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This topic contains 1 reply, has 2 voices, and was last updated by  dipankar000 1 year, 12 months ago.

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  • #1388 Reply

    ravishankarbss
    Participant

    Question: What will be Replication Factor to complete MapReduce job.if we have disk size per datanode is 20 and no. of nodes you have 40?

    Answer: We have 80 TB of data to store and to run MapReduce on this amount of data. Configuration of datanodes.
    Simple formula: disk size= total amount of data*R.F/Total no. of nodes
    disk size =20, No. of nodes40, Total amount of data=80TB
    Formula rewritten as R.F = disk size * Total no. of nodes/total amount of data
    = 20 * 40/80
    =10
    R.F. = 10

    #1397 Reply

    dipankar000
    Participant

    How did you calculate 80 GB of data?

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Reply To: Assignment1 – Ravishankar B S
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