Spark alone is sufficient for Big Data; Spark is the leading data-processing framework that could efficiently process large sets of data and much faster than Hadoop could ever do. Spark is designed from the ground up for performance.
Interested in learning Spark for Big Data applications? Then check out the Big Data Architect training course which offers a training course created in collaboration with IBM of 205hrs combined with 33+ projects for acquiring the required hands-on experience.
Also, do check out our YouTube video on Big Data Spark Training from our experts to help you better understand.