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HBase Interview Questions

HBase Interview Questions What are the different commands used in Hbase operations? There are 5 atomic commands which carry out different operations by Hbase. Get, Put, Delete, Scan and Increment. How to connect to Hbase? A connection to Hbase is established through Hbase Shell which is a Java API. What is the role of Master server in Hbase? The Master server assigns regions to region servers and handles load balancing in the cluster. What is the role of Zookeeper in Hbase? The zookeeper maintains configuration information, provides distributed synchronization, and also maintains the communication between clients and region servers. When do we need to disable a table in Hbase? In Hbase a table is disabled to allow it to be modified or change its settings. .When a table is disabled it cannot be accessed through the scan command. Give a command to check if a table is disabled. Hbase > is_disabled “table name” What does the following table do? hbase > disable_all 'p.*' The command will dis…
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