You can't really recover from checkpoint if you alter the code. A better approach would be to use some sort of external storage (like a db or zookeeper etc) to keep the state (the indexes etc) and then when you deploy new code they can be easily recovered.
Thanks Best Regards On Wed, Sep 16, 2015 at 3:52 PM, Bin Wang <wbi...@gmail.com> wrote: > I'd like to know if there is a way to recovery dstream from checkpoint. > > Because I stores state in DStream, I'd like the state to be recovered when > I restart the application and deploy new code. >
