What role does Distributed Cache play in Apache Hadoop?

1.	What role does Distributed Cache play in Apache Hadoop?
Answer» Hadoop offers a valuable utility feature called Distributed Cache that boosts job performance by caching files used by applications. Read-only files, zips, and jar files can all be distributed using Distributed Cache. Using JobConf settings, an APPLICATION can designate a FILE for the cache. The Hadoop framework copies these files to the nodes where a task must be COMPLETED. This is done before the task execution begins. Useful Interview Preparation Resources: Java Interview Power BI Interview Automation Testing Interview Salesforce Interview Data Scientist Interview Hadoop Interview Online Coding PLATFORM

Answer»

Hadoop offers a valuable utility feature called Distributed Cache that boosts job performance by caching files used by applications. Read-only files, zips, and jar files can all be distributed using Distributed Cache. Using JobConf settings, an APPLICATION can designate a FILE for the cache. The Hadoop framework copies these files to the nodes where a task must be COMPLETED. This is done before the task execution begins.

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