During the Fusioninsight HD installation process, which function cannot be performed by performing preinstall?
Before installing the Fusioninsight HD software package, you must set the host names of all nodes in the cluster in the node's / etc / hosts file:
What is the purpose of a HBase cluster to execute Compaction regularly? "Multiple choices"
When the Fusionlnsight HD Manager interface displays Hive service status as Bad, what are the possible reasons? (Multiple choices)
Are there any correct statements about Kafka components in Fusioninsight HD? (Multiple choices)
What's wrong about Fusioninsight Manager?
Fusioninsight HD Loader ift row data import and export must be processed in the Reduce stage.
In the HDFS mechanism, the NameNode SS manages metadata. Each read request from the client needs to read metadata information from the NameNode's meta data disk to obtain the position of the read file on the DataNode.
In a Fusionlnsight HD cluster, the cluster size is 300 nodes. If the recommended deployment scheme is adopted, what partitions will not exist on the control node? (Duplicate)
Fusioninsight HD user management system only supports man-machine account management.
What are the main features of big data analysis related technologies? (Multiple choices)
When Fusionlnsight HD is expanded, the new root node password of the host OS does not need to be consistent with the root user password of all nodes in the cluster.
Big data requires a change in the thinking mode of traditional industries. Data collection and analysis should be regarded as an important part of business processes. Data-driven business processes should be optimized to achieve intelligence and self-childhood, and rely on data assets to achieve cross-border expansion.
A correct
B. False
The Fusioninsight HD cluster contains multiple services, and each service consists of several roles. Which of the following are the roles of the service? (Multiple choices)
Flume's properties.properties configuration can configure multiple channles to transfer data.
When using HBase for data read and write services in Fusionlnsight HD, you need to connect to the HMaster.
In the customer IT system, the FusionlnsightHD cluster has 150 nodes, each node has 12 disks (not Raid, not including OS disks), each disk is 1T, only HDFS is installed, and how much data can be stored according to the default configuration?
A Hadoop manages cluster resources through the ResourceManager. What are its main functions? (Multiple choices)
What information is included in a KeyValue format in the HBase data file HFile? (Multiple choices)
Hive log collection on Fusionlnsight HD Manager interface, which option is incorrect?
Fusionlnsight Manager's service management operations. What is wrong with the following statement?
Fusioninsight HD system deployment elbow, if the Solr index is stored on HDFS by default, do you understand the following correctly?
The Fusioninsight HD management node provides a dual-machine HA mechanism. After the master node fails, the master and backup nodes need to implement failover manually.
What is the key feature or operation statement of Fusioninsight Manager?
When the HDFS Client writes a file, the writing position of the first copy of the data is determined by the NameNode, and the writing position of the other copies is determined by the DataNode.
What is the role of the Connector when the Fusionlnsight HD Loader creates a job?
Which of the following features does Spark provide? (Multiple choices)
What is wrong about Hive's architecture in Fusioninsight HD?
HBase in the Fusioninsight HD system supports dynamically expanding columns.
In the FusionlnsightHD system, multiple Flume connections can be used to gather data from the nodes it deploys.