Nueva caida de la maquina 03-09-2011

El sábado nos volvimos a ir a la mierda durante unas horas, otra vez por falta de recursos…

Esta vez no fue mucho tiempo (me conecte de casualidad y vi que estaba caído), por lo que he podido mirar en los logs, tiene toda la pinta de una denegación de servicio…

Sep 3 15:00:23 r16537 kernel: Free swap = 0kB
Sep 3 15:00:23 r16537 kernel: Total swap = 1959928kB
Sep 3 15:00:23 r16537 kernel: 259840 pages RAM
Sep 3 15:00:23 r16537 kernel: 7621 pages reserved
Sep 3 15:00:23 r16537 kernel: 36388 pages shared
Sep 3 15:00:23 r16537 kernel: 238257 pages non-shared
Sep 3 15:07:55 r16537 kernel: apache2 invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=-17
Sep 3 15:09:02 r16537 kernel: apache2 cpuset=/ mems_allowed=0
Sep 3 15:09:02 r16537 kernel: Pid: 12250, comm: apache2 Not tainted 2.6.x.x-xxxx-x-x-x #4

A esa misma hora teníamos varias peticiones de este tipo …

)File name too long: access to /++++++++++++++++++++++++++++++++++++++++++++++Result:+%e8%f1%ef%ee%eb%fc%e7%ee%e2%e0%ed+%ed%e8%ea%ed%e5%e9%ec+%22absobrews%22%3b+%e7%e0%f0%e5%e3%e8%f1%f2%f0%e8%f0%ee%e2%e0%eb%e8%f1%fc+(%e2%ea%eb%fe%f7%e5%ed+%f0%e5%e6%e8%ec+%f2%ee%eb%fc%ea%ee+%f0%e5%e3%e8%f1%f2%f0%e0%f6%e8%e8)%3b failed, referer: “http://xx.xx.xx%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2BResult:%2B%25e8%25f1%25ef%25ee%25eb%25fc%25e7%25ee%25e2%25e0%25ed%2B%25ed%25e8%25ea%25ed%25e5%25e9%25ec%2B%2522absobrews%2522%253b%2B%25e7%25e0%25f0%25e5%25e3%25e8%25f1%25f2%25f0%25e8%25f0%25ee%25e2%25e0%25eb%25e8%25f1%25fc%2B%28%25e2%25ea%25eb%25fe%25f7%25e5%25ed%2B%25f0%25e5%25e6%25e8%25ec%2B%25f2%25ee%25eb%25fc%25ea%25ee%2B%25f0%25e5%25e3%25e8%25f1%25f2%25f0%25e0%25f6%25e8%25e8%29%253b”

Así que, otra caída mas para apuntar en el saco, esta claro que el servidor no aguanta mucha caña :)…

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