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Windows 7: Slow deletion of files

16 Aug 2013   #41
x BlueRobot

 

Both programs seems to be waiting for multiple resources to be acquired in order to keep processing. This may be reason for the slow response time of the programs.


My System SpecsSystem Spec
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18 Aug 2013   #42
jlauret7

Windows 7 Professional
 
 

Quote   Quote: Originally Posted by x BlueRobot View Post
Both programs seems to be waiting for multiple resources to be acquired in order to keep processing. This may be reason for the slow response time of the programs.
Thank you for looking into the dumps.

We suspected a wait for resources but what kind of resources? And why always for this operation
(i.e. it is not that I have other processes waiting for resources, it seems to be confined to old
style deletion API calls).
My System SpecsSystem Spec
18 Aug 2013   #43
x BlueRobot

 

It didn't say in that dump file, but it's usually objects like Notification Events or similar objects, which are released when another thread has completed it's own task. Notification Events are used to tell one thread to wait, until a another thread has completed it's work, once the other thread is finished, the waiting thread can be released.
My System SpecsSystem Spec
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24 Aug 2013   #44
jlauret7

Windows 7 Professional
 
 

To all.
Calibre version 1.0 appeared yesterday and after updating, the deletion of an added book is back to normal. I am not sure what the author did (perhaps they listen at the end, perhaps the "A new, faster database back-end" improvement and rewriting that part changed the API calls). DeleteXP.exe is still awfully slow (not a surprise but at least indicates the restore of Calibre deletion functionalities is not related to a magic Windows update) but this is not important ...

I would like to thank everybody for their advice and help in trying to trace this problem. I will mark this as resolved.
My System SpecsSystem Spec
24 Aug 2013   #45
x BlueRobot

 

Glad you managed to get your problem fixed
My System SpecsSystem Spec
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 Slow deletion of files




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