Thunderbird slow as of late

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tOsYZYny

For the past few months, thunderbird has been sluggish, so much so that I decided to give Evolution another try. I originally came from gdm and the gnome suite of tools and moved to i3 to have a lighter experience.

Aside from that, my experience has been that thunderbird with the lightning calendar extension is slow. Thunderbird by itself is fine, but there is some interaction as of late with the calendar extension that is causing poor performance.

I am wondering if others were facing the same or if it was just me?
 
Evolution feels light and snappy, how it should be. If push comes to shove, perhaps I will go to cmdline and whenever I need to check email, I will launch the process then to save more resources.
 
Thunderbird slows down when its local "database" approaches 4 GB in size.

Here's a couple of things to try. They markedly increased Thunderbird performance on two Windows PCs. Yet they ought to also apply to BSD.

1. Search for large local folders.

View > Folders > {check} Folder Pane Header
{right click} the three dots (...) on the Header
{check} Show Folder Size

In the case of the two Windows PC mentioned previously, the Send folders were well over 1 GB in size. Cleaning them out restored Thunderbird's performance.

2. Increase cache size.

Edit > Settings > General > Disk Space > Override automatic cache management
 
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I switched to evolution and resolved the issue that way - I missed out on notifications for some reason.

My thunderbird directory is now only 10M, I'm not sure what it was before.

I think you're probably right, some of my accounts have quite a bit of mail, but unless it is configured to download it locally, it should remain on the server. And, as it is only 10M, it cannot be cached locally.

I just fired it up now and it is eating up a lot of CPU time. Even after a few minutes, it is still eating up an entire core. When it first started, it was eating up all 4 cores. Whatever it is doing, the UI becomes unresponsive.

The only lingering things I see are 1 account has a password issue, I have a bunch of calendar notifications (I configured several notifications for each event like a day before, an hour before, 30 minutes out, and at the time etc so that I'm constantly reminded).

I feel like the calendaring side of things is likely the issue since that is an extension. I disabled all the calendar accounts on there except for 1, yet performance is still abysmal, though that is where I store all of my events.

Disabling that last calendar seemed to lower the CPU time to half a core, but it is still not great.
 
It seems SQLite is the problem for permanently slow Thunderbird and Firefox. Don't know why they think that SQLite is something irreplaceable.
 
6502 said:
I know it is good but it seems it is not fast enough.
Click to expand...
Is there evidence the reported issue is because of SQLite? That reads like I’m being sarcastic but I’m asking genuinely - I can’t see anything in this thread proving what is definitely causing the OP’s issue.
 
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