// The number of times the tracked entity spilled.
    uint64_t spills = 0;
    // The size, in bytes, of the memory released with spilling.
    uint64_t spilledBytes = 0;
    // The size, in bytes, of disk space used for spilling.
    uint64_t spilledDataStorageSize = 0;
    // The number of records, written to record store.
    uint64_t spilledRecords = 0;