nginx日志报错(11: Resource temporarily unavailable) while connecting to upstream

[error] 2312#0: *11017288 connect() to unix:/tmp/php-fcgi.sock failed (11: Resource temporarily unavailable) while connecting to upstream, client: 140.207.54.80, server: phalcontest2.zx04.com, request: “POST /handle/index/wx5bbc5742e4cd9361?signature=32cc7a1c7a411258cb45e3ebb0a9a37135af61b4&timestamp=1515488043&nonce=1136158417&openid=ot4JyuACex7BFV15kyIbCw_wTlZA&encrypt_type=aes&msg_signature=4a211085d983abb2ea7c7b9d801e36e31d16124b HTTP/1.1”, upstream: “fastcgi://unix:/tmp/php-fcgi.sock:”, host: “phalcontest2.zx04.com”

我解决的办法是把并发量比较大的几个域名，单独配置了php资源池，调用不同的sock。

以下链接给了我解决思路。
解决方法：http://blog.csdn.net/dc_726/article/details/12340349