Editor sluggish in cycles coocurring with audible increased disk usage

potentially related issues:

#13020 #13041

Problem Description

Writing in the editor is slow, but the slowing occurs in cycles - the speed is ok for a while but then is slow (and then ok again). This is visible even in cursor movement. Pressing left key and keeping it pressed leads to cursor running normally, then experiencing major jumps and hiccups, and then again it runs normally (and so on it repeats). The slowing happens approximmately when I hear intensified disk work (Spyder may be saving or reading something). The disk work also happens in cycles, even if I am not typing anything in the editor: the increased disk usage can be heard every 2-3 seconds for about 1 second. The disk sound goes away when I close Spyder, or don’t use it for a while. It usually starts a few seconds after I switch to Spyder (for example to check its version just now) and still lasts for about 4-5 cycles after I move the focus somewhere else.

I updated Spyder not so long ago (to 4.1.4), but the sluggish editor problem started only recently (about 1-2 days ago). One thing that I did recently may be related to this issue: The project I am working on has its directory on Dropbox. Because of this I get many Spyder temp files written there (#13041). I’ve recently moved these files to a separate directory to later see if they contain something useful. Maybe the disk work is somehow related to this? I have also turned on many linting options recently - but after experiencing the slowdown I turned them all off and this did not help so I doubt this is related, although it happend in similar time window.

Versions

• Spyder version: 4.1.4
• Python version: 3.7.3
• Qt version: 5.9.7
• PyQt version: 5.9.2
• Operating System name/version: Windows 10 Home, version 1909, build 18363.1016

Dependencies

# Mandatory:
atomicwrites >=1.2.0           :  1.4.0 (OK)
chardet >=2.0.0                :  3.0.4 (OK)
cloudpickle >=0.5.0            :  1.5.0 (OK)
diff_match_patch >=20181111    :  20200713 (OK)
intervaltree                   :  None (OK)
IPython >=4.0                  :  7.13.0 (OK)
jedi =0.17.1                   :  0.17.1 (OK)
nbconvert >=4.0                :  5.6.1 (OK)
numpydoc >=0.6.0               :  0.9.1 (OK)
paramiko >=2.4.0               :  2.7.1 (OK)
parso =0.7.0                   :  0.7.0 (OK)
pexpect >=4.4.0                :  4.8.0 (OK)
pickleshare >=0.4              :  0.7.5 (OK)
psutil >=5.3                   :  5.6.3 (OK)
pygments >=2.0                 :  2.6.1 (OK)
pylint >=1.0                   :  2.5.3 (OK)
pyls >=0.34.0;<1.0.0           :  0.34.1 (OK)
qdarkstyle >=2.8               :  2.8.1 (OK)
qtawesome >=0.5.7              :  0.7.2 (OK)
qtconsole >=4.6.0              :  4.7.5 (OK)
qtpy >=1.5.0                   :  1.9.0 (OK)
rtree >=0.8.3                  :  0.9.4 (OK)
sphinx >=0.6.6                 :  3.2.0 (OK)
spyder_kernels >=1.9.2;<1.10.0 :  1.9.3 (OK)
watchdog                       :  None (OK)
zmq >=17                       :  19.0.1 (OK)

# Optional:
cython >=0.21                  :  0.29.12 (OK)
matplotlib >=2.0.0             :  3.1.0 (OK)
numpy >=1.7                    :  1.18.1 (OK)
pandas >=0.13.1                :  0.25.3 (OK)
scipy >=0.17.0                 :  1.4.1 (OK)
sympy >=0.7.3                  :  None (OK)

# Spyder plugins:
spyder_notebook                :  0.2.3 (OK)

[mmagnuski]

I think it is safe to assume this has been fixed. I haven’t had this issue in a long time.

[mmagnuski]

Great, thanks @ccordoba12, I will check it out as soon as it is released!