H13-711_V3.0 Exam Dumps - HCIA-Big Data V3.0

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.

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.

A Key Value format in the HBasel data file HFiler contains Key; Value, TimeStamp, KeyType, etC.

The core concept of MapReduce is to decompose a large computing task into each node of the cluster to make full use of cluster resources to shorten the running time.

In Hive architecture, ( ) groupPiece is responsible for table, columnand Partition etC. yuandataRead, write and update operations

Fusioninsight Spark SQL, like the community Spark JDBCServer, only supports single-tenant binding to a YARN resource queue and multi-tenancy, and does not support multi-tenant parallel execution.

The reliability of flume's data transmission means that in the process of data transmission, flume can automatically switch to another route to continue transmission when the next-hop flume node fails or the data is received abnormally.

In the MRS interface, Loader can specify a variety of different data sources, configuration data cleaning and conversion steps, configure cluster storage systems, etC. .