Github user sryza commented on the pull request:
https://github.com/apache/spark/pull/1328#issuecomment-48366398
SPARK-2099 is adding a general executor->driver heartbeat. It might be
worth piggybacking the communication between the MapOutputTrackerWorker and
MapOutputTrackerMaster on this.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---