I am running a single instance of ELK on one server installed by using the tar files.
Currently I am preparing an update from 5.1.2 to 5.5.2 on a local dev environment.
I just stopped ELK 5.1.2. merged the config from 5.1.2 into 5.5.2 and started the new version.
Now I am checking if our dashboards are still working, and unfortunately I have some issue found:
some lines are not shown. If I move my mouse over the blank area, I get some tooltips at the points, where the graph should be.
If I go to the vizualization, then everything seems ok: All 3 lines are shown: