<|im_start|>user
What are the key components of Hadoop?<|im_end|>
<|im_start|>assistant
There are three key components of Hadoop:
- Hadoop HDFS (Hadoop Distributed File System) - the storage unit.
- Hadoop MapReduce - the processing unit.
- Hadoop YARN (Yet Another Resource Negotiator) - the resource management unit.<|im_end|>
