DataSet from Spark2.0Officially enabled, it has the characteristics of both DataFrame and RDD, and RDD is no longer used.
Answer : B
Fl? ?in transmissiondata process. Data can be simply filtered.hostwantby setting( )at Source? ?between (writeCa?Before)ordon't caredata is filtered.
Answer : A
F1ink state preservation mainly depends on( )mechanism, which regularly backs up the state in the program.
Answer : A
Flink provides built-in state management that canput at workstatesave atFlin1k internal,AgainNo need to store it in an external systemsystem. SuchThe benefits include which of the following options
Answer : C, D
During data stream processing,frequently used systemtimebetween(proceessing time)dofor an eventbetween. About Processing TimeWhich item is described incorrectly?
Answer : A
ElasticSeArch expansion fieldKing Packageincluding whichsome?
Answer : B, D
FlinkWhich of the following three types of windows can be divided into the following three types of windows according to different implementation principles?
Answer : A, B, C