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I am having trouble with my dedicated server running 12.04.02 LTS. I have installed ffmpeg, apache2, and configured it to serve H264 video files. The server starts freezing when resources are maxed. Can someone help me figure out what is happening here?

I have 16gb of ram which is currently maxed out 24/7 even when Apache is idle. It seems something is draining all of my memory. When I did a free m command I get this:

    top - 17:28:25 up 35 days, 22:56,  2 users,  load average: 0.00, 0.01, 0.15
    Tasks: 122 total,   1 running, 121 sleeping,   0 stopped,   0 zombie
    Cpu(s):  0.0%us,  0.0%sy,  0.0%ni, 99.8%id,  0.1%wa,  0.0%hi,  0.0%si,  0.0%st
    Mem:  16407304k total, 16236244k used,   171060k free,   107524k buffers
    Swap:   999420k total,        0k used,   999420k free, 15014232k cached

      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
   3522 root      39  19     0    0    0 S    0  0.0 197:54.33 kipmi0
  11017 root      20   0     0    0    0 S    0  0.0  25:55.55 kworker/0:0
      1 root      20   0 24332 1856  912 S    0  0.0   0:03.45 init
      2 root      20   0     0    0    0 S    0  0.0   0:08.24 kthreadd
      3 root      20   0     0    0    0 S    0  0.0   0:06.13 ksoftirqd/0
      6 root      RT   0     0    0    0 S    0  0.0   0:00.96 migration/0
      7 root      RT   0     0    0    0 S    0  0.0   0:06.50 watchdog/0
      8 root      RT   0     0    0    0 S    0  0.0   0:01.00 migration/1
      9 root      20   0     0    0    0 S    0  0.0   0:35.46 kworker/1:0
     10 root      20   0     0    0    0 S    0  0.0   0:03.89 ksoftirqd/1
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That shouldn't be the output of the free m command. Are you sure that wasn't top? –  NoBugs Jun 30 '13 at 1:21
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