RedisofLISTData structure (multiple choice) Which scenarios?

• A.uniq operations, such as getting the ranking value of all data in a certain period of time
• B.Get the latest N data operations: For example, for a Weibo, get the latest 10 comments,
• C.Build queuing systems, such as message queues
• D.Simulate stack operations

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FusionInsight HDin, aboutHive UDFsSecondary development, is the following description correct?
(multiple choice)

• A.user definedUDF, information such as summary and status is not allowed.
• B.Under the secure cluster, user-definedUDF, it is recommended to create it once before each use.
• C.user definedUDFBefore being used, it needs to beHivecreate this in the systemUDF.
• D.user definedUDF, can be added according to the actual situationdeterministicandstatefuletc. Notes.

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set the block storage size to128M,HDFSWhen the client is writing a file, when writing a100M How much storage space does a file of this size actually occupy?

• A.50M
• B.128M
• C.100M
• D.64M

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useFusionInsight HDofHiveQuery data, when the intermediate result of the query has a large amount of data, You can choose to compress the intermediate result data for better performance. Which of the following areHiveCorrelation of intermediate result compression parameter? (multiple choice)

• A.hive.intermediate.compression.type
• B.hive.exec.compress.output
• C.hive.exec.compress.intermediate (middle)
• D.hive.intermediate.compression.codec

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FusionInsight HD assuming a topology that setsspoutConcurrency is3,bolt1Concurrency for2,bok2Well degree is3.workerThe number is2,Sobolt1ofexecutorexistworkerhow to divide Cloth?

• A.twoworkerone for each
• B.no fixed rules
• C.twoworkerBoth are distributed
• D.twoworkerone of theworkerdistribute two

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