
調試了 6 個小時後 - 我放棄了:|
我們在 LAN 中有一個 nginx+php-fpm+mysql,有近 100 個 wordpress(由不同的設計人員/開發人員創建和使用,所有這些都致力於測試 wordpres 設定)
我們使用 nginx 很長一段時間以來沒有任何問題。
今天,突然間 - nginx 開始突然回到「504 Gateway Time-out」...
我檢查了虛擬主機的 nginx 錯誤日誌...
2010/09/06 21:24:24 [error] 12909#0: *349 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 21:25:11 [error] 12909#0: *349 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 21:25:11 [error] 12909#0: *443 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /info.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 21:25:12 [error] 12909#0: *443 connect() failed (111: Connection refused) while connecting to upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 22:08:32 [error] 12909#0: *1025 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 22:09:33 [error] 12909#0: *1025 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 22:09:40 [error] 12909#0: *1064 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /info.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 22:09:40 [error] 12909#0: *1064 connect() failed (111: Connection refused) while connecting to upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 22:24:44 [error] 12909#0: *1313 upstream timed out (110: Connection timed out) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
2010/09/06 22:24:53 [error] 12909#0: *1313 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: 192.168.0.1, server: rahul286.rtcamp.info, request: "GET /favicon.ico HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "rahul286.rtcamp.info"
當我透過 TCP 模式在連接埠 9000 上運行 php-fpm 時,我運行“netstat | grep 9000”並注意到一些不尋常的事情... (此處貼上部分輸出以便於閱讀)
tcp 9 0 localhost:9000 localhost:36094 CLOSE_WAIT 14269/php5-fpm
tcp 0 0 localhost:46664 localhost:9000 FIN_WAIT2 -
tcp 1257 0 localhost:9000 localhost:36135 CLOSE_WAIT -
tcp 1257 0 localhost:9000 localhost:36125 CLOSE_WAIT -
tcp 9 0 localhost:9000 localhost:36102 CLOSE_WAIT 14268/php5-fpm
tcp 0 0 localhost:46662 localhost:9000 FIN_WAIT2 -
tcp 745 0 localhost:9000 localhost:46644 CLOSE_WAIT -
tcp 0 0 localhost:46658 localhost:9000 FIN_WAIT2 -
tcp 1265 0 localhost:9000 localhost:46607 CLOSE_WAIT -
tcp 0 0 localhost:46672 localhost:9000 ESTABLISHED 12909/nginx: worker
tcp 1257 0 localhost:9000 localhost:36119 CLOSE_WAIT -
tcp 1265 0 localhost:9000 localhost:46613 CLOSE_WAIT -
tcp 0 0 localhost:46646 localhost:9000 FIN_WAIT2 -
tcp 1257 0 localhost:9000 localhost:36137 CLOSE_WAIT -
tcp 0 0 localhost:46670 localhost:9000 ESTABLISHED 12909/nginx: worker
tcp 1265 0 localhost:9000 localhost:46619 CLOSE_WAIT -
tcp 1336 0 localhost:9000 localhost:46668 ESTABLISHED -
tcp 0 0 localhost:46648 localhost:9000 FIN_WAIT2 -
tcp 1336 0 localhost:9000 localhost:46670 ESTABLISHED -
tcp 9 0 localhost:9000 localhost:36108 CLOSE_WAIT 14274/php5-fpm
tcp 1336 0 localhost:9000 localhost:46684 ESTABLISHED -
tcp 0 0 localhost:46674 localhost:9000 ESTABLISHED 12909/nginx: worker
tcp 1336 0 localhost:9000 localhost:46666 ESTABLISHED -
tcp 1257 0 localhost:9000 localhost:46648 CLOSE_WAIT -
tcp 1336 0 localhost:9000 localhost:46678 ESTABLISHED -
tcp 0 0 localhost:46668 localhost:9000 ESTABLISHED 12909/nginx: wo
有很多“CLOSE_WAIT”和“FIN_WAIT2”對,如下突出顯示(在上面的輸出中):
tcp 1337 0 localhost:9000 localhost:46680 CLOSE_WAIT -
tcp 0 0 localhost:46680 localhost:9000 FIN_WAIT2 -
請注意上面的連接埠 46680。
我啟用了mysql慢查詢錯誤日誌,但沒有用。
截至目前,透過 cronjob 每分鐘重新啟動 php5-fpm (請參閱下面的命令),保持一切「順利」運行,但我討厭拼湊,想解決這個問題...
1 * * * * service php5-fpm restart > /dev/null
我在谷歌上進行了廣泛的搜索 - 沒有得到任何幫助。如前所述,這是LAN 中的測試伺服器,CPU 負載從未超過0.10,記憶體使用率也低於25%(系統有2GB RAM 並安裝了ubuntu 伺服器)因此,如果您發現它的時間混亂,請幫助我至少給一個提示。
預先感謝您的幫忙。
-拉胡爾
(註 - 這是轉發 -http://forum.nginx.org/read.php?11,127694)
更新:我找到了答案,發佈在下面。
答案1
我在 nginx 論壇上的帖子中找到了答案 -http://forum.nginx.org/read.php?2,127854
就我而言,答案是設定:
request_terminate_timeout=30s
在 php-fpm 配置中(通常/etc/php5/fpm/php-fpm.conf
)
請注意,您也可以使用 30 秒以外的值。
我用它來匹配主文件中的值php.ini
:
max_execution_time = 30
謝謝大家。 :-)
答案2
這是如何解決我的問題的:
對 http { 部分中的 /etc/nginx/nginx.conf 進行以下更改
proxy_connect_timeout 600s;
proxy_send_timeout 600s;
proxy_read_timeout 600s;
fastcgi_send_timeout 600s;
fastcgi_read_timeout 600s;
然後重啟nginx
/etc/init.d/nginx 重新啟動
答案3
如果您使用 php 5.3,請增加積壓。
如果您使用 php 5.2,請反向移植補丁以將積壓工作量從 128 增加。
另外,請使用 unix 套接字而不是 TCP 套接字。 unix:/tmp/php5-cgi.sock (或相關路徑)
答案4
就我而言(相同的 nginx 錯誤訊息),一些有問題的 php 腳本沒有結束執行並等待某些內容,導致 nginx 不再選擇 php5-fpm 子層級。
使固定:
- 添加執行時間限制其他人在這篇文章中提到過。
request_terminate_timeout=30s
- 增加孩子數量。一切都很順利。
pm.max_spare_servers=16
pm.min_spare_servers=2
現在一切都很順利。