How is the Block size calculated in MapReduce jobs?Let’s say you have a file of 2GB and you want to place that file in HDFS, then there will be 2GB/128MB = 16 blocks and these blocks will…Nov 15, 2019Nov 15, 2019
Finding HDFS Paths of Hive tablesSometimes, we would need a specific Hive table’s HDFS Path which we usually get by running the statements in Hive CLI or Editor.Nov 14, 2019Nov 14, 2019
Finding Total Size of Hive Database’s dataBy default, we can check the size of a table or database by using the hdfs command as below.Nov 13, 2019Nov 13, 2019
Printing and Deleting lines in a File-UnixSometimes, we end up in a situation where there is a need to print or delete specific set of lines from a file. I’m providing the commands…Feb 24, 2019Feb 24, 2019
Unix Tips and Tricks for IT SupportThis is my very first post here and I will be posting various useful commands and tricks that I’ve found useful in my support experience…Jan 20, 2019Jan 20, 2019
