HDFS Architecture

This Trendytech Big Data tutorial helps you to understand Big Data in HDFS & It's underlying architecture.

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[bigdatatrendy]

Sir, it is a good explanation with proper slides. If Name node got failed, who will identify that its got failed and how do we recover and whats the time to recover it? please reply, thank you

[nikhilranjan]

Sumit sir ur so nice, such good information ur sharing

[kamranahmed]

Thank u for the great video. one small request, can we get the pdf file from which you were explaining.... Thanks in advance.

[asheetsinvhal]

Great content..Thanks...hope Byju's doesnt buy it (and then spoil it.)

[prabhmeetsingh]

Sir, great content. Have one question. I understand that to maintain the replication factor data was copied to 3 available DN's. Now what will happen if DN1 is recovered? Now we will have 4 copies of blocks or blocks will be deleted?

[RajSingh-hosq]

Video will be great if you remove background music

[rakeshreddy]

doubt: what happens the namenode goes down..?..and how does hadoop know the namenode went down...