Based on event log files, you need to adjust Spark History Server settings. Could you please check SHS cleanup is enabled or not. If you enable spark automatically it clean the old event log files. To load larger event log files, you need to adjust the DAEMON_MEMORY_SIZE. You can refer the following article to adjust the SHS parameters: https://spark.apache.org/docs/latest/monitoring.html#spark-history-server-configuration-options ... View more