RE: RAM usage during I/O

From: art (art_at_discussions.microsoft.com)
Date: 01/04/05 

Date: Tue, 4 Jan 2005 15:05:07 -0800

"Bob Qin [MSFT]" wrote:

> Hi Tomaz,
>
> Thank you for posting here.
>
> First I would like to confirm the following information with you.
>
> 1. When the problem occur, how many space left in the virtual memory?
>
> 2. Does the problem occur when you copy the large files to same disk or
> another hard disk? What is the type of two disks?
>
> 3. Does the problem occur if you copy the same large file in Safe Mode?
>
> If the problem still persists in Safe Mode, I would like to recommend that
> you use Performance Monitor to trace all the processes on the computer.
> Please refer to the following steps:
>
> 1. Click Start, choose Run, type in "perfmon" (without quotation mark), and
> then click OK.
>
> 2. On the left pane, unfold the "Performance Logs and Alerts" item. Right
> click Counter Logs and choose New log Settings.
>
> 3. Specify a name for the log file and click OK.
>
> 4. Click the Add button.
>
> 5. In the "Select Counters" window, choose "All Counters" and "All
> Instances" option boxes.
>
> 6. In the "Performance Object" section, drop the list and choose Process.
> Click Add.
>
> 7. Also in the "Performance Object" section, drop the list and choose
> Memory. Click Add.
>
> 8. Also in the "Performance Object" section, drop the list and choose
> Paging file. Click Add.
>
> 9. Also in the "Performance Object" section, drop the list and choose
> Processor. Click Add.
>
> 10. Also in the "Performance Object" section, drop the list and choose
> PhysicalDisk and LogicalDisk. Click Add and then click Close.
>
> 11. On the "Sample data every" section of General table, choose Interval as
> 15 and Units as seconds.
>
> 12. In the Log Files table, please record the Location and file name of the
> log file. On the Schedule table, choose Manually in the "Start log" and
> "Stop log" sections.
>
> 13. Click OK.
>
> 14. Now on the right pane of "Performance" window, you can see the log file
> you have just created. Right click the file and choose start to record
> data.
>
> 15. Allow Performance Monitor to run and try to copy files locally to
> reproduce this issue.
>
> 16. Stop Performance Monitor and go the folder we set in step 12 to see if
> the log file has been generated.
>
> 17. Compress the file by using WinZip and send the zipped file to me.
>
> Thanks for your time!
>
> Regards,
> Bob Qin
> Microsoft Online Partner Support
>
> Get Secure! - www.microsoft.com/security
>
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>
> --------------------
> From: "Tomaz Koritnik" <nospam@nospam.com>
> Newsgroups: microsoft.public.windowsxp.help_and_support
> Subject: RAM usage during I/O
> Date: Fri, 1 Oct 2004 11:57:10 +0200
>
> Hi
>
> I have a problem. When working with files (copying, reading
> from,...), my
> Windows uses all available physical RAM. I have WinXP SP1 and I think
> that
> this is caused by fragmented volume. For example, when recording
> files to
> DVD (files must be big, like >500MB), Windows uses 100% of all
> physical RAM.
> After that, Windows uses PF and swapping a lot and my computer is so
> slow I
> can't do anything. Even if I leave it alone, all that I/O and swapping
> operations slow down my computer so much, that Nero's cache for
> example,
> when writing DVD, becomes empty because reading from disk is slower
> that
> writing to DVD (4x). Even if I write with 2x things are the same. How
> can
> reading from disk be so slow if disk can read 40MB/s? And I know that
> this
> is a Windows problem not Nero's because the same happens if I'm
> copying
> files. I have 512MB of memory and usualy 300MB free. When I copy
> large file,
> memory consumption rises to 100% in arround 8 seconds.
>
> I would like to find a solution to this but please don't recommend me
> to
> defragment disk because I already did that and it didn't work for a
> long
> time and my disks are not even heavy fragmented. Is there a way to
> tell
> Windows not to use so much physical RAM?
>
> I hope you understand my questione...
>
> regards
> Tomaz
>
>
>
>
>