Solved
Spark2 History Server UI is not showing completed application when spark.eventLog.compress=true
Spark2 History Server UI is not showing completed application when spark.eventLog.compress=true. I could see completed application in spark eventlog dir in lz4 format.
/spark2-history/application_1574201808558_1228909.lz4Ambari Version : 2.6.0.0
HDP Version : 2.6.3.0-235
Spark Version : 2.xThank you.

