We use 'LastStartTime' in backends list to check whether there is an unexpected restart of BE, but it will be changed as BE's first heartbeat time after FE restarted, it would be better to set it to BE's actual start time.
# fe-common This module is used to store some common classes of other modules. # spark-dpp This module is Spark DPP program, used for Spark Load function. Depends: fe-common # fe-core This module is the main process module of FE. Depends: fe-common, spark-dpp