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On 06/11/2009 04:52 PM, Mike Kazantsev wrote: |
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> On Thu, 11 Jun 2009 11:17:37 +0300 |
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> Nikos Chantziaras<realnc@×××××.de> wrote: |
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> |
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>> It's only there where's disk activity. For example, if I have 4 or more |
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>> torrents downloading. When that happens, typing "mc" (to start midnight |
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>> commander) needs about 4 seconds. It's almost instant without LVM. |
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>> |
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>> The speed impact on one of my servers (100+ shell users) was dramatic. |
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>> 10 seconds for a simple "ls /" for example. |
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> |
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> It's not like LVM is modelling the universe' operation on your CPU, but |
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> that's where impact should be, while disk activity (and data written) |
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> should be roughly the same, aside from possible fragmentation if you |
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> (re)create lv's on a daily basis, so prehaps it's not the disk but the |
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> cpu where's the real bottleneck is? |
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I know it's not the CPU since there's 'top' to check this. |