Yeah, when implementing this hack, I took the advice from this exact page: >This scenario can be avoided by ensuring that there are "reader gaps": times when n

Yeah, when implementing this hack, I took the advice from this exact page: >This scenario can be avoided by ensuring that there are "reader gaps": times when no processes are reading from the database and that checkpoints are attempted during those times I create reader/writer gaps by calling sleep() (before opening transactions) and activate the checkpointer manually in the checkpointer goroutine.