aboutFusionInsight HDplatformHiveservice, itsWebHCatDevelopment interface, which of the following descriptions is incorrect?
Answer(s): B
HDFSRuntime,NameNodewill load all the metadata of the file system from disk into memory, so the file system canThe total number of files stored is limited byNameNodememory capacity.
Answer(s): A
Suppose there is an application that needs to be accessed frequentlyOracleThe user table in the database, in order to improve performance, introduceRedisto cache users information.For this scene,RedisWhich of the following is the best data structure choice for ?
Answer(s): C
.existFusionInsight HDin, useSparkSQL, which of the following methods (or tools) can be used to performSQLstatement?(multiple choice)
Answer(s): A,B,C
Which of the following is notMapReducespecialty?
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