There’s no way to do that.
Once YARN launches containers, it doesn’t communicate with them for anything
after that. The tasks / containers can obviously always reach out to YARN
services. But even that in this case is not helpful because YARN never exposes
through APIs what it is doing with
Hi Vinod,
Thank you for the quick response.
To give you more context, I would like to reduce the load on the remote
target service. My idea was that, when YARN renews the token, the remote
service would also return an updated piece of data to YARN. Then YARN would
somehow share that piece of
Hi,
IIUC, when a distributed job is started, Yarn first obtains a delegation
token from the target resource, then securely pushes the delegation token
to the individual tasks. If the job lasts longer than a given period of
time, then Yarn renews the delegation token (or more precisely, extends