fall 2
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backend www_backend_dir1
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mode http
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balance leastconn
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option forwardfor
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#option httpchk GET /path/to/health_check
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#http-check expect status 200
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timeout server 60s
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server www_01 yyy.yyy.yyy.yyy:8080 weight 1 maxconn 10 check inter 10s rise 2 fall 2
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backend www_backend_dir2
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mode http
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balance leastconn
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option forwardfor
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#option httpchk GET /path/to/health_check
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#http-check expect status 200
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timeout server 60s
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server www_01 yyy.yyy.yyy.yyy:8080 weight 1 maxconn 20 check inter 10s rise 2 fall 2
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backend www_backend_dir3
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mode http
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balance leastconn
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option forwardfor
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#option httpchk GET /path/to/health_check
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#http-check expect status 200
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timeout server 60s
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server www_01 yyy.yyy.yyy.yyy:8080 weight 1 maxconn 30 check inter 10s rise 2 fall 2
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```
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