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On Dienstag, 6. Februar 2007, Michael Schreckenbauer wrote: |
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> Hi, |
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> |
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> Am Dienstag, 6. Februar 2007 schrieb Hemmann, Volker Armin: |
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> > On Dienstag, 6. Februar 2007, Pierre-Yves Rofes wrote: |
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> > > On Tue, February 6, 2007 9:29 pm, Michael Schreckenbauer wrote: |
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> > > > From time to time my system comes to a complete halt, that means not |
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> > > > a single |
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> > > > application shows any response to mouse and/or keyactions, sshing |
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> > > > into it takes forever. After a while (up to ~30s ) normal reaction is |
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> > > > back again. Strange thing is, there is no activity at the times this |
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> > > > happens. Reading email and browsing the web is all that is needed. |
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> > > > CPU is at 3-5% according to |
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> > > > top, mem has ~1GB free according to free. |
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> > > |
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> > > Maybe a faulty hard drive with bad sectors that can't be read. Anything |
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> > > in /var/log/messages or any other log file? |
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> > > |
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> > > -- |
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> > > Pierre-Yves Rofes |
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> > |
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> > I am not sure that something is 'broken'. His problem is like mine... |
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> > heavy disk i/o kills performance. And if the box hits swap, everything |
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> > sucks.... because for some reason, always the wrong stuff is swapped out |
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> > ;) Really, sometimes, it is like every single bit is fetched individually |
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> > from the swap space... |
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> |
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> I don't think, swap is the cause of this. This system has 1,5GB Ram, swap |
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> is nearly never touched :) |
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> |
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> |
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swap was only an example. Things that kill performance: big tar, big copy |
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around, and everything that touches a lot of files.... |
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-- |
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