要优化nginx日志中的响应时间，可以从多个方面入手。以下是一些具体的优化措施：
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gzip on;
gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xmlrss text/javascript;
gzip_min_length 1k;
gzip_comp_level 5;
location ~* \.(?:jpg|jpeg|gif|png|ico|woff2)$ {
expires 1M;
add_header Cache-Control "public";
}
listen 443 ssl http2;
keepalive_timeout和keepalive_requests参数来优化长连接的管理。worker_processes auto;
worker_connections 1024;
keepalive_timeout 65;
keepalive_requests 100;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDHAESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA:DHE-RSA-AES128-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 1h;
proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=my_cache:10m max_size=10g inactive=60m use_temp_path off;
proxy_cache my_cache;
proxy_cache_valid 200 302 10m;
proxy_cache_valid 404 1m;
proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
log_format timed_combined 'remote_addr - remote_user [time_local] "request" ' 'status body_bytes_sent "http_referer" ' '"http_user_agent" "http_x_forwarded_for" ' 'request_time upstream_response_time';
access_log /data/wwwlogs/access_nginx.log timed_combined;
通过上述措施，可以有效优化nginx日志中的响应时间，提高服务器的性能和用户体验。请根据实际情况调整配置参数，并进行充分的测试以确保优化效果。
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