nginx警告：
nginx: [warn] could not build optimal types_hash, you should increase either types_hash_max_size: 1024 or types_hash_bucket_size: 64; ignoring types_hash_bucket_size

修改nginx.conf

types_hash_max_size: 2048;

还警告：

[root@node01 ~]# systemctl status nginx

9月 26 14:16:13 node01 systemd[1]: Starting The nginx HTTP and reverse proxy server...
9月 26 14:16:13 node01 nginx[3528225]: nginx: [warn] could not build optimal types_hash, you should increase either types_hash_max_size: 2048 or types_hash_bucket_size: 64; ignoring types_hash_bucket_size
9月 26 14:16:13 node01 nginx[3528225]: nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
9月 26 14:16:13 node01 nginx[3528225]: nginx: configuration file /etc/nginx/nginx.conf test is successful
9月 26 14:16:13 node01 nginx[3528229]: nginx: [warn] could not build optimal types_hash, you should increase either types_hash_max_size: 2048 or types_hash_bucket_size: 64; ignoring types_hash_bucket_size
9月 26 14:16:13 node01 systemd[1]: Started The nginx HTTP and reverse proxy server.

如果还报错就修改为4096

# 如果还报错就修改为4096
types_hash_max_size: 4096;

查看systemctl status nginx

[root@node01 ~]# systemctl status nginx

9月 26 14:47:30 node01 systemd[1]: Starting The nginx HTTP and reverse proxy server...
9月 26 14:47:30 node01 nginx[3856466]: nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
9月 26 14:47:30 node01 nginx[3856466]: nginx: configuration file /etc/nginx/nginx.conf test is successful
9月 26 14:47:30 node01 systemd[1]: Started The nginx HTTP and reverse proxy server.