The document discusses Radu Vunvulea's contact information and technologies used. It then summarizes Hadoop as a data processing platform, database, data integration tool, and parallel coding environment that provides cheaper storage and retrieval while being easy to use, scalable, and replacing ETL. HDFS is introduced as Hadoop's distributed file system, with subsystems for management and access across NameNodes and DataNodes.

1. Radu Vunvulea
vunvulear@gmail.com
http://vunvulearadu.blogspot.com
HDFS

2. {
“name” : “Radu Vunvulea,
“company” : “iQuest”,
“userType” : “enthusiastic”
“technologies” : [ “.NET”, “Azure”, “Web”,
“Mobile”, “SL” , “JS”],
“blog” : “vunvulearadu.blogspot.com”,
“email” : ”vunvulear@gmail.com”,
“socialMedia” :
{
“twitter” : “@RaduVunvulea”,
“fb” : “radu.vunvulea”
}
}
Who am I?

4. Hadoop is
• Data processing platform
• Database
• Data integration tool
• Parallel coding environment

5. Hadoop is
• Data processing platform
• Database
• Data integration tool
• Parallel coding environment
• Cheaper storage and retrieval
• Easy to use with parallel programing
• Scalable for storage/retrieval

6. Hadoop is
• Data processing platform
• Database
• Data integration tool
• Parallel coding environment
• Cheaper storage and retrieval
• Easy to use with parallel programing
• Scalable for storage/retrieval
• Replacement for ETL
• Analytics tool

8. HDFS - Hadoop Distributed File System

9. Subsystem Management

10. Data Access

11. Portability

12. Name Node and Data Node

15. THE END
Radu Vunvulea
vunvulear@gmail.com
http://vunvulearadu.blogspot.com