Awesome getting Started with Big Data tech stacks

Cassandra :

Making a connection to cassendra cluster and executing the query over it. Notes on Cassendra usage (Data Modelling)

Hadoop:

Starting the hadoop cluster

Kafka

Starting the kafka cluster Creating consumer and producer

Serialization and Deserialization

Using Flatbuffer

Using Avro

Which is better

Spark

Processing huge data received from kafka cluster

putting it into hdfs