Re: How can I force an app to be completely hold in physical memory ?
- From: singletracker@xxxxxxxxx
- Date: Tue, 5 Feb 2008 12:04:55 -0800 (PST)
You are seeing disk I/O issues. If you are not using a 7200 RPM HD
with a big cache like 8G you are going to see this. It might help if
you defrag your disk. Also it might be very simple just to buy one of
the newer, fast USB2 or firewire external drive and put your apps out
there - less competition with the system disk as well.
To force pages to remain wired in memory would need to be done at a
code level, not a configurable thing unless the app designer gives you
that kind of option.
Or you could search for "virtual hard drive" - there are commercial
products that allow you to place disk files on a hard drive that is
really resident in memory. Not sure you would have enough RAM to
solve your problem but perhaps. Also I'd be reluctant to use
something like this for data files unless you understand the write-
through delay issues (some may be configurable) and can live with
that. (a badly timed blue screen can severely corrupt data)
On Feb 5, 11:10 am, jjst...@xxxxxxxxx (Jason Stacy) wrote:
I upgraded the physical memory of my notebook from 1 GB to 2 GB.
Now there should be enough memory to hold certain apps completely in physical memory.
Unfortunately I have to notice that 60% of the physical memory is still available.
Furthermore well known apps (like JBoss app server, graphic edit programs, programming IDEs,...)
are as slow as ever - always accompanied with lots of hard disc working (obvisously swapping in and out
space frames).
How can I force e.g. application mysample.exe (and its depending DLLs) in physical memory ?
Or - alternatively - how can I force WinXP to use memory as much as possible ?
J.
.
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