Question:- Give the name of the key components of HBase
Answer:- The key components of HBase are Zookeeper, RegionServer, Region, Catalog Tables and HBase Master.
Question:- What is S3?
Answer:- S3 stands for simple storage service and it is a one of the file system used by hbase.
Question:- What is the use of get() method?
Answer:- get() method is used to read the data from the table.
Question:- What is the reason of using HBase?
Answer:- HBase is used because it provides random read and write operations and it can perform a number of operation per second on a large data sets.
Question:- In how many modes HBase can run?
Answer:- There are two run modes of HBase i.e. standalone and distributed.
Question:- Define the difference between hive and HBase?
Answer:- HBase is used to support record level operations but hive does not support record level operations.
Question:- Define column families?
Answer:- It is a collection of columns whereas row is a collection of column families.
Question:- Define standalone mode in HBase?
Answer:- It is a default mode of HBase. In standalone mode, HBase does not use HDFS—it uses the local filesystem instead—and it runs all HBase daemons and a local ZooKeeper in the same JVM process.
Question:- What is decorating Filters?
Answer:- It is useful to modify, or extend, the behavior of a filter to gain additional control over the returned data.
Question:- What is the full form of YCSB?
Answer:- YCSB stands for Yahoo! Cloud Serving Benchmark.
Question:- What is the use of YCSB?
Answer:- It can be used to run comparable workloads against different storage systems.
Question:- Which operating system is supported by HBase?
Answer:- HBase supports those OS which supports java like windows, Linux.
Question:- What is the most common file system of HBase?
Answer:- The most common file system of HBase is HDFS i.e. Hadoop Distributed File System.
Question:- Define Pseudodistributed mode?
Answer:- A pseudodistributed mode is simply a distributed mode that is run on a single host.