Transient vs Static variable java

Here I will show you what is the difference between Static and Transient. In any way, these two things are completely different with the different scope but people use to ask me this question lot of time. Here in this…

Format aborted in /app/hadoop/tmp/dfs/name

While startng the Hadoop i was just trying to format the filesystem. For that i have executed below command. bin/hadoop namenode -format But i am getting below error while doing this. Could you please let me know what could be…

Hadoop Interview Question

What is the difference between start-all.sh and start-dfs.sh in Hadoop   There are different scripts in bin dir in Hadoop which is used to launch Hadoop DFS and Hadoop Map/Reduce Daemons. start-dfs.sh – Starts the Hadoop DFS daemons (Namenode and Datanodes)…

Spring Transaction Management Tutorial

What is Transaction Management The sequence of activities that will be performed to complete database operation and its management is known as Transaction Management. All these actions in combination will be treated as ONE action only. So that DB doesn’t…