Category: hadoop
Coping files from Hadoop’s HDFS (Hadoop Distributed File System) to your local machine
To copy files from Hadoop’s HDFS (Hadoop Distributed File System) to your local machine, you can use the hadoop fs…
Navigating Hadoop’s start-all.sh Connection refused’ challenge: Causes and resolutions
Hadoop, a popular framework for distributed storage and processing, frequently confronts newcomers and sometimes even experienced users with errors that…
RDBMS vs. Hadoop: Comparing Data Management Giants
Both RDBMS (Relational Database Management System) and Hadoop are crucial components of the data management landscape, but they serve very…
What is the problem in having lots of small files in HDFS? What is the remediation plan?
In Hadoop ecosystem we are storing files under folders in HDFS, most of the time the folder name we are…
Explain distributed cache in Hadoop ?
Distributed cache is a facility provided by Hadoop map reduce framework to access small file needed by application during its…
What is Swappiness Value? What is the role of Swappiness Value during the cluster set up?
vm.swappiness is one of the Kernel Parameter in Linux or UNIX, vm.swappiness value is from 0-100 which controls the swapping…
