https://bugs.kde.org/show_bug.cgi?id=496691
--- Comment #5 from garfer <garfer1...@gmail.com> ---
i tried making a new database altogether and calculated the fingerprints using
both the maintenance tool and the "update fingerprints" button on the duplicate
search interface using the release version of 6.5 and the problem still
persists, the first time i run the search is very slow and with very high disk
read speeds (not only on the drive with the DBs but in the one with the images
too) after restarting digikam i have to do it again
looking more in depth at the logs in addition to the previously mentioned
messages i also get some other patterns that i'm appending below, if i'm not
mistaken it seems that it's reading the metadata from the images as it goes so
that could explain both the high disk utilization and the low speeds, for now i
tried disabling anything related to metadata on digikam and at one point i also
tried removing access to exiftool to no avail (in that attempt the exiftool
related messages disappeared but the exiv2 ones and the "digikam.dimg.jpeg:
RST..." remained); to be clear on the previous digikam versions i didn't get
those logs
here are some log chunks that seem to be fairly representative of what i get,
note that i changed the proper file paths for {imagepath} because of privacy
reasons
digikam.metaengine: Loading metadata with "Exiv2" backend from "{imagepath}"
digikam.general: Try to get preview from "{imagepath}"
digikam.general: Preview quality: 0
digikam.metaengine: ExifToolProcess::readOutput(): ExifTool command completed
digikam.metaengine: ExifTool complete command for action "Load Chunks" with
elasped time (ms): 23
digikam.metaengine: EXV chunk size: 0
digikam.metaengine: ExifTool parsed command for action "Load Chunks" 1
properties decoded
digikam.metaengine: ExifTool complete "Load Chunks" for "{imagepath}"
digikam.metaengine: Metadata chunk loaded with ExifTool
digikam.metaengine: Metadata chunk loaded with ExifTool has no data
digikam.metaengine: Check ExifTool availability: true
digikam.metaengine: ExifTool "Load Chunks" "-TagsFromFile {imagepath} -all:all
-icc_profile -o -.exv"
digikam.metaengine: Loading metadata with "Exiv2" backend from "{imagepath}"
digikam.general: Try to load DImg preview from: "{imagepath}"
digikam.metaengine: Check ExifTool availability: true
digikam.dimg.jpeg: Adobe APP14 marker: version 100, flags 0x4000 0x0000,
transform 1 ( 1 )
digikam.dimg.jpeg: Define Quantization Table 0 precision 0 ( 1 )
digikam.dimg.jpeg: RST3 ( 3 )
digikam.dimg.jpeg: Define Quantization Table 1 precision 0 ( 1 )
digikam.dimg.jpeg: Start Of Frame 0xc0: width=1200, height=1800, components=3
( 1 )
digikam.dimg.jpeg: Component 1: 1hx1v q=0 ( 1 )
digikam.dimg.jpeg: Component 2: 1hx1v q=1 ( 1 )
digikam.dimg.jpeg: Component 3: 1hx1v q=1 ( 1 )
digikam.dimg.jpeg: Define Restart Interval 150 ( 1 )
digikam.dimg.jpeg: Define Huffman Table 0x00 ( 1 )
digikam.dimg.jpeg: 0 0 7 1 1 1 1 1 ( 2 )
digikam.dimg.jpeg: 0 0 0 0 0 0 0 0 ( 2 )
digikam.dimg.jpeg: Define Huffman Table 0x01 ( 1 )
digikam.dimg.jpeg: RST4 ( 3 )
digikam.dimg.jpeg: 0 2 2 3 1 1 1 1 ( 2 )
digikam.dimg.jpeg: 1 0 0 0 0 0 0 0 ( 2 )
digikam.dimg.jpeg: Define Huffman Table 0x10 ( 1 )
digikam.dimg.jpeg: 0 2 1 3 3 2 4 2 ( 2 )
digikam.dimg.jpeg: 6 7 3 4 2 6 2 115 ( 2 )
digikam.dimg.jpeg: Define Huffman Table 0x11 ( 1 )
digikam.dimg.jpeg: 0 2 2 1 2 3 5 5 ( 2 )
digikam.dimg.jpeg: 4 5 6 4 8 3 3 109 ( 2 )
digikam.dimg.jpeg: Start Of Scan: 3 components ( 1 )
digikam.dimg.jpeg: Component 1: dc=0 ac=0 ( 1 )
digikam.dimg.jpeg: Component 2: dc=1 ac=1 ( 1 )
digikam.dimg.jpeg: RST5 ( 3 )
digikam.dimg.jpeg: Component 3: dc=1 ac=1 ( 1 )
digikam.dimg.jpeg: Ss=0, Se=63, Ah=0, Al=0 ( 1 )
igikam.dimg.jpeg: RST6 ( 3 )
digikam.dimg.jpeg: RST0 ( 3 )
digikam.dimg.jpeg: RST1 ( 3 )
digikam.dimg.jpeg: RST7 ( 3 )
digikam.dimg.jpeg: RST2 ( 3 )
digikam.dimg.jpeg: RST3 ( 3 )
digikam.dimg.jpeg: RST0 ( 3 )
digikam.dimg.jpeg: RST4 ( 3 )
digikam.dimg.jpeg: Start of Image ( 1 )
digikam.dimg.jpeg: JFIF APP0 marker: version 1.01, density 350x350 1 ( 1 )
digikam.dimg.jpeg: Define Quantization Table 0 precision 0 ( 1 )
digikam.dimg.jpeg: RST5 ( 3 )
digikam.dimg.jpeg: Define Quantization Table 1 precision 0 ( 1 )
digikam.dimg.jpeg: Start Of Frame 0xc0: width=700, height=1049, components=3 (
1 )
digikam.dimg.jpeg: RST1 ( 3 )
digikam.dimg.jpeg: RST6 ( 3 )
*i noticed my system was using exiftool 13.07 so i downgraded to 12.99 but the
problem persists
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