The following aboutHWhich of the descriptions of the Base secondary index is correct?
Hive supports normal views and materialized views.
The Fusionlnsight HD management node provides a dual-machine HA mechanism. After the primary node fails, the primary and secondary nodes need to manually implement Failover.
If the data producer needs to decide to send data to a certain task of the target Bolt. Which of the following message publishing strategies should be selected
In Zookeeper's service model, the Leader node exists in the active-standby mode. All other nodes belong to the Follower node.
inWebHCatin the architecture. Users can use the secureHTTPSprotocolexecuteDo which of the following actions?
What is the default resource scheduler in YARN?
F1ink is suitable for applications with high concurrent data processing and millisecond-level delay
ElasticSeArch expansion fieldKing Packageincluding whichsome?
In the MRS service, the unavailability of the Zookeeper service will result in the unavailability of the kafka service.
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
Hive is a data warehouse processing tool that uses the SQL-like HiveQL language to implement data query functions. All Hive data is stored in HDFS.
Which of the following reasons may be the cause of the failure of the Loader job execution?
Multiple channels can be configured in the properties.protertises configuration file of Flumef to transmit data
Watermark is a mechanism proposed by Apache Flink to process EventTime window calculation, which is essentially a timestamp.