[Bug 2060534] [NEW] Thunderbird disk usage out of control

[luca moscato]

Public bug reported:

Environment: Thunderbird 124.0 64bits installed as SNAP on Ubuntu 22.04 LTS
3 gmail imap account

This (monday) morning Ubuntu notify me that I was running out of disk
space, and while I was checking where the problem was, the disk analyzer
told me the answer

snap/thunderbird/common directory has a size of more than 360GB, pretty strange since my gmail account have 15GB and 30GB of quota (half used more or less)
One of them is a shared one we use for notfication with almost 100k emails, flow is very high since with my team we receive emails, handle and archive them.

I tryed to compact database, keep on disk only latest 90 days email but
the sistem started to suffer issues due to no disk space so that I tried
to remove that account and instantly more than 250GB of data on disk
disappeared.

Issue found and fixed but:
- Thunderbird should NOT use so much disk space, some cleanup process MUST be implemented to keep disk usage under control, as I wrote system usage is impaired
- Is this issue index-related? Since I do a lot of quick search on that account
- Is something snap/linux related? Could be found also on Windows/Mac?
- If someone needs logs, I'd be happy to provide them but I need instructions about how to retrieve them.

** Affects: thunderbird (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2060534

Title:
  Thunderbird disk usage out of control

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