Hbase Architecture
Category : Hadoop | Sub Category : Apache HBase | By Prasad Bonam Last updated: 2020-10-17 07:38:07 Viewed : 866
Hbase Architecture
- ZooKeeper:
Small Data Coordination Service
- Hbase: Database stroage Engine
- HDFS:
Distirbuted File System
- Hadoop:
Aynchronous Map-reduce Jobs
- Master = Namenode
- RegionServer =Datanode
HMaster is the implementation of the Master Server. The Master
server is responsible for monitoring all RegionServer instances in the cluster,
and is the interface for all metadata changes
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- You have a Delta Lake solution that contains a table named table1. You need to roll back the contents of table1 to 24 hours ago. Which command should you run?
- You have an Azure Data Factory pipeline named Pipeline1. Which two types of triggers can you use to start Pipeline1 directly? Each correct answer presents a complete solution.
- You have an Azure Data Factory pipeline named Pipeline1. You need to send an email message if Pipeline1 fails. What should you do?
- You have an Azure Stream Analytics solution that receives data from multiple thermostats in a building. You need to write a query that returns the average temperature per device every five minutes for readings within that same five minute period. Which two windowing functions could you use?
- You have an Azure subscription that contains a Delta Lake solution. The solution contains a table named employees. You need to view the contents of the employees table from 24 hours ago. You must minimize the time it takes to retrieve the data. What should you do?
- You have an Azure subscription that contains the following resources
- You need to ensure that all changes to DB1 are stored in DW1. The solution must meet the following requirements:
- You need to ensure that all changes to DB1 are stored in DW1.The solution must capture the new value and the existing value and store each value as a new record.
- You need to ensure that all changes to DB1 are stored in DW1.The solution must capture the new value and the existing value and store each value as a new record.
- You plan to configure an Azure Stream Analytics job named Job1.
- You plan to use an Azure Synapse pipeline to copy CSV files from the branch office, perform complex transformations on their content, and then load them to DB1.