A user needs to build a 350-node Fusionlnsight HD cluster. Which planning solution is the best?
MapReduceprocess, by default,oneEach shard is a block, andYesOneMap Tasks.
Which of the following destinations can Fusioninsight HD Loader export HDFS data to?
Which of the following statements about Fusioninsight network security and reliability are correct? (Multiple choice)
In the Spark SQL table, there are often many small files (the size is much smaller than the HDFS block size). In this case, Spark will start more tasks to process these small files. When there is a Shuffle operation in the SQL logic, it will greatly increase the number of hash buckets, which seriously affects performance.
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