Define output data format for result generated by reducer

Assignment Help Data Structure & Algorithms

Reference no: EM133954230

Assignment:

You are in need to perform MR computation on system log file where each record contains date/time stamp and IP address of the call originator. You are preparing the workflow for MR computation.

First of all, you need to bring the log file to HDFS. What DataInputFormat would you use, and what is hdfs command to move the file? Note, that a few options exist, name at least two possible answers.

In the context of the above Question,

You need to define output data format for the result generated by Reducer. You want to take the most suitable, but it depends on your final goal. Please indicate which one is most suitable in each of the following 3 cases:

Standard, default format - ?
Result of MR computation will be pushed to relational database - ?
Result of MR computation will be pushed to other MR job - ?

Reference no: EM133954230

Questions Cloud

Explain why hashing or message digest is important : Explain why hashing or message digest is important. Describe what a collision is and how it affects hashing.

What is the decryption function : What type of cipher is this? What is the decryption function, and the decrypted/recovered plaintext.

Are there any risks associated with moving into the cloud : Are there any risks associated with moving into the cloud? Are these risks more with each cloud market segment {-Saas. PaaS and IaaS)?

Article on installation-deployment of windows server 2012 : Article (below) on installation and deployment of Windows Server 2012 and list 5 concerns that could result in vulnerabilities during installation.

Define output data format for result generated by reducer : You need to define output data format for the result generated by Reducer. You want to take the most suitable, but it depends on your final goal.

Concept of transparent encryption in hadoop hdfs : Explain the concept of Transparent Encryption in Hadoop HDFS. Comment the solution components and workflow implemented to encrypt/decrypt data.

Describe the hive component of the hadoop ecosystem : Describe the Hive component of the Hadoop Ecosystem. Focus on its role and most suitable use cases in Big Data processing.

Write a brief description of a live dvd security toolkit : Use the Internet to search for live DVD security toolkit. Read a few web sites to learn about this class of tools and their capabilities.

Why it is considered as a catalyst for business growth : Discuss why IT is considered as a catalyst for business growth?

User Account

All Pages