Zero papers in first PhD year. Is this common? I am terminating in these days the first year of my PhD in computer science. As I come from a different field, I spent the first semester doing courses, and most of the second in posing the basis of the thesis project: we have a couple of results, still nothing actually published, and only one paper waiting for approval (with a very low probability of being accepted ).

At the same time I can see many colleagues who already have published a couple of papers during the first year, so I am a bit worried. Am I going too slow? How common is for a PhD student to publish zero papers in the first year?

Also consider that the length of my PhD is 3 years, and this further worries me..
In my experience (in environmental science), it is unusual for students to publish in their first year, and typically only happens if they are publishing work that was largely done before starting their PhD (e.g. from a research Masters degree).