Today zeitcoind getinfo tells me that it has indexed 1500 Blocks. This seems to me a neverending Story.
I stopped it and start it new with bootstrap.dat .
By watching the content of debug.log it seems to be a slow but continous process. I will try this.
The System ist a Rapsberry PI 3 with 1GB Ram.
ZEIT by itself will use a little over
~1GB of ram, if the system does not have at least 2 GB, it is probably going to be more trouble than success.
(System is probably Page Thrashing (http://www.geekinterview.com/question_details/3333) ) 