Date: Thu, 21 May 2015 14:19:54 -0400 From: grarpamp <grarpamp@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: End user RAM usage survey Message-ID: <CAD2Ti28Ki0L=T-xX%2B14wjebJrZm%2B9sLFNP0yC6TyeEUFH-TiAg@mail.gmail.com> In-Reply-To: <43064.128.135.70.2.1432223515.squirrel@cosmo.uchicago.edu> References: <CAD2Ti2_6Cjc6U_%2BWYyAhB7aQ1WHKpV0aqBjRSiaU_%2BRSJDkQmg@mail.gmail.com> <43064.128.135.70.2.1432223515.squirrel@cosmo.uchicago.edu>
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Posting the "real memory" and the header lines from top would be useful for other users to see, along with the verbal descriptions. I suggested "using" because many users have far more physical memory installed than they will ever need. Thus quoting only the amount of installed memory doesn't provide much realworld usage insight for users. Here's a snapshot of a browsing and general user platform that includes both memory installed and in use. X, Mozilla and ZFS are the big consumers. Were ZFS switched to UFS, headroom does not really exist to permit distribute the RAM (1GB sticks) to other machines. And if they wanted to run VM it may estimate them to add up to 2GB/VM more. # grep "real mem" /var/run/dmesg.boot real memory = 2147483648 (2048 MB) # top 54 processes: 2 running, 51 sleeping, 1 waiting Mem: 479M Active, 90M Inact, 641M Wired, 344K Cache, 112M Buf, 779M Free ARC: 328M Total, 138M MFU, 174M MRU, 16K Anon, 3012K Header, 13M Other Swap: (Swap is disabled so that field shows blank.) (FreeBSD itself does not *require* swap. Swap is only required if your usage would exceed physical RAM and you wish to avoid process killing / crash.)
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