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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?
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Big Data Engineer

Interviewed at Lowe's Home Improvement

3.5★
Jul 19, 2019

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?

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