1. I noticed that my total RAM increased to 75% usage and swap was being used.
2. I closed the browser 2 or 3 times and eliminated the swap also, to get like 10% RAM back (so to 65%).
3. on reopening …
I was generating blocks and adding users, writing messages. I noticed that memory usage got to 1.3 GB RAM (of total 2 GB) and saw twisterd in debugger had an exception :-(
twisterd was running for 5h…