On 5 Aug 2020, at 14:20, code.by.nils@gmail.com wrote:

I work with large amounts of database-output (from 10 to 200 MB), that I usually paste into a new opened TextMate window. When it is pasted, all works as expected. But pasting takes minutes. TM freezes and it takes much, much longer than other editors I tested (VIM, Atom, VS) until the text is visible and useable.

What version of TextMate? The nightly builds have new backend for clipboard history storage.

I find out, that this is caused by the Clipboard History. I never heard of this before and do not use it, because I have the Clipy-App for that. Nonetheless the size of the clipboard history file was 1.3 GB. If I clear the clipboard history (control + option + command +v and then "Clear History") everything works normally, but in my case the CH grows really fast. So once a day I have to clear the history.

You can disable persistent clipboard history by running this line in a terminal:

defaults write com.macromates.TextMate disablePersistentClipboardHistory -bool YES

It will however still keep history in memory (until a relaunch of TextMate), so I don’t know if this will fully solve the issue for you.

In my opinion there are some solutions:
- Decoupling the pasting process and the CH process. The CH process should run in background with lower priority.
- Adding a setting to deactivate the CH. But in this case everybody, who use large text insertions run into this problems.
- Limit the size of the CH. But if people rely on this, that can cause problems.

Currently it limits history only based on date and total count (30 days or no more than 500 items): I hadn’t given much thought to size because ideally it should not affect performance, given that it is stored on disk, which is why I would like to know which version of TextMate you are running, so I know if this relates to the new or old storage backend.

If you are running 2.0.6 then please try update to latest nightly build (Preferences → Software Update) before you disable persistent clipboard history.