(编辑:jimmy 日期: 2024/12/23 浏览:2)
说明:
nginx日志主要有两种:访问日志、错误日志。其中访问日志记录客户端访问nginx的每一个请求,包含用户地域来源、跳转来源、使用终端、某个URL访问量等信息,访问日志格式可以自定义;错误日志则记录客户端访问nginx出错时的日志,格式不支持自定义,通过错误日志,你可以得到系统某个服务或server的性能瓶颈等。两种日志都可以选择性关闭。
访问日志[Access.log]
log_format main ‘$remote_addr $remote_user [$time_local] “$request” $http_host ‘
‘$status $upstream_status $body_bytes_sent “$http_referer” ‘
‘”$http_user_agent” $ssl_protocol $ssl_cipher $upstream_addr ‘
‘$request_time $upstream_response_time';
变量名称
变量描述
举例说明
$remote_addr
客户端地址
113.140.15.90
$remote_user
客户端用户名称
–
$time_local
访问时间和时区
18/Jul/2012:17:00:01 +0800
$request
请求的URI和HTTP协议
“GET /pa/img/home/logo-alipay-t.png HTTP/1.1”
$http_host
请求地址,即浏览器中你输入的地址(IP或域名)
img.alipay.com
10.253.70.103
$status
HTTP请求状态
200
$upstream_status
upstream状态
200
$body_bytes_sent
发送给客户端文件内容大小
547
$http_referer
跳转来源
“https://cashier.alipay.com…/”
$http_user_agent
用户终端代理
“Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1; GTB7.0; .NET4.0C;
$ssl_protocol
SSL协议版本
TLSv1
$ssl_cipher
交换数据中的算法
RC4-SHA
$upstream_addr
后台upstream的地址,即真正提供服务的主机地址
10.228.35.247:80
$request_time
整个请求的总时间
0.205
$upstream_response_time
请求过程中,upstream响应时间
0.002
线上实例:
116.9.137.90 – [02/Aug/2012:14:47:12 +0800] “GET /images/XX/20100324752729.png HTTP/1.1″img.alipay.com 200 200 2038 https://cashier.alipay.com/XX/PaymentResult.htm"1" cellspacing="0" cellpadding="0"> 错误信息 错误说明 “upstream prematurely(过早的) closed connection” 请求uri的时候出现的异常,是由于upstream还未返回应答给用户时用户断掉连接造成的,对系统没有影响,可以忽略 “recv() failed (104: Connection reset by peer)” (1)服务器的并发连接数超过了其承载量,服务器会将其中一些连接Down掉; (2)客户关掉了浏览器,而服务器还在给客户端发送数据; (3)浏览器端按了Stop “(111: Connection refused) while connecting to upstream” 用户在连接时,若遇到后端upstream挂掉或者不通,会收到该错误 “(111: Connection refused) while reading response header from upstream” 用户在连接成功后读取数据时,若遇到后端upstream挂掉或者不通,会收到该错误 “(111: Connection refused) while sending request to upstream” Nginx和upstream连接成功后发送数据时,若遇到后端upstream挂掉或者不通,会收到该错误 “(110: Connection timed out) while connecting to upstream” nginx连接后面的upstream时超时 “(110: Connection timed out) while reading upstream”
nginx读取来自upstream的响应时超时
“(110: Connection timed out) while reading response header from upstream” nginx读取来自upstream的响应头时超时 “(110: Connection timed out) while reading upstream” nginx读取来自upstream的响应时超时 “(104: Connection reset by peer) while connecting to upstream” upstream发送了RST,将连接重置 “upstream sent invalid header while reading response header from upstream” upstream发送的响应头无效 “upstream sent no valid HTTP/1.0 header while reading response header from upstream” upstream发送的响应头无效 “client intended to send too large body” 用于设置允许接受的客户端请求内容的最大值,默认值是1M,client发送的body超过了设置值 “reopening logs” 用户发送kill -USR1命令 “gracefully shutting down”, 用户发送kill -WINCH命令 “no servers are inside upstream” upstream下未配置server “no live upstreams while connecting to upstream” upstream下的server全都挂了 “SSL_do_handshake() failed” SSL握手失败 “SSL_write() failed (SSL:) while sending to client” “(13: Permission denied) while reading upstream” “(98: Address already in use) while connecting to upstream” “(99: Cannot assign requested address) while connecting to upstream” “ngx_slab_alloc() failed: no memory in SSL session shared cache” ssl_session_cache大小不够等原因造成 “could not add new SSL session to the session cache while SSL handshaking” ssl_session_cache大小不够等原因造成 “send() failed (111: Connection refused)”以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。