HBase Interview Questions and Answers For Freshers Part-5
41. Define catalog tables in Hbase? Catalog tables are used to maintain the metadata information.
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41. Define catalog tables in Hbase? Catalog tables are used to maintain the metadata information.
Read More31. What is REST? Rest stands for Representational State Transfer which defines the semantics so that the protocol can be used in a generic way to address remote resources. It also provides support for different message formats, offering many choices…
Read More21. What is use of tools command? This command is used to list the hbase surgery tools.
Read More11. What is the full form of YCSB? YCSB stands for Yahoo! Cloud Serving Benchmark.
Read More1. What is Apache HBase? It is a column oriented database which is used to store the sparse data sets. It is run on the top of Hadoop file distributed system.Apache HBase is a database that runs on a Hadoop…
Read More41.What is a Hbase Store? A Habse Store hosts a MemStore and 0 or more StoreFiles (HFiles). A Store corresponds to a column family for a table for a given region.
Read More31.How does Hbase support Bulk data loading? There are two main steps to do a data bulk load in Hbase. Generate Hbase data file(StoreFile) using a custom mapreduce job) from the data source. The StoreFile is created in Hbase internal…
Read More21.What is a rowkey in Hbase? Each row in Hbase is identified by a unique byte of array called row key.
Read More11.Is Hbase a scale out or scale up process? Hbase runs on top of Hadoop which is a distributed system. Haddop can only scale uo as and when required by adding more machines on the fly. So Hbase is a…
Read More1.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.
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