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Which of the following options for providing multiple Redis1 optimizations is wrong?
SELECT aa.salarybB. address FROM employee aa JoiN SELECT adress FROM employee info where provine='zhejiang') What types of operations does bb ONaa.nanme=bB. name contain?
Which of the following options does the time operation type supported by F1ink include?
In the HDFS federated environment, which of the following contents are included in the NameSpace
As shown in the figure, what languages are supported by the Flink streaming data processing interface Datastream API?
What information does a Key Value format in the HBase data file HFiler contain?
Which of the following descriptions about the characteristics of Kafka Partition replicas is correct?
SELECT a salary，b adiress FROM employee a JoiNsELECT adress FROM Employee info where provine ='zhejiang) b NO ananme=B. name: "What types of operations are included?
Use the Hbase client to write 10 pieces of data in batches. An HRegionServer node contains 2 regions of the table, namely A and B. Among the 10 pieces of data, 6 belong to A and 4 belong to B. Please write How many RPC requests do I need to send to HRegionServer for these 10 pieces of data?
The following figure shows the label storage strategy of HDFS. Observe the figure below, which data nodes will HBasel data be stored on
Which of the following descriptions about the deployment of big data components on Kunpeng and x86 servers is correct?
Which of the following descriptions about the functions of HMaster in HBase are correct?
In a Fusioninsight HD V100R002C60 cluster, which of the following components need to be partitioned for metadata?
When the Hive service status is displayed as Bad on the Fusioninsight Manager interface, what are the possible reasons?
Which of the following descriptions about Hive log collection on the Fusioninsight Manager interface is incorrect?
In the Fusioninsight product, which of the following descriptions about kafka's topicl is incorrect?
Which two roles are responsible for the active and standby status management of HDFS NameNode nodes and the merging of metadata files?
In the Hadoop platform, to view the information of an application in the YARN service, what command is usually needed?
Which of the following is not included in the schemai authentication method of Zookeeper?
What does Fusioninsight HD HBase use by default as its underlying file storage system?
In the MRS platform, which component does the F1ume data flow not need to pass through in the node?
In the Fusioninsight HD system, which of the following methods cannot view the execution result of the Loader job?
In Fusionlnsight HD cluster planning, manage nodes&control node&What kind of scenarios is the unified data node deployment solution suitable for?
What is the module used to manage the active and standby status of the Loader Server process in Loader?
Existing server.channelsa=ch1, set the Channel type to File Channel, which of the following configurations is correct?
Which of the following is not a characteristic of the MapReduce component in Hadoopl?
In the Fusioninsight product, about the Kafka topic, which of the following descriptions are incorrect?
Which of the following programming languages is Spark implemented in?
AC
B.C++
C. JAVA
D. Scala
In the operation process of F1ink, the role responsible for applying for resources is
A user information table meg is saved in HBaser of Fusioninsight HD_table, Rowkey is the user id, one of which is the name of the user, now write three KeyValues to this column in sequence:001:Li, 001:Mary001:Lily, may I ask scanmeg_table', (VERSION=>2) which pieces of data will be returned?
Which of the following links is the data conversion operation of F1ink completed?
To set the maximum resource usage of QueueA in YARN, which parameter needs to be configured?
When using Loaderi for data import and export, data processing must go through the Reducel stage
Redis multi-server nodedeploy, the client sends a requestbeggingtake officemeaning? ?,if? ?check itself is not key placementnode, thenwill requestto itshe?.
FlinkWhich of the following three types of windows can be divided into the following three types of windows according to different implementation principles?
In the task scheduling of YARN. Once the ApplicationMasterE applies for the resource, it communicates with the corresponding ResourceManagerj and asks it to start the task
HBasetable design, column families andRowKeyIt is an important part of table design. Which of the following options is not suitableDoRowKey?
With the continuous increase in the volume of big data, the requirements for the physical security of data storage are getting higher and higher, and higher requirements are also put forward for the multiple copies of data and disaster recovery mechanism.
In the HBase component, data read and write services need to be connected to the Master for execution.
The following figure shows the storage locations of files A, B, C, and D. A and B are related, and their storage locations conform to the Colocation strategy.
Big data requires the transformation of traditional industry thinking. Data collection and analysis should be regarded as an important part of business processes. The data end drives business process optimization, realizes intelligence and automation, and relies on data assets to achieve cross-border expansion
Which of the following can the big data platform be applied to?Supervisionclass scene?
When the Fusioninsight HD cluster is deployed in a three-layer network, it is recommended that the management node, control node, and data node be installed in different network segments to improve reliability.
Batch processing of high-value and highly aggregated information and knowledge is the main business requirement of the big data industry
There are two ways to clean up Kafkal logs: delete and compact. The default value is delete.
A Key Value format in the HBasel data file HFiler contains Key; Value, TimeStamp, KeyType, etC.
Spark is a memory-based computing engine. All Sparki program data in the running process can only be stored in memory
Fl? ?in transmissiondata process. Data can be simply filtered.hostwantby setting( )at Source? ?between (writeCa?Before)ordon't caredata is filtered.
kafka is a high-throughput, distributed, publish-subscribe-based messaging system. Using kafka technology, a large-scale messaging system can be built on cheap PC Server_.
Tez is a distributed computing box that supports directed acyclic graphs. When Hive uses the Tez engine for data analysis, it parses the HQL statements submitted by users into corresponding Tez tasks and submits them to Tez for execution.
Spark on YARN-clienti is suitable for production environment because it can see the output of APP faster.
When importing data into a Hive table, the validity of the data will not be checked, but only when the data is read.
F1ink not only provides real-time computing that supports both high throughput and exact-once semantics, but also provides batch data processing.
The client is a user operationHDFSThe most common way. the following aboutHDFSThe description of the client issureyeswhich?
ApplicationMasters apply for and receive resources from ResourceManagerl through the RPC protocol in a polling manner.
TESTED 21 Nov 2024