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Am 05.09.2012 14:55, schrieb Adam Carter: |
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>>> I might also add, I see no speed improvements in putting portages work |
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>>> directory on tmpfs. I have tested this a few times and the difference |
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>>> in compile times is just not there. |
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>> |
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>> Probably because with 16GB everything stays cached anyway. |
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> |
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> Would it still be useful to use tmpfs if you wanted to keep drive |
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> writes down on an SSD? I imagine even tho its cached it would get |
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> written to disk after a timer expires, so while it doesn't affect |
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> performance it does reduce the drive life. |
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> |
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|
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Yes. For ext{3,4}, this timer is controlled by the "commit=x" mount flag |
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(default: 5 seconds). |
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|
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IIRC, app-laptop/laptop-mode-tools sets this to 30 so I guess it is safe |
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to use large values (besides the obvious risk of loosing data on system |
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crashes). |
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Regards, |
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Florian Philipp |