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Explorer.exe: Delay+100% CPU with a huge folder
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GrofLuigi View Drop Down
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Posts: 185 		Post Options Post Options   Quote GrofLuigi Quote  Post ReplyReply Direct Link To This Post Topic: Explorer.exe: Delay+100% CPU with a huge folder
    Posted: 21 September 2008 at 5:27am
Originally posted by molotov

Which shell do you use, if I may go a bit off-topic by asking? Embarrassed

Total Commander, of course.

GL
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volvorine View Drop Down
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Posts: 104 		Post Options Post Options   Quote volvorine Quote  Post ReplyReply Direct Link To This Post Posted: 19 September 2008 at 12:09pm
Hi All,
 
good day..
 
i would say , please collect appropriate drwtsn dump for the specific PID and post it to me if you need help to analyze.
 
 
sainath IRP_MJ_CREATE
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molotov View Drop Down
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Posts: 17492 		Post Options Post Options   Quote molotov Quote  Post ReplyReply Direct Link To This Post Posted: 19 September 2008 at 2:18am
Sure - there are many different configuration options, and combinations of configurations...  Even with the help / quickhelp it can be difficult to determine what specifically one setting may impact... Dead

Which shell do you use, if I may go a bit off-topic by asking? Embarrassed


Edited by molotov - 19 September 2008 at 2:19am
Daily affirmation:
net helpmsg 4006
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GrofLuigi View Drop Down
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Posts: 185 		Post Options Post Options   Quote GrofLuigi Quote  Post ReplyReply Direct Link To This Post Posted: 19 September 2008 at 2:04am
Originally posted by molotov

Hi GL,That setting only seems to affect Explorer when the Folders Explorer Bar is shown and is being used.  Do you have different results?

No (I don't use Explorer much), I just tried to help with possible pointer that sounded like the issue described in the thread.

GL
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zakk View Drop Down
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Posts: 58 		Post Options Post Options   Quote zakk Quote  Post ReplyReply Direct Link To This Post Posted: 18 September 2008 at 5:08pm
Originally posted by GrofLuigi

Folder options -> Display simple folder view in Explorer's folders list

(FriendlyTree in registry)

sounds like the issue here. (Read the tooltip description. I don't know if it should be on or off).

GL

No, changing that option doesn't affect the problem at all.
It only appears when I have the "Common Task Pane" enabled.




Edited by zakk - 18 September 2008 at 5:10pm
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molotov View Drop Down
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Posts: 17492 		Post Options Post Options   Quote molotov Quote  Post ReplyReply Direct Link To This Post Posted: 18 September 2008 at 11:24am
Hi GL,

That setting only seems to affect Explorer when the Folders Explorer Bar is shown and is being used.  Do you have different results?
Daily affirmation:
net helpmsg 4006
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GrofLuigi View Drop Down
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Posts: 185 		Post Options Post Options   Quote GrofLuigi Quote  Post ReplyReply Direct Link To This Post Posted: 18 September 2008 at 6:49am
Folder options -> Display simple folder view in Explorer's folders list

(FriendlyTree in registry)

sounds like the issue here. (Read the tooltip description. I don't know if it should be on or off).

GL
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zakk View Drop Down
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Posts: 58 		Post Options Post Options   Quote zakk Quote  Post ReplyReply Direct Link To This Post Posted: 17 September 2008 at 5:40pm
Originally posted by molotov

The workaround would seem to be to turn off the "Common Task Pane", or to use Explorer with the Folders "Explorer Bar" for the folders where you encounter this type of a problem.

That's what I'll do.
Thanks (again!) for your time Smile
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molotov View Drop Down
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Posts: 17492 		Post Options Post Options   Quote molotov Quote  Post ReplyReply Direct Link To This Post Posted: 16 September 2008 at 11:26pm
I'm afraid that I can't offer an explanation.  Embarrassed  The workaround would seem to be to turn off the "Common Task Pane", or to use Explorer with the Folders "Explorer Bar" for the folders where you encounter this type of a problem.
Daily affirmation:
net helpmsg 4006
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zakk View Drop Down
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Posts: 58 		Post Options Post Options   Quote zakk Quote  Post ReplyReply Direct Link To This Post Posted: 16 September 2008 at 9:31pm
Originally posted by molotov

After the disk activity stops, how long does it take before Explorer displays the contents of the root folder?

At the time the disk activity stops,
I get to see the contents.
But that can take up to 8 mins Dead

Let me better rephrase my description of the problem:
- the explorer.exe cpu usage goes straight to 100% from the moment I doubleclick the folder, and stays there up to 30 secs.
- then the cpu usage lowers to near 10% and stays there,
but the tree scanning continues in the background (thread BROWSEUI.dll)
and I always have to wait totally up even to 7 minutes (!!) for the tree-scanning to complete (provided that it has started the scanning from scratch - that is, if I haven't killed the previous instance of explorer.exe some seconds ago Ermm,
otherwise it may continue from the point where the scan was before the kill )
before I get to see the contents.

During that whole time
the explorer window appears as if it's hanged..


Edited by zakk - 16 September 2008 at 9:34pm
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