Which of the following HDFS commands can be used to check the integrity of a data block?
When deploying Fusionlnsight HD, how many Flume server nodes are recommended to be deployed in the same cluster?
A Fussinsight Manager is incorrect about the configuration function of the service?
After a Loader job in Fusioninsight HD is submitted to Yam, the job cannot be stopped manually.
During the Fusioninsight HD installation process, which function cannot be performed by performing preinstall?
What information is included in a KeyValue format in the HBase data file HFile? (Multiple choices)
When using Flume to input data, in order to prevent losing data due to restart of the Flume process, which of the following channel types is recommended?
In a Fusioninsight Hadoop cluster, if you query df-hT on a node, you can see the following partitions:
/ var / log
/ snzOgData
/ srv / BigData / hadoop / data 5
/ s MBigD at a / solr / solrsen / er3
/ s rv / BigData / d t) data_o m
What is the optimal RAID combination plan for the disks of these partitions?
Are the main features of big data understood and described correctly? "Multiple choices"
What parts of data do I need to read to perform HBase read data services? (Multiple choices)
RDDs can be generated from Hadoop-compatible file systems. After generation, RDD data can be partially updated by calling RDD operators.
The minimum processing unit of HBase in Fusioninsight HD system is Region. Where is the routing information between User Region and RegionSeiver stored?
Spark is based on memory computing. All data during the running of Spark programs can only be stored in memory.
In the Fusionlnsight HD cluster planning, is the deployment scenario where the management node, control node, and evidence node are combined into one deployment scenario suitable?
Are the following statements about Hadoop's HDFS1S correct? (Multiple choices)
The RowKey division of a bow table of HBase in Fusioninsight HD is split key is 9, E, a, z. How many regions does the table have?
Kafka is a distributed message publish and subscribe system. It only forwards messages and does not save messages.