ブログ - サーバのCPUリソースが異常値を示す
サーバの動作が遅いなと思ったので，MRTGを確認する．CPU Usageが高止まりしている．
基本的にはWebサーバなので，HTTPDを確認．
なんだか１つだけ，昨日の日付のままのプロセスがある．HTTPDはApache2で，worker MPMで運用．MaxRequestsPerChildを5000にしているのでプロセスが１日もつ事なんてない．
プロセス番号41138を見てみる．
スレッドの親サーバだから仕方ないか．わからない時の，取り急ぎ再起動．
これでしばらく様子を見てみる．
基本的にはWebサーバなので，HTTPDを確認．
ujp:Caches server$ ps -eo lstart,pid,args | grep httpd
Tue May 19 22:45:53 2015 2960 /opt/local/apache2/bin/httpd -k start
Tue May 19 22:55:17 2015 4150 /opt/local/apache2/bin/httpd -k start
Tue May 19 22:56:39 2015 4520 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:02:32 2015 5027 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:02:34 2015 5028 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:04:26 2015 5148 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:04:26 2015 5149 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:10:23 2015 5715 /opt/local/apache2/bin/httpd -k start
Mon May 18 18:40:40 2015 41138 /opt/local/apache2/bin/httpd -k start ←これ
Tue May 19 21:04:52 2015 92886 /opt/local/apache2/bin/httpd -k start
Tue May 19 21:37:23 2015 96607 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:12:03 2015 5829 grep httpd
ujp:Caches server$
プロセス番号41138を見てみる．
ujp:extra server$ ps -ef |grep httpd | grep 41138
70 5027 41138 0 0:03.39 ?? 0:12.81 /opt/local/apache2/bin/httpd -k start
70 5028 41138 0 0:02.38 ?? 0:10.66 /opt/local/apache2/bin/httpd -k start
70 5148 41138 0 0:03.61 ?? 0:12.56 /opt/local/apache2/bin/httpd -k start
70 5149 41138 0 0:04.34 ?? 0:12.61 /opt/local/apache2/bin/httpd -k start
70 5943 41138 0 0:04.10 ?? 0:10.05 /opt/local/apache2/bin/httpd -k start
70 6919 41138 0 0:00.40 ?? 0:01.93 /opt/local/apache2/bin/httpd -k start
70 6925 41138 0 0:03.27 ?? 0:05.40 /opt/local/apache2/bin/httpd -k start
70 7414 41138 0 0:00.09 ?? 0:00.39 /opt/local/apache2/bin/httpd -k start
70 7415 41138 0 0:00.00 ?? 0:00.01 /opt/local/apache2/bin/httpd -k start
70 7416 41138 0 0:00.90 ?? 0:01.35 /opt/local/apache2/bin/httpd -k start
0 41138 1 0 0:03.87 ?? 0:04.71 /opt/local/apache2/bin/httpd -k start ←これ
ujp:extra server$
ujp:extra server$ su -
Password:
ujp:~ root# /opt/local/apache2/bin/apachectl stop
ujp:~ root# /opt/local/apache2/bin/apachectl start
ujp:~ root# ps -eo lstart,pid,args | grep httpd
Tue May 19 23:30:53 2015 8085 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:30:54 2015 8097 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:30:54 2015 8098 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:30:54 2015 8099 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:30:54 2015 8100 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:30:54 2015 8101 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:30:56 2015 8102 /opt/local/apache2/bin/httpd -k start
Tue May 19 23:31:07 2015 8137 grep httpd
ujp:~ root#
