環境 CentOS release 6.3 (Final) Apache/2.2.15 事象 同時1接続で20000リクエストを発行すると、Apacheの設定上は十分さばけるリクエスト数にもかかわらずTimeoutエラーとなる。 # ab -n 20000 -c 1 http://localhost/ Benchmarking localhost (be patient) Completed 2000 requests Completed 4000 requests Completed 6000 requests Completed 8000 requests Completed 10000 requests Completed 12000 requests Completed 14000 requests apr_poll: The timeout specified has expir