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On Sun, 27 May 2012 09:05:46 +0200, Jarry wrote: |
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> I have read through all replies, but I still did not find |
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> answers to my original questions: |
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> |
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> Q1: Can I somehow reduce the size of /run? I know it is tmpfs |
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> and I know this is upper limit normally never achieved, but |
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> I want to reduce this upper limit. Is it possible, or is it |
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> hard-coded to half of physical memory? |
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That has been answered, either use fstab, which may or not work, or mount |
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-o remount, which should. |
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> Q2: Can I turn this "/run in tmpfs" feature off? I do not |
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> see *any* advantage in vasting memory for /run |
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Given that /var/run would be cached, at least initially, there is no more |
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memory usage. |
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> If badly written application starts writing some crap in |
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> /run, it could deadlock my computer quite easily. And before |
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> you ask, no it is not so easy to do with /run on hard-drive |
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> because I have plenty of TB there and monitoring software |
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> running which alerts me as soon as any partition is half |
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> full. Unfortunatelly this does not work for tmpfs because |
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> with given read/write speed of ram-disk it would be full |
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> in a few seconds before I had any chance to act... |
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Except that the default size is HALF your RAM, so something else would |
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need to be using the other half and all your swap (tmpfs will use swap if |
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physical memory is not available). |
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-- |
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Neil Bothwick |
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|
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Octal: (n.) a base-8 counting system designed so that one hand may count |
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upon the fingers of the other. Thumbs are not used, and the index finger |
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is reserved for the 'carry.' |