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From: | William Bader |
Subject: | Re: GNU Parallel Bug Reports Problems with --memfree option |
Date: | Thu, 13 Aug 2015 16:00:11 -0400 |
> From: address@hidden > Date: Thu, 13 Aug 2015 21:37:06 +0200 > To: address@hidden > CC: address@hidden > Subject: Re: GNU Parallel Bug Reports Problems with --memfree option > > On Thu, Aug 13, 2015 at 11:06 AM, Andreas Bernauer > <address@hidden> wrote: > > > Looks as if --memfree should parse /proc/meminfo directly (instead of > > the output of 'free', which parses /proc/meminfo). The meminfo format > > looks easily grepable. > > Do we know how old Linux kernels' /proc/meminfo are formatted, so we > do not break old systems just to support new ones. If you want to check the formatting on old systems, here is output from my oldest server, CentOS 3 on a 2.4.21 kernel. (I keep it for testing. I do not need parallel to run on it.) Regards, William c32c3 ~$ uname -a Linux c32c3.scs.com 2.4.21-63.EL #1 Tue Nov 3 18:32:44 EST 2009 i686 i686 i386 GNU/Linux c32c3 ~$ /usr/bin/free total used free shared buffers cached Mem: 511964 505152 6812 0 128900 340100 -/+ buffers/cache: 36152 475812 Swap: 1052248 9324 1042924 c32c3 ~$ cat /proc/meminfo total: used: free: shared: buffers: cached: Mem: 524251136 517279744 6971392 0 132001792 349265920 Swap: 1077501952 9547776 1067954176 MemTotal: 511964 kB MemFree: 6808 kB MemShared: 0 kB Buffers: 128908 kB Cached: 340100 kB SwapCached: 980 kB Active: 379232 kB ActiveAnon: 3884 kB ActiveCache: 375348 kB Inact_dirty: 71752 kB Inact_laundry: 11044 kB Inact_clean: 10688 kB Inact_target: 94540 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 511964 kB LowFree: 6808 kB SwapTotal: 1052248 kB SwapFree: 1042924 kB CommitLimit: 1308228 kB Committed_AS: 22168 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 4096 kB c32c3 ~$ cat /etc/redhat-release CentOS release 3.9 (Final) |
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