https://bugs.kde.org/show_bug.cgi?id=365354
Bug ID: 365354
Summary: git master 2016-07-11: Application crash on scanning
for faces in large picture set.
Product: digikam
Version: 5.0.0
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Database
Assignee: digikam-de...@kde.org
Reporter: evert.vors...@yandex.com
I have a fairly large collection of photos. In this case, there are 32,000
pictures, taking up about 160Gb of disk space. Recently I have tried to scan
for faces through this database, and have discovered a couple of small bugs.
This specific bug seems to be related to the size of the dataset that I am
scanning through.
When I use MySQL as a backend, I get the error message "MySQL database has gone
away", and when I use the internal SQlite I get the error message that is
attached at roughly the same point through the dataset, at about picture 8000,
(25%) with just over 1000 faces recognized.
>From what I read online, this MySQL message means that either the database has
timed out, (no likely since we are writing to it the whole time), or that the
packet provided is too big.
>From the Error message in the SQLite failure, it would appear as if that
message is indeed quite excessive. I will try now with a larger message size
set in MySQL, and see if I can use that as a workaround. However, as my picture
collection is not THAT massive as compared to professional photographers,
someone else will run into this issue sooner than later.
Reproducible: Always
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