Ho presentato la mia candidatura tramite un selezionatore. Ho sostenuto un colloquio presso Lowe's Home Improvement (Bengaluru)
Colloquio
Very nice experience, asks valid questions and relevant to your profile
Concentrate on SPARK, HIVE, SQOOP
You should be clear on what you have worked
Very nice experience, asks valid questions and relevant to your profile
Concentrate on SPARK, HIVE, SQOOP
You should be clear on what you have worked
Domande di colloquio [1]
Domanda 1
HIVE compression technique
Oozie
SPARK dataframes architecture and working
Ho presentato la mia candidatura tramite un'altra fonte. La procedura ha richiesto 2 giorni. Ho sostenuto un colloquio presso Lowe's Home Improvement (Bengaluru) nel mese di lug 2019
Colloquio
1st round was telephonic. In that they have asked basic questions on Spark,scala,hive.sqoop,oozie & cluster configuration. Next day I was called for F2F interview on Lowe's office on friday. Interview process took 2 hours.
Domande di colloquio [1]
Domanda 1
What is combinebykey
SCD1 logic
Different between edge node and data node
Where the code will be deployed? (edge node or in cluster)
YARN architecture
What are all the versions of spark you have worked?
Diff btw SchemaRDD and df
Different ways to create dataframe
what is bundle in oozie?
fork action in oozie?
distcp command
how do you decide number of mappers in sqoop job? what is the optimal number of mappers provided there is no restriction in establishing connection to DB?
how to do you pull clob,blob datatype in oracle to HDFS?
semi join,anti-join in scala
diff between logical plan and physical plan
where can we see logical plan?
