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Date:      Tue, 10 Apr 2018 14:25:37 -0600
From:      Francis Bacon <chode128@gmail.com>
To:        Daniel Feenberg <feenberg@nber.org>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: sshd virtual memory usage on different hardware
Message-ID:  <CABRbKLzUEJY6SC6yM_xKd02ThgUu6SM+mKs3g3EkNLGogJ8yKg@mail.gmail.com>
In-Reply-To: <alpine.LRH.2.21.1804101537180.19104@sas1.nber.org>
References:  <CABRbKLy+twy-rvdmqTQCwwqPVC0MwOpMfYFz-h6DM9s3BfDM1w@mail.gmail.com> <alpine.LRH.2.21.1804101537180.19104@sas1.nber.org>

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>
>> Looking at the virtual memory of the sshd processes it appears different
>> linked libraries are using more virtual memory different hardware.
>> The biggest offender is  /usr/lib/libgssapi_spnego.so.10. Below are the
>> virtual memory usages, and it appears it uses 2235, 9925, and 20295.
>>
>
> The figure under "RES" is resident memory, not virtual memory. How much of
> the library was resident would depend on how much real memory was
> available, how much competition for memory there was, and might depend on
> what other processes were using that library.
>

Why the amount of real memory would change how much memory a library would
have resident?
In my examples, Machine1 had 8G, Machine2 32G, and Machine3 64G.

Thanks!



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