5475f10 docs: updates for parallel actions

Authored and Committed by praiskup 4 years ago
    docs: updates for parallel actions
    
    It is not wise to run flushdb in redis anymore, that could kill action
    worker on background and cause inconsistent outputs.  Also make sure we
    document the same stuff on one place.
    
    Merges: #1044
    
        
file modified
+2 -7