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In the implementation of the business logic of HBase writing data, which of the following interfaces or classes does not need to be involved?
In the implementation of the business logic of HBase writing data, which of the following interfaces or classes does not need to be involved?A . PutB . HTableC . HBaseAdminD . PutListView AnswerAnswer: C
In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?
In a FusionInsight HD cluster, Flume does not support writing collected data to which service in the cluster?A . HDFSB . HBaseC . KafkaD . RedisView AnswerAnswer: D
In the FusionInsight HD product, what is the role name of the Kafka service?
In the FusionInsight HD product, what is the role name of the Kafka service?A . ProducerB . BrokerC . ConsumerD . ZooKeeperView AnswerAnswer: B
In the Hive application of FusionInsight HD, there are scenarios where the data storage file has a high compression efficiency, and most queries only involve a part of the file field. This scenario is suitable for ORC File storage.
In the Hive application of FusionInsight HD, there are scenarios where the data storage file has a high compression efficiency, and most queries only involve a part of the file field. This scenario is suitable for ORC File storage.A . TrueB . FalseView AnswerAnswer: A
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)
When indexing in Solr, which of the following code snippets can significantly improve indexing performance? (multiple choice)A . lbClient.setRequestWriter (new BinaryRequestWriter());B . if (updateRequest.getDocumentsMap().size() >= 10000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }C . if (updateRequest.getDocuments().size() >= 1000) { cloudSolrClient.request (updateRequest, collName); updateRequest.clear(); }D . SolrlnputDocument doc = new SolrlnputDocument(); doc.addField...
In FusionInsight HD's Hive, the user-defined UDF can have the same name as the Hive built-in UDF. In this case, the user-defined UDF will be used.
In FusionInsight HD's Hive, the user-defined UDF can have the same name as the Hive built-in UDF. In this case, the user-defined UDF will be used.A . TrueB . FalseView AnswerAnswer: B
In Spark, which of the following is the operator that takes the intersection of the DataFrame?
In Spark, which of the following is the operator that takes the intersection of the DataFrame?A . filter (condifionExpr: String): DataFrameB . join (right: DataFrame, join Exprs: Column): DataFrameC . intersect (other: Data Fra me): Data Fra meD . dropDuplicates():DataFrameView AnswerAnswer: C
In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?
In Spark, assuming that lines is a DStream object, which of the following statements can periodically count the number of words on this stream?A . Iines.flatMap(_.split ” “” )).map(word => (word, 1)).reduce(_ +_).print()B . Iines.flatMap(_.split ” “” )).map(word => (word,word.Iength())).reduceByKey (_ +_).print()C . Iines.fIatMap(_.spIit ” “” )).map(word => (word, 1)).reduceByKey(_...
As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)
As the core object of Spark, which of the following characteristics does RDD have? (multiple choice)A . Read onlyB . PartitionC . Fault toleranceD . EfficientView AnswerAnswer: ABCD
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?
In FusionInsight HD, which method of the OozieClient class will be called by the JAVA API of the Oozie client when running tasks?A . suspendB . getJobInfoC . submitD . runView AnswerAnswer: D
