2回経験した。 ■1 PVがほどほどにあるサイトで、PHPを使ってページをレンダリングしていた。 PV数が多くなり、PHPのGCの処理が追いつかなくなり、セッションを保存するファイルが消えずにどんどん溜っていった。 →fsckかけたらエラーだらけ。 ■2 logrotateの設定をミスって、rotateしたログをrotateするという指数的にファイル数が増える状態になっていた。 設定を間違っているのに気づき、ファイルを消した。その後、logrotateが途中で止まる。logrotate -dしても途中で止まる。CPUはuserレベルで100%使ってた。 →fsckかけたらエラーだらけ。 ext3 ファイルシステム信頼できね。
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starpos 2008/08/08
誰かが言ってたけど，opensourceのソフトウェアは非常にレアな使い方をするケースでの安全性はあまり期待できないらしい．まあ商用のソフトみたいなテストはやってないだろうからね．- filesystem
- ext3
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