Question 66
The driven source is that flume periodically and actively acquires data.
Question 67
The combine of MapReduce in the Map stage is a pre-grouping process, which is optional.
Question 68
The index data of ElasticSearch can only be saved in the HDFS system.
Question 69
Which of the following programming languages is implemented in Spark?
Question 70
Which of the following is not a state store supported by Flink?