Environment:
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.3 LTS"
ii insync 3.6.1.50206-focal
ii insync-emblem-icons 3.4.2.40983
ii insync-nautilus 3.4.2.40983
High cpu usage in Ubuntu when Nautilus opens a directory with thousands of images/files: