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Suppose there are the following scenarios. The most frequent query scenario is based on the mobile phone number to query the historical call records every month and every six months. Which of the following rowkey designs is the best?
The rowkey design of HBase table is a very important development and design link. Suppose there are the following scenarios. The most frequent query scenario is based on the mobile phone number to query the historical call records every month and every six months. Which of the following rowkey designs...
Which of the following statements about Solr Admin UI is correct?
During the Solr application development of FusionInsight HD products, you can verify the Collection through the Solr Admin UI. Which of the following statements about Solr Admin UI is correct? (multiple choice)A . Click Tree under Cloud to view metadata information such as Collections, configuration sets and live_nodes in Solr...
Set the data block storage size to 128M. When the HDFS client writes a file, when writing a 100M file, how much storage space is actually occupied?
Set the data block storage size to 128M. When the HDFS client writes a file, when writing a 100M file, how much storage space is actually occupied?A . 128MB . 100MC . 64MD . 50MView AnswerAnswer: B
HBase filters can set column names or column values as filter conditions, and support multiple filters to be used together.
HBase filters can set column names or column values as filter conditions, and support multiple filters to be used together.A . TrueB . FalseView AnswerAnswer: A
For an application running on the MapReduce platform, where will the jar package that the application depends on be placed?
For an application running on the MapReduce platform, where will the jar package that the application depends on be placed?A . HIVEB . HBASEC . HDFSD . DBView AnswerAnswer: C
In the process of Flume cascade transmission, you can use the fail over mode to transmit, so that if the Flume node of the next hop fails or the data is received abnormally, it can automatically switch to another way to continue transmission.
In the process of Flume cascade transmission, you can use the fail over mode to transmit, so that if the Flume node of the next hop fails or the data is received abnormally, it can automatically switch to another way to continue transmission.A . TrueB . FalseView AnswerAnswer: A
In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?
In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?A . lobB . ContextC . FileSystemD . ConfigurationView AnswerAnswer: A
Regarding the response format of Solr query results, what is wrong in the following statement?
When using Solr for full-text search, you can specify the response format of the query result through the wt parameter. Regarding the response format of Solr query results, what is wrong in the following statement?A . Support CSV and JSONB . Support CSV, JSON and HTMLC . Support CSV, JSON...
In FusionInsight HD, use the Streaming command line to submit the om.huawei.examole.WordCount task in example.jar. The task name is wcTest. Which of the following commands is correct?
In FusionInsight HD, use the Streaming command line to submit the om.huawei.examole.WordCount task in example.jar. The task name is wcTest. Which of the following commands is correct?A . storm jar example .jar wcTest om.huawei.example.WordCountB . storm jar example .jar wcTest WordCountC . storm jar example .jar om.huawei.example.WordCount wcTestD . storm...
In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)
In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)A . FlumeB . LoaderC . HBaseD . MapReduoeView AnswerAnswer: AB
