seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning 32 children, there are 0> child 1616 exited with code 0 after 619688.718148 seconds from start (一下三个好像都是提示执行超时)
child 14636 exited on signal 15 (SIGTERM) after 269249.100189 seconds from star
request: "POST /test.php") execution timed out (198.776247 sec), terminating
等等类似的报错
如果是ngixn做的前端代理会出现当后端服务器出现类似问题就会连接失败提示没在线的主机等等情况
no live upstreams while connecting to upstream, client
)
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