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On 08/09/2016 09:06 AM, J. Roeleveld wrote: |
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> On August 9, 2016 4:13:31 PM GMT+02:00, james <garftd@×××××××.net> wrote: |
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>> AS a side note, I put 32G of ram on my system and still at times it is |
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>> laggy with little processor load and htop shows little <30% ram usage. |
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>> What tools do you use to track down mem. management issues? |
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>> |
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>> Any specific kernel tweaks? |
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> Try iotop.... |
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OK, so the gentoo wikis says the only kernel modes for iotop are |
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General setup |
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-> CPU/Task time and stats accounting |
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[*] Enable extended accounting over taskstats |
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[*] Enable per-task storage I/O accounting |
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Do you add any others? Do you build a specific kernel for these sorts of |
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low level account and debug codes to work, as reading about, some |
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can cause noticable performance degredations. So do you have a special |
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kernel to track these problem and then return to a production kernel, |
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or leave them in all the time? |
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curiously, |
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James |
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