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What are PerfLogs (.etl files) & do I need them?

 
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Blithe
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Since: Oct 24, 2006
Posts: 13



PostPosted: Thu Nov 23, 2006 4:52 pm    Post subject: What are PerfLogs (.etl files) & do I need them?
Archived from groups: microsoft>public>win2000>general (more info?)

I discovered a 'PerfLogs' folder on my boot drive - filled with over 20 megs
of 1,040 KB .etl files.

I Googled their function & got a ton of search hits that explained nothing
that made much sense and many that simply suggested that I compress the
files.

Do I need the folder or the files? What's their purpose? How long has my
system been accumulating this data? Who accesses it? I think you get the
idea. Please advise & suggest how we can better monitor our systems to
prevent such seemingly useless baggage from accumulating.

Thanks - Blithe
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John John
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Since: Jun 05, 2004
Posts: 1937



PostPosted: Thu Nov 23, 2006 7:48 pm    Post subject: Re: What are PerfLogs (.etl files) & do I need them? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

They're most likely Event Trace Logs, you can delete the whole whack of
them. If they keep on reappearing then you will have to turn off Trace
Logs. This might help:

HOW TO: Create and Configure Performance Monitor Trace Logs in Windows 2000
http://support.microsoft.com/kb/302558

Creating Performance Alerts in Windows 2000
http://support.microsoft.com/?kbid=244640

John

Blithe wrote:

> I discovered a 'PerfLogs' folder on my boot drive - filled with over 20 megs
> of 1,040 KB .etl files.
>
> I Googled their function & got a ton of search hits that explained nothing
> that made much sense and many that simply suggested that I compress the
> files.
>
> Do I need the folder or the files? What's their purpose? How long has my
> system been accumulating this data? Who accesses it? I think you get the
> idea. Please advise & suggest how we can better monitor our systems to
> prevent such seemingly useless baggage from accumulating.
>
> Thanks - Blithe
>
>
>
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LB
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Since: Mar 26, 2006
Posts: 3



PostPosted: Sat Feb 03, 2007 4:11 pm    Post subject: Re: What are PerfLogs (.etl files) & do I need them? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

They appeared in my boot drive too. This was after I ran the Perfomance test
in Vista. If I run the "report.html" in \System\diagnostics\(date) then I can
see my last results in IE.

Performace logs=perflogs

Strange that Microsoft hasn't mentioned anything about this in the help
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