Seq2Seq Learning rate

I have fine tuning the Flan t5 using the seq2seq trainer what i have observe that while training the learning rate is changing. But i have set the learning rate fixed.
WHy this thing is happening how to control it ??

Hi @rishilearn, I’m guessing the lr_scheduler_type training argument is using the default value (linear), which means the learning rate will decay linearly during training. Try setting that to “constant”.