Hadoop and Spark developer interview questions latest – part1

Hi, i'm back with set of new interview questions on Hadoop,Spark and other related frameworks. Interview1: Difference between method and function in scala Finding max in List using java and scala Oozie workflows deployment Oozie coordinators – where we will set freq in oozie How often your oozie jobs will run. For what purpose you…

Tips to clear CCA175 – Cloudera spark and hadoop developer certification

Hi Guys, Recently i have given the CCA175. I got 9/10.here i'm  listing some tips to clear CCA175. Time Management is the key. try to do multitasking if possible. while executing one problem try to read and understand the other problem so you will save some time. All questions are very easy(sqoop,hive, avro). For Spark,…

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 Interview Questions for Experienced – Part1

Hi Guys, Here i'm updating the list of interview questions which i attended last week. check out the list of questions...i'm not updating the answers, Google it or find out yourselves and Happy learning...Hadoop 1. Interview1- it is top MNC. starts with "A" About project Mapreduce flow Custom partitioner Types of input formats Difference between…