Not sure why you would want to look at the cache. Most processes are
either CPU bound or IO (input/output) bound. So if things are going slow
I'd check whether your CPUs are busy or if your hard drive is being
pounded. Most of what you might want to know is in the Activity Monitor
which is an app you'll find in the Utilities folder. Near the bottom of
the window you'll find a row of 5 tabs. The first one is CPU and with
that selected you can navigate past the tabs to find a number of stats.
Usage is broken up into User and System or you can keep navigating to
find the percent idle. If that approaches zero your system is very busy.
In the Disk Activity tab you'll also find a number of stats. This isn't
as absolute since how much your drive can read/write per second depends
on where stuff is located. There is a peak value which shows you the max
throughput over the last 60 seconds or so. I took a large file and
duplicated it and on my MacBook I got 45.5MB/s. Of course if I
duplicated a folder with a ton of little files that throughput would be
much lower. Anyway, if you figure out the peak for whatever kids of
stuff you're doing and then check out the Data Read and Data Written
values you can get an idea if your drive is busy or not. As an aside,
sometimes a busy drive can also drive up CPU usage and processes
repeatedly attempt to check on the state of their requests. Generally
I've found slow performance is more often tied to busy disk IO than CPU.
As a third factor, if what you're doing is tied to internet transactions
then there can be IO constraints because of waiting on the network
(either your personal connection bandwidth or the speed of whatever
server you're connecting to).
CB
On 2/16/14 6:58 PM, Angelo wrote:
Hey all, how could i take a look at the current cash usage while the computer
is in one of it's busy busy moods in finder or some other app?
Thanks in advance for any help.
Angelo
a.rock...@gmail.com
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