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1.1 ʲôÊÇHTTP³¤ÅþÁ¬

HTTP³¤ÅþÁ¬ÊÇÖ¸¿Í»§¶ËÓëЧÀÍÆ÷Ö®¼ä½¨ÉèÒ»Ìõ³¤ÆÚµÄTCPÅþÁ¬£¬ÔÚÒ»¸öTCPÅþÁ¬ÖпÉÒÔ´«Êä¶à¸öHTTPÇëÇóºÍÏìÓ¦£¬´Ó¶ø×èÖ¹ÁËƵÈÔ½¨ÉèºÍ¹Ø±ÕÅþÁ¬µÄ¿ªÏú¡£

1.2 HTTP³¤ÅþÁ¬µÄʵÏÖÔ­Àí

Nginxͨ¹ýÉèÖÃHTTPÍ·²¿µÄ”Connection”×Ö¶ÎΪ”keep-alive”À´ÊµÏÖHTTP³¤ÅþÁ¬¡£µ±¿Í»§¶Ë·¢ËÍÒ»¸ö´øÓДConnection: keep-alive”Í·²¿µÄHTTPÇëÇóʱ£¬NginxÔÚÏìÓ¦ÖÐÒ²»á¼á³ÖÕâ¸öÅþÁ¬·­¿ª£¬Ö±µ½µÖ´ïÒ»¶¨µÄʱ¼ä»òÇëÇóÊýÄ¿ÉÏÏ޲Żá¹Ø±ÕÅþÁ¬¡£

1.3 HTTP³¤ÅþÁ¬µÄÓÅÊÆ

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http {
    keepalive_timeout 65;
    keepalive_requests 100;
    
    server {
        listen 80;
        server_name example.com;

        location / {
            proxy_pass http://backend;
            proxy_set_header Connection "keep-alive";
        }
    }
}

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2.1 ʲôÊÇHTTP/2¶à·¸´ÓÃ

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2.2 HTTP/2¶à·¸´ÓõÄʵÏÖÔ­Àí

Nginxͨ¹ýʹÓöþ½øÖÆÖ¡ºÍÁ÷µÄ¿´·¨À´ÊµÏÖHTTP/2µÄ¶à·¸´Óá£ÔÚÒ»¸öTCPÅþÁ¬ÖУ¬Ã¿¸öHTTPÇëÇó±»·ÖÅÉÒ»¸öΨһµÄÁ÷±êʶ·û£¬²¢Í¨¹ýÖ¡µÄ·½·¨¾ÙÐд«Êä¡£Nginx¿ÉÒÔͬʱ´¦Àí¶à¸öÁ÷£¬ÎÞÐèÆÚ´ýÇ°Ò»¸öÇëÇóµÄÏìÓ¦·µ»Ø¡£

2.3 HTTP/2¶à·¸´ÓõÄÓÅÊÆ

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http {
    listen 443 http2;
    server_name example.com;

    location / {
        proxy_pass http://backend;
        proxy_http_version 2.0;
    }
}

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