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Re: [libpcap] libpcap 1.6.2 behavioral difference between Ubuntu 14.04 and CentOS 6.5 (#388)


From: Michael Richardson <mcr () sandelman ca>
Date: Mon, 20 Oct 2014 20:59:33 -0400


morphyno <notifications () github com> wrote:
    > sudo /usr/sbin/tcpdump -s 0 -nei eth9 -w /mnt/tmpfs/eth9_rx.pcap -B
    > 2000000 From "free -k", I see about 2G allocated on Ubuntu

    > Before:

    > free -k total used free shared buffers cached Mem: 65928188 1337008
    > 64591180 1164 26556 68596 -/+ buffers/cache: 1241856 64686332 Swap:
    > 67063804 0 67063804

    > After: free -k total used free shared buffers cached Mem: 65928188
    > 3341680 62586508 1160 26572 68592 -/+ buffers/cache: 3246516 62681672
    > Swap: 67063804 0 67063804

    > expr 3341680 - 1337184 2004496

    > One CentOS, I see twice the amount of memory (4G) being allocated from
    > the same command

The other question, other than kernel version, is if they are the same
32-bit/64-bit?

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     mcr () sandelman ca  http://www.sandelman.ca/        |   ruby on rails    [

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