existHadoopAmong the open source big data platforms, which are distributed storage components? (multiple choice)
Answer(s): C,D
about the followingHBaseofBloomFilterCharacter understanding, which statement is incorrect?
Answer(s): A
HuaweiFusionInsight HDin the cluster,SparkFrom which of the following services can a service read data? (multiple choice)
Answer(s): B,C,D
forHiveWhich of the descriptions about normal tables and external tables is incorrect?
Answer(s): D
Spark SQLIn the table, there are often many small files (the size is much smaller thanHDFSblock size), in this case,Sparkwill enable aTaskto process these small files, whenSQLexist in operationShufleWhen operating, will greatly increasehashThe number of dynamic buckets will seriously affect the performance.
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