Hey Asad You can control the behaviour of applyTransaction in the StateMachine implementation. In case of an error, any further transaction can be failed by the server. Application can choose whether to skip or fail.
Regards Lokesh > On 09-Mar-2022, at 2:14 AM, Asad Awadia <[email protected]> wrote: > > Hello, > > What is the behaviour when the applyTransaction fails on the followers? > > I am assuming applyTransaction is called on the leader when a write request > comes in and on the followers as they replicate the log. > > For the leader we can signal back to the client but what about the followers? > If there is an error does the entire replication for that instance block/gets > stuck? > > Since it is almost like a stream of logs - we probably don't want it to skip > over the failed write and continue on as that can lead to inconsistent data > end state. > > Regards, > Asad
