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FusionInsight HD uses the Hbase client to write 10 pieces of data in batches. A certain HRegionServer node contains two Regions of the table, namely A and B. Among the 10 pieces of data, 6 pieces belong to A and 4 pieces belong to B. Excuse me. How many RPC requests need to be sent to HRegionServer to write these 10 pieces of data?
FusionInsight HD uses the Hbase client to write 10 pieces of data in batches. A certain HRegionServer node contains two Regions of the table, namely A and B. Among the 10 pieces of data, 6 pieces belong to A and 4 pieces belong to B. Excuse me. How many RPC...
Which of the following factors have contributed to the vigorous development of the big data era?
Which of the following factors have contributed to the vigorous development of the big data era?A . Reduction of hardware cost and improvement of network bandwidth B. The rise of cloud computing C. The popularity of smart terminals and the improvement of social needs D. All of the above are...
A user needs to build a 350-node FusionInsight HD cluster, which planning scheme is the best?
A user needs to build a 350-node FusionInsight HD cluster, which planning scheme is the best?A . Deployment of management nodes, control nodes, and data nodes in one, Layer 2 networking B. Integrated deployment of management nodes and control nodes, independent deployment of data nodes, and Layer 2 networking C....
What is the default Block Size of HDFS in the Fusioninsight HD system?
What is the default Block Size of HDFS in the Fusioninsight HD system?A . 32M B. 64M C.128M D. 256MView AnswerAnswer: C
In the YARN service, if the capacity of the queue QuqueA is to be set to 30%, which parameter should be configured?
In the YARN service, if the capacity of the queue QuqueA is to be set to 30%, which parameter should be configured? A. YARN.scheduler.capacity.root.QueueA.user-limit-factor B. YARN.scheduler.capacity.root.QueueA.minimum-user-limit-percent C. YARN.scheduler.capacity.root.QueueA.capacity D. YARN.scheduler.capacity.root.QueueA.stateView AnswerAnswer: C
Which of the following statements about ZKFC is wrong?
Which of the following statements about ZKFC is wrong?A . ZKFC (ZKFailoverController) is used as a client of Zookeeper cluster to monitor the status information of NameNode B. The ZKFC process needs to be deployed in the NameNode node and Zookeeper's Leader node C. The Standby NameNode perceives the status...
During operation, the Kafka cluster directly depends on which of the following components?
During operation, the Kafka cluster directly depends on which of the following components?A . Zookeeper B. HDFS C. Spark D. HBaseView AnswerAnswer: A
In Kafka HA, when the Leader corresponding to the Partition goes down, a new Leader needs to be elected from the Followers. Which of the following roles will perform it?
In Kafka HA, when the Leader corresponding to the Partition goes down, a new Leader needs to be elected from the Followers. Which of the following roles will perform it?A . Follower B. Controller C. Broker D. LeaderView AnswerAnswer: C
The following provides a variety of Redis optimization methods, which option is wrong?
The following provides a variety of Redis optimization methods, which option is wrong?A . Simplified key names and key values B. Turn off Transparent Huge Pages C. Modify the minimum number of tcp connections in Linux D. Modify the Linux kernel memory allocation strategy or execute sysctlView AnswerAnswer: C
If the data producer needs to decide to send the data to a certain task of the target Bolt, which of the following message publishing strategies should be selected?
If the data producer needs to decide to send the data to a certain task of the target Bolt, which of the following message publishing strategies should be selected?A . Local field grouping B. Broadcast packet C. Direct grouping D. Global groupingView AnswerAnswer: C
