common/src/main/scala/org/apache/celeborn/common/protocol/message/ControlMessages.scala
worker/src/main/scala/org/apache/celeborn/service/deploy/worker/Controller.scala

common/src/main/scala/org/apache/celeborn/common/meta/WorkerInfo.scala
worker/src/main/scala/org/apache/celeborn/service/deploy/worker/Worker.scala