Nginx在接收代理服務器的數據後,會根據cache的配置將這些數據緩存到本地硬盤。當客戶端下次訪問相同的數據,Nginx服務器將直接從硬盤檢索到響應的數據返回給用戶,從而減少與被代理服務器交互的時間。
附上自己的 nginx.conf
#user nobody;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
server {
listen 8388;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
root html;
index index.html index.htm;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;
# location / {
# root html;
# index index.html index.htm;
# }
#}
# HTTPS server
#指定緩存位置、緩存名稱、內存中緩存內容元數據信息大小限制、緩存總大小限制。緩存位置是一個目錄應該先創建好,nginx並不會幫我們創建這個緩存目錄
#loader_threshold - 迭代的持續時間,以毫秒爲單位(默認爲200)
#loader_files - 在一次迭代期間加載的最大項目數(默認爲100)
#loader_sleeps - 迭代之間的延遲(以毫秒爲單位)(默認爲50)
#max_size-設置緩存數據上限
#purger=on -該參數表示永久的遍歷所有緩存條目,並刪除與通配符相匹配的條目
#inactive=5m inactive的時間表示一個文件在指定時間內沒有被訪問過,就從存儲系統中移除,不管你proxy_cache_valid裏設置的時間是多少
proxy_cache_path D://windownginx/nginx-1.17.9/conf/cache keys_zone=one:10m inactive=5m max_size=10g loader_threshold=300 loader_files=200;
#設定負載均衡服務器列表
upstream proxy.server{
#後端服務器訪問規則
#ip_hash;
#weight參數表示權重值,權值越高被分配到的機率越大
#server 10.11.12.116:80 weight=5;
#PC_Local
#server 10.11.12.116:80;
#PC_Server
#server 10.11.12.112:80;
#Notebook
#server 10.11.12.106:80;
server 127.0.0.1:9097;
}
server {
listen 9999 ssl;
#攔截域名以abc開頭的 比如 https://abc.com:9999/mysql/getUserData
server_name abc.*;
# server_name LJ.com;
#緩存的名稱 和proxy_cache_path 中one一樣
proxy_cache one;
ssl_certificate test.crt; #這個是證書的crt文件所在目錄
ssl_certificate_key test.key; #這個是證書key文件所在目錄
ssl_session_cache shared:SSL:1m;
ssl_session_timeout 5m;
ssl_ciphers HIGH:!aNULL:!MD5;
ssl_prefer_server_ciphers on;
location / {
#root html;
#index index.html index.htm;
#與upstream關聯,定義轉發後端負載服務器組
proxy_pass http://proxy.server;
#固定寫法-------------
#proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#proxy_set_header X-Forwarded-Proto $scheme;
#proxy_set_header X-Forwarded-Port $server_port;
#緩存自定義key
proxy_cache_key “hosthosthostrequest_uri$cookie_user”;
#指定請求至少被髮送了多少次以上時才緩存,可以防止低頻請求被緩存
proxy_cache_min_uses 5;
#指定哪些方法的請求被緩存
proxy_cache_methods GET HEAD POST;
#響應狀態碼爲200 302時,緩存2分鐘有效,兩分鐘內請求不管請求變沒變數據任然是之前的
#proxy_cache_valid any 5m;如果想爲所有狀態碼定義相同緩存時間,就可以使用any作爲第一個參數
proxy_cache_valid 200 302 2m;
}
}
}