SQLAppStatusListener¶

SQLAppStatusListener is a SparkListener (Spark Core).

Creating Instance¶

SQLAppStatusListener takes the following to be created:

• SparkConf (Spark Core)
• ElementTrackingStore (Spark Core)
• live flag

SQLAppStatusListener is created when:

• SharedState is created (and initializes a SQLAppStatusStore)
• SQLHistoryServerPlugin is requested to create SparkListeners