11. What are part- files in Hadoop & 6 ways to merge them

What are the part-xxxx files generated by Hadoop? When you invoke rdd.saveAsTextFile(…) or rdd.saveAsNewAPIHadoopFile(…) from Spark you will get part- files. When you do “INSERT INTO” command in Hive, the execution results in multiple part files in HDFS. You will…

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800+ Java & Big Data Interview Q&As

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