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 ?

existSparkmiddle,SparkSQLis an independent module that does not depend onSparkCorefinish independentlySQLSentence parsing, optimization

operations such as transformation and execution.

for running onMapReduceThe application on the platform that this application depends onjarWhere will the bag be placed?

FusionInsight HD in real-time processing scenarios, what computing frameworks are available? (multiple choice)

existFusionInsight HDclient, executeskinit{account}command is to getKDCwhich content?

Which of the following options isYamcore functionality?

HDFSclient withNcopy toHDFSWhen writing a file, if one of the replicas fails to write, all replicas will return to writing.

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