nginx如何配置七层负载

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具体配置：

upstream service {

server 10.3.1.1:8913 max_fails=5 fail_timeout=10s weight=10;

server 10.3.1.2:8913 max_fails=5 fail_timeout=10s weight=10;

}

server {

listen 80;

server_name www.test.com;

location / {

proxy_set_header Host $host;

# 自定义的用于debug字段，如果不加，后端无法获取到此字段

proxy_set_header unique_id $http_unique_id;

proxy_set_header trace_id $http_trace_id;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-Proto $scheme;

proxy_set_header X-Forwarded-For $remote_addr;

proxy_connect_timeout 30;

proxy_send_timeout 20;

proxy_read_timeout 20;

proxy_buffer_size 4k;

proxy_buffers 4 32k;

proxy_busy_buffers_size 64k;

proxy_pass http://service;

}

}

http中修改了如下几个配置：

include mime.types;

default_type application/octet-stream;

server_names_hash_max_size 10240;

server_names_hash_bucket_size 2048;

client_max_body_size 3m;

client_body_buffer_size 256k;

# 开启header中带下划线的配置

underscores_in_headers on;

# 修改日志记录格式，json格式方便ELK进行收集

log_format json escape=json '{"remote_addr": "$remote_addr",'

'"@timestamp": "$time_iso8601",'

'"request_uri": "$request_uri",'

'"verb": "$request_method",'

'"httpversion": "$server_protocol",'

'"response": "$status", '

'"body_bytes_sent": "$body_bytes_sent", '

'"referrer": "$http_referer", '

'"user_agent": "$http_user_agent", '

'"http_x_forwarded_for": "$http_x_forwarded_for", '

'"http_unique_id": "$http_unique_id", '

'"http_trace_id": "$http_trace_id", '

'"server_name": "$host",'

'"request_time": "$request_time",'

'"upstream_response_time": "$upstream_response_time",'

'"realpath_root": "$realpath_root",'

'"cookie": "$http_cookie",'

'"request_body": "$request_body",'

'"nginx_version": "$nginx_version",'

'"scheme": "$scheme"}';

access_log /data/log/tmp.log json;

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