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StateStoreMetrics holds the performance metrics of StateStores and SymmetricHashJoinStateManager.

Creating Instance

StateStoreMetrics takes the following to be created:

StateStoreMetrics is created when:

  • HDFSBackedStateStore is requested for metrics
  • RocksDBStateStore is requested for metrics
  • StateStoreMetrics is requested to combine metrics
  • SymmetricHashJoinStateManager is requested for metrics

Custom Metrics

StateStoreMetrics is given StateStoreCustomMetrics and their current values when created.