"No one is harder on a talented person than the person themselves" - Linda Wilkinson ; "Trust your guts and don't follow the herd" ; "Validate direction not destination" ;

June 03, 2012

Hadoop Basics - Part II

[You may also like - Hadoop Basics - Part I]

Next Post is learning about Streaming Data Access in HDFS
Summarising from the link
  • HDFS is targeted for batch processing
  • Emphasis is high throughput for Data Reads
This looks ok but how it is achieved ? This question was useful to understand it - What is meant by “streaming data access” in HDFS?

The answer is very easy to interpret and understand. Please find below answer and underlined is important lines from the answer.

Since Data Stored Sequentials and Read Sequentially. Cost of Random Reads, Time to locate Data Node is minimal.

Another beautiful explanation from Google Research Paper - Google File System

Please feel free to add your comments.
Happy Learning!!!

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