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IDProjectCategoryView StatusDate SubmittedLast Update
0007682ardourbugspublic2018-11-04 14:532018-11-09 06:16
Assigned To 
PlatformPCOSLinux MintOS Version18.3
Product Version5.12 
Target VersionFixed in Version 
Summary0007682: Creating snapshots becomes extremely slow when the project has too many MIDI regions
DescriptionI've noticed that after I cross a certain point - my projects start to take a few minutes to create snapshot.

I'm often using "Snapshot (& switch to new version)" to have a copy of project, and continue my work.

My workflow includes using a lot of MIDI regions as I synthesize everything including drums - that seems to make Ardour choke at some point when creating new snapshots.

What is interesting - the problem doesn't occur when saving current snapshot "in-place" (regular Session > Save function).

I'm attaching an example session that this affected by this problem, though I see this happen in every single project after some point. it makes it quite difficult to work as I'd like to.
Steps To Reproduce1. Load the attached session in Ardour 5.12
2. Perform "Snapshot (& switch to new version)"
3. See Ardour completely lock up for a few minutes.
TagsNo tags attached.
Attached Filesgz file icon Mental Decay.tar.gz [^] (2,955,535 bytes) 2018-11-04 14:53

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- Issue History
Date Modified Username Field Change
2018-11-04 14:53 unfa New Issue
2018-11-04 14:53 unfa File Added: Mental Decay.tar.gz
2018-11-09 06:16 user3526 Note Added: 0020467
2018-11-09 12:00 paul Note Deleted: 0020467

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