@Martin_Neumann there is a link the that thread, click on “using htop”
Anyway, I am pretty sure it will be “ACLKSYNC”. That is a bug, we know about it.
You can follow on GitHub:
deleting the content in the cache folder did resolve the problem for now
The problem is in netdata-meta.db
(SQLite ), deleting cache content resolves the problem because you delete the file. We will provide an instruction on how to resolve the issue without deleting historical data - workaround until the issue is fixed.