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… Continue reading Hadoop and Spark developer interview questions latest – part1
Category: interview questions
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… Continue reading Hadoop Developer Interview Questions for Experienced -Part3
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… Continue reading Hadoop Developer Interview Questions for Experienced – Part2
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… Continue reading Hadoop Developer Interview Questions for Experienced – Part1
Hive interview Questions – Part1
Here i'm updating the list of interview questions that are asked during several interviews in HIVE Q. What is SerDe in Hive? The SerDe interface allows you to instruct Hive as to how a record should be processed. A SerDe is a combination of a Serializer and a Deserializer (hence, Ser-De). The Deserializer interface takes… Continue reading Hive interview Questions – Part1
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?… Continue reading Hadoop developer – writtten test FAQ’S
Sqoop Interview Questions – Part1
In this post i'm updating the sqoop interview questions which i have faced..for some questions i didn't mention the answers findout yourself and happy learning Q. Sqoop null string handling using -- Null string "\$", --Non null string "\$" Q. Sqoop import file formats Avro, sequencefile, text, parquet, orc with hcatalog Q. Sqoop hive import… Continue reading Sqoop Interview Questions – Part1
Pig Interview Questions – part1
Here i'm updating some of the pig interview questions which i faced..some questions the answers i didn't updated. findout the answers yourself and Happy learning Q. How do you limit your data in Pig. using Limit keyword on relation. example: A1 = load “/path/data” using PigStorage(“,”); A= limit A1 10; Q. What is cogroup. for… Continue reading Pig Interview Questions – part1