Slows down the Vim on switching between tabs and buffers

[vitaly-zdanevich]

Try gt and :tabnext, however starting from the bash is faster.

Few seconds is a very long delay :(

[vitaly-zdanevich]

...strange but now switches fast, without restarting of the Vim.

[vitaly-zdanevich]

Can not reproduce now.

[simonsmith]

Having this same issue. Any tips on how to debug are welcomed :)

[markonm]

Sounds like #29 (comment)
Try adding let g:tern#arguments = ["--persistent"] to your vimrc to force tern server not to shut down itself.

[simonsmith]

@xtal8 Already had that, and even tried running my own server. Have since switched to https://github.com/carlitux/deoplete-ternjs and the problem no longer exists.

[nickspoons]

The slow buffer switch is due to an autocmd which updates the buffer on BufLeave. You can remove that autocmd by adding this to your .vimrc:

autocmd FileType javascript autocmd! TernAutoCmd BufLeave