Q62. Can you explain the difference between HDFS blocks and input splits? A62. A block is a physical representation of data, and a Split is a logical division of your data …
Q62. Can you explain the difference between HDFS blocks and input splits? A62. A block is a physical representation of data, and a Split is a logical division of your data …
Q88. How will you modify a portion of an HDFS file? A88. HDFS is an “append-only” file system. The most common use case of Hadoop data ingestion is to append new …
Q92. What are the criteria for choosing storage file formats in Hadoop? A92. Choosing the wrong file formats can significantly increase the query times and storage spaces. Choosing a format that …
More and more organisations are adopting the policy of “Cloud first architecture” where Cloud based storages like AWS S3 plays a major role. A data lake is a storage repository that …
Q1. What are the different ways to access files or data stored in HDFS? A1. You can access files or data stored in HDFS in many different ways. HDFS Command-Line Interface …