Spark Command: /opt/java/openjdk/bin/java -cp /opt/spark/conf:/opt/spark/jars/slf4j-api-2.0.16.jar:/opt/spark/jars/* -Dspark.history.fs.logDirectory=/data/spark-events -Xmx1g org.apache.spark.deploy.history.HistoryServer
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Using Spark's default log4j profile: org/apache/spark/log4j2-defaults.properties
26/02/21 20:56:14 INFO HistoryServer: Started daemon with process name: 16@cb657e18052c
26/02/21 20:56:14 INFO SignalUtils: Registering signal handler for TERM
26/02/21 20:56:14 INFO SignalUtils: Registering signal handler for HUP
26/02/21 20:56:14 INFO SignalUtils: Registering signal handler for INT
26/02/21 20:56:14 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Using Spark's default log4j profile: org/apache/spark/log4j2-defaults.properties
26/02/21 20:56:15 INFO SecurityManager: Changing view acls to: spark
26/02/21 20:56:15 INFO SecurityManager: Changing modify acls to: spark
26/02/21 20:56:15 INFO SecurityManager: Changing view acls groups to: spark
26/02/21 20:56:15 INFO SecurityManager: Changing modify acls groups to: spark
26/02/21 20:56:15 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: spark groups with view permissions: EMPTY; users with modify permissions: spark; groups with modify permissions: EMPTY; RPC SSL disabled
26/02/21 20:56:15 INFO FsHistoryProvider: History server ui acls disabled; users with admin permissions: ; groups with admin permissions: 
26/02/21 20:56:16 INFO JettyUtils: Start Jetty 0.0.0.0:18080 for HistoryServerUI
26/02/21 20:56:16 INFO Utils: Successfully started service 'HistoryServerUI' on port 18080.
26/02/21 20:56:16 INFO HistoryServer: Bound HistoryServer to 0.0.0.0, and started at http://cb657e18052c:18080