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There are mainly 3 components in spark UI Jobs A spark application can have multiple jobs based on the number of actions (#jobs =#actions) in the...
RDD(resilient distributed datasets) are the basic unit of storage in spark. you can think of an rdd as a collection distributed over multiple...
In simple terms, Apache spark is an in-memory unified parallel compute engine. In Memory,Most of the operations in apache spark happen in memory and...
We cannot use an analytical storage system for transactional requirements and vice versa. But have you ever wondered why is that so? Transactional vs...
Data ingestion is one of the crucial steps in the data lifecycle and when the source is a relational database, Sqoop can be a very easy and simple...
Although MapReduce is not much used in solving Big Data problems nowadays because of its poor performance compared to spark. But it's still a very...
