Hadoop Developer Interview Questions for Experienced -Part3

HI Guys, Recently i attended couple of interviews for the position of Hadoop Developer/BigData Developer. So adding all the questions here and find out answers for them...Happy learning. Interview1: How to move oozie workflows from Dev Env to production How to run 2 oozie workflows parallel What are the artifacts in oozie What are the…

Hadoop Developer Interview Questions for Experienced – Part2

Hi Guys, Here i'm updating the latest interview questions which i faced during my recent interviews....go through it and find answers....Happy learning Hadoop L&T: How array list will grow Till Java 6 int newCapacity = (oldCapacity * 3)/2 + 1; (Update) From Java 7 int newCapacity = oldCapacity + (oldCapacity >> 1); also, data from the old array is copied into the new array. Diff hashmap and…

Hadoop developer – writtten test FAQ’S

The below list is the commonly asked questions in written test for Hadoop developer position. These questions are from merilytics,Hyd. Respoosibilties of jobtracker? Namenode, jobtracker, tasktraker ports? Difference between nfs, namenode, journalnode? Difference between hive and hbase? Write custom partitioner class? Write the differences between sort and shuffle phase expain with examples What is zookeeper?…