Some events in the YARN container entities have timestamp of -1. The RM-generated container events have proper timestamps. It appears that it's the NM-generated events that have -1: YARN_CONTAINER_CREATED, YARN_CONTAINER_FINISHED, YARN_NM_CONTAINER_LOCALIZATION_FINISHED, YARN_NM_CONTAINER_LOCALIZATION_STARTED.
In the YARN container page,
I think the data itself is OK, but the values are not being populated in the REST output?