The client writes data to any Zookeeper node. Zookeeper needs to fully synchronize the data to other nodes before returning to the client to write successfully.
Which of the following options describes the Compaction correctly?
The process of OpenScanner in HBasel will create two different Scanners to read the data of HFile and MemStore. The Scanner corresponding to HFile is StoreFileScanner, and the Scanner corresponding to MemStore is MemStoreScanner.
Which of the following options are Huawei's data center solutions?
Kafka is a distributed message publishing and subscription system. It only forwards messages and does not save messages.
Hiveis establishedHadccpdata warehouse basefoundationframework. itcarryProvides a range of tools that can be used to performaccording to?Extractive loading?,Thisis a possiblestorage,? ?Analysis is stored inH?The mechanism of large numbers in.
Which of the following options are included in the key features of ZooKeeper?
What physical resources does Redis mainly consume?
Kerberos can only provide security authentication for services within the cluster.
In a point-to-point messaging system, data in the queue can be consumed by one or more consumers, but a message can only be consumedoneSecond-rate.
F1ink is suitable for applications with high concurrent data processing and millisecond-level delay
After the FusionlnisghtHD cluster is successfully installed, it is not allowed to modify the configuration of services, roles and instances.
HBase pass( )Quickly determine that user data does not exist.
Spark is a memory-based computing engine. All Sparki program data in the running process can only be stored in memory
The data stream of F1ume can be sent to different Channels according to the headers information.
