Podcast
Questions and Answers
What programming model is used for network log analytics in the provided text?
What programming model is used for network log analytics in the provided text?
- Hadoop
- Java
- MapReduce (correct)
- Python
In which section is a case study on network log analytics discussed?
In which section is a case study on network log analytics discussed?
- Analysis 3
- Analysis 2
- Analysis 4
- Analysis 5 (correct)
What time is associated with a 'busy' status in Analysis 3?
What time is associated with a 'busy' status in Analysis 3?
- '14:05:02'
- '11:05:02' (correct)
- '10:05:02'
- '12:05:02'
How many network log entries are associated with 'sms' in Analysis 5?
How many network log entries are associated with 'sms' in Analysis 5?
Which analysis execution includes 'voice' as a status?
Which analysis execution includes 'voice' as a status?
At what time does the first entry with a 'failed' status appear in Analysis 2?
At what time does the first entry with a 'failed' status appear in Analysis 2?
What is the main aim of call log analytics discussed in the text?
What is the main aim of call log analytics discussed in the text?
Which type of data is considered for call log analytics in the example provided?
Which type of data is considered for call log analytics in the example provided?
How many instances does the dataset for call log analytics consist of according to the text?
How many instances does the dataset for call log analytics consist of according to the text?
What is NOT a feature included in the input file for call log analytics mentioned in the text?
What is NOT a feature included in the input file for call log analytics mentioned in the text?
Why do telecom operators use call log records according to the text?
Why do telecom operators use call log records according to the text?
What does the output_path refer to in the context of call log analytics discussed in the text?
What does the output_path refer to in the context of call log analytics discussed in the text?
What is the primary purpose of MapReduce in Hadoop?
What is the primary purpose of MapReduce in Hadoop?
What is the role of the NameNode in Hadoop's architecture?
What is the role of the NameNode in Hadoop's architecture?
In the context of call log analytics in Hadoop, what change to the MapReduce function would help retrieve the total calls made by a specific phone number?
In the context of call log analytics in Hadoop, what change to the MapReduce function would help retrieve the total calls made by a specific phone number?
What is the output of Analysis 3 in the given text?
What is the output of Analysis 3 in the given text?
What kind of data processing task does MapReduce focus on?
What kind of data processing task does MapReduce focus on?
What aspect of Hadoop does Analysis 4 relate to?
What aspect of Hadoop does Analysis 4 relate to?
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Study Notes
MapReduce Analysis
- Analysis 1 output: '123456789123411', '123456789123412', '123456789123414', '123456789123415', '123456789123416', '123456789123417', '123456789123418', '123456789123420'
- Analysis 2 output: '123456789123416', '123456789123417', '123456789123426', '123456789123427'
Exercises
- Describe the workflow of MapReduce in Hadoop
- Is the NameNode a fallback for Hadoop? Explain the significance of it with Hadoop's architecture
- For the case study of call log analytics in Hadoop, change the MapReduce function to retrieve the total calls made by a particular phone number
- Write a MapReduce program considering an input in a specific way to determine certain things
Call Log Analytics
- Call log analytics is discussed using MapReduce as an example
- The main aim is to analyze call log records using MapReduce programming model
- The input file considered for the call log analytics consists of features such as subscriber_phone_number, cell_id, timestamp, call_duration, phone_id, status, and type_of_call
- The dataset consists of 50 instances and is initially copied into the HDFS using a specific command
- Analysis 2 output: 98869821, 78859821, '5:05:02', 0, 2, 'failed', 'voice'
- Analysis 3 output: 98869812, 78859812, '11:05:02', 15, 1, 'busy', 'sms'
- Analysis 4 output: 98869801, 78859801, '12:05:02', 15, 1, 'busy', 'voice'
- Analysis 5 output: 98869841, 78859841, '12:05:02', 0, 2, 'failed', 'sms'
Network Log Analytics
- Network log analytics is discussed using MapReduce programming model
- The main aim is to analyze network log records using MapReduce programming model
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