Something to look forward to and you can have fun planning now. Here's
Apple's specs on the 2011 Mac Mini memory:
http://support.apple.com/kb/HT4805
So PC3-10600 DDR3 is the kind you'll want. That's commonly used in
compact units like laptops iMacs which is probably why they kept coming
up. Apparently you have two slots so you could go all the way to 8GB.
4GB modules on NewEgg start at about $21 a pop so it will be about $50
to go all the way.
http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100018235%20600006178%20600000399&IsNodeId=1&Description=pc3%2010600%20ddr3&bop=And&Order=PRICE&PageSize=20
There are a jillion brands and such so if you want something
Mac-oriented you can pay a little more and go through a Mac specific
vendor like Other World Computing which has an 8GB upgrade 'kit' for $62:
http://eshop.macsales.com/shop/memory/Apple_Mac_mini/DDR3_1333
They seem to imply you can go all the way to 16GB but I'm not sure if
that's really needed. I get by just fine with 4 but I'll probably go
with 8 in my next machine.
CB
On 1/18/13 11:39 AM, Alex Hall wrote:
Mac Mini 2011 with 2gb ram. So yes I can upgrade it, I just don't have much in
the way of income at the moment. Long story short, I should be paid sometime
soon, and I'd love to use some of the money on more ram. Part of the problem is
that I don't know what ram to get; I looked on Newegg.com, but all the
mac-compatible ram specified iMac/Macbook, nothing about the Mini.
On Jan 18, 2013, at 11:16 AM, Chris Blouch <[email protected]> wrote:
Yup, with memory that low your probably thrashing memory in and out of your
hard drive, which is magnitudes slower than ream RAM. What kind of machine do
you have? Can you upgrade the RAM?
CB
On 1/18/13 10:52 AM, Alex Hall wrote:
Thanks. I had already looked at top's man page, but navigating it seemed tricky
and buggy with vo. Either way, I'll have to keep that command you suggested in
a bash script somewhere easily accessible. I know I'm swapping out information
all the time, as my hard drive is working more often than not and my free
memory is very low (right now it's between 16 and 17mb - yes, megabytes).
On Jan 18, 2013, at 10:43 AM, Chris Blouch <[email protected]> wrote:
Ahh, that's right. You were more concerned with RAM than CPU. If you're low on
RAM then the system will start swapping memory onto and off of your hard drive
which can bring everything to a crawl. Anyway, I first discovered that running
top only one time seems to always give 0% for CPU so I changed to do a couple
samples. I guess the first try must be buggy:
top -ncols 3 -l5 -n5
This now runs top 5 times and I just review the last run. Back to the memory
usage, it gets complicated because there is all this real and virtual memory
stuff, plus a single process's memory chunks could be scattered all over so it
takes top a bit of work to total things up, sometimes making top the highest
CPU user on an otherwise idle system. Anyway, if you navigate up past the PID
COMMAND %CPU row you'll come across a line like this:
PhysMem: 776M wired, 2138M active, 616M inactive, 3531M used, 435M free.
The wired+active numbers are usually what's reported as memory in use while the
free+inactive numbers are considered available. So on my 4GB laptop I have
about 3GB used and 1GB free, which is pretty healthy. I'd check that on yours.
If you're pushing 10% free or less you're probably swapping. So you could do
something like this:
top -n5 -l3 -stats cpu,command,rsize,vsize -o rsize
This displays the top 5 processes by resident memory size. For me it was
something like this:
%CPU COMMAND RSIZE VSIZE
7.7 kernel_task 401M 5066M
0.0 mds 217M 4300M
0.0 Safari 175M 3808M
0.0 WebProcess 125M 3636M
0.0 Finder 111M 3771M
You can find out more about any terminal command, like top, by typing 'man'
followed by the command. So 'man top' will give you more details about all the
parameters than you'll want to know.
CB
On 1/18/13 10:14 AM, Alex Hall wrote:
That's a useful command, thanks. I can't seem to get the top processes though,
at least not according to processor load or ram usage. The five it showed me
were using 0% CPU and I know they don't take up much ram at all...
On Jan 18, 2013, at 9:54 AM, Chris Blouch <[email protected]> wrote:
I couldn't seem to get the columns to sort either but you could always use
'top' from the terminal. Just type (or copy paste) the command like this:
top -ncols 3 -l1 -n5
ncols tells it to only give the first three columns which is the processID,
process name and %CPU. The l1 means to sample just once. You can change the
number to do it over and over if you want. The n5 means to show just the top 5
processes. If you want the top 10 just change the 5 to 10.
CB
On 1/18/13 2:58 AM, Ricardo Walker wrote:
How odd,
You would think that sorting command would work in such a table. But on my
machine too, it doesn't seem to work.
Ricardo Walker
[email protected]
Twitter:@apple2thecore
www.appletothecore.info
On Jan 17, 2013, at 10:53 PM, Alex Hall <[email protected]> wrote:
I know I have low ram, but the question stands: can you sort process lists by
CPU usage or ram? I tried the vo-shift-backslash command and was taken to the
headers list, but activating the buttons there did not seem to do anything at
all. Is there any way to do this?
On Jan 17, 2013, at 10:48 PM, [email protected] wrote:
I had a similar problem with my macbook when I installed mountain lion. I upgraded to 4
gigabytes of ram and that took care of the problem. I rarely ever get the
"busy" notice, and when I do, it lasts for a brief time and then everything
works fine.
On Jan 17, 2013, at 7:36 PM, Alex Hall <[email protected]> wrote:
Hi all,
Every time I start my mac (2011 Mini with 2gb ram and 10.8), it is sluggish for
at least ten to fifteen minutes. Eventually things calm down, provided I stay
within three or four apps, but for those first minutes everything is slow and
busy more often than not. Is there a way I can use Activity Monitor to see
which apps and/or processes are taking up the mac's resources, such as CPU time
or ram? Thanks.
Have a great day,
Alex (msg sent from Mac Mini)
[email protected]
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