Re: Hanging When Comparing

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Hanging When Comparing

Ian Green 10-11-2009, 10:39
I have approx 30,000 image files in one directory.
When I ask NClone to search for duplicates (Exact content etc) it seems to start OK but then it hangs at - "Comparing 1999 of 5168 with file size of 79.10Kb - 0:22:28 left.
That was about 4 hours ago and it has not changed since.
I am running Vista Home Premium SP2 on a Toshiba Satellite laptop with 2gb RAM and 60gb HD (local) and 1TB external Western Digital My Book Pro attached.
My files are on the external drive.
I am running Version 4.1.35.0 No Clone Enterprise Edition.
Any suggestions please?

Re: Hanging When Comparing

aterren 04-03-2010, 11:44
I am having the same problem on windows 7 and I am only trying to find matches on file name, extension, and size. I have been comparing 2099 of 3827 for an hour. The application's usefulness is clearly limited when it does not return a result. Pressing cancel does not seem to cancel the compare either.

Other details:
The application is running 15-17 threads and consuming 12 to 16% of a Core i7 processor.

The comparison is between 3 folders on one drive and the entirety of another drive.
3 folders - 78k files, 68GB of disk space
1 drive - 84k files, 140GB disk space

Comparison:
Files greater than 250kb
File name match
File extension match
File size match

Re: Hanging When Comparing

aterren 04-03-2010, 12:56
I did a bit more testing which may help resolve this bug. First column is minimum size, second is number of files evaluated for duplicate as reported in the status bar, and third column is results.   Seems failure is triggered when the comparison set is ~2100 files in size (2084 works, 2102 fails = window size is 18 files), If I have time later I'll try to narrow this window a bit.

Size       Files     Result (min:sec)
500k            1125    Success 1:24
400k            1843    Success 1:50
385k            2001    Success 1:40
380k            2078    Success 2:00
379k            2084    success 1:45
378k            2102    hang at 1999
375k            2146    hang at 1999
350k            2484    hang at 2099
300k            3099    hang at 2099

A few more data points:
2094 files hung at 1998 (*not* 1999)
2090 passed
25912 files hung at 2299

Re: Hanging When Comparing

aterren 04-07-2010, 23:02
Is any one else having this problem?

Re: Hanging When Comparing

Even 04-08-2010, 3:03
Which version are you using? Have you try the lastest version V4.2.20?

You can download them at:
http://noclone.net/noclone-home.exe
http://noclone.net/noclone-enterprise.exe

Re: Hanging When Comparing

Ian Green 04-08-2010, 4:56
I have now downloaded latest version and will try it out and let you know result as soon as possible, but it may be a few days.

Re: Hanging When Comparing

aterren 04-08-2010, 23:52
All of my testing was done with 4.2.19.0

The change log stops at version 4.1.27. Has a change been made from 19 to 20 that would affect this behavior?

Re: Hanging When Comparing

Tang 04-14-2010, 19:34
I too am having a hang at 2098 files of approx 23000; using v.20; tried internal sata, external usb, and esata drives to compare with same hang-up! Anybody have a solution? Thanks

Re: Hanging When Comparing

aterren 04-18-2010, 19:45

Tang wrote:
I too am having a hang at 2098 files of approx 23000; using v.20; tried internal sata, external usb, and esata drives to compare with same hang-up! Anybody have a solution? Thanks

This is almost certainly a bug that will need to be fixed by the developers. The workaround I have used is to limit my search by file size starting with large files. This has been a but of a pain, but workable.

Re: Hanging When Comparing

Even 04-19-2010, 4:19
----Posted by: Ian Green-----
Size Files Result(min:sec)
500k 1125 Success 1:24
400k 1843 Success 1:50
385k 2001 Success 1:40
380k 2078 Success 2:00
379k 2084 success 1:45
378k 2102 hang at 1999
375k 2146 hang at 1999
350k 2484 hang at 2099
300k 3099 hang at 2099
----Posted by: Ian Green-----

It's not a bug.The number of the files which have been compared increase in the Search Status(At bottom).So, NoClone is working.

So, I suggest waiting more time and using the lastest version.

Re: Hanging When Comparing

aterren 04-20-2010, 22:02
Ian,

These were separate test cases. In each case the number of file compared *stopped* increasing. So, NoClone was *not* working.

The file size noted above corresponds to the Min file size for NoClone to compare and this was used to alter the number of files that needed to be compared.

As a side note, I have been involved in various aspects of software development, including testing, for 20 years. This smells like a bug.