# You are working on a piece of software that has to aggregate multiple log files into a single stream. # Each log line starts with a timestamp. The output needs to have the lines sorted by timestamp. # You are running under memory pressure on the server, so you need to use up as little memory as possible. # # Write a function that takes as input a list of strings (paths to the log files you want to aggregate) # and prints the aggregated sorted contents line by line. # Example: # file: 1.log # contents: # Sep 22 07:35:02 log 1 msg 1 # Sep 22 07:35:03 log 1 msg 2 # Sep 22 07:35:03 log 1 msg 3 # Sep 22 07:35:15 log 1 msg 4 # Sep 22 07:35:15 log 1 msg 5 # Sep 22 07:35:15 log 1 msg 6 # # file: 2.log # contents: # Sep 22 07:34:43 log 2 msg 1 # Sep 22 07:35:16 log 2 msg 2 # Sep 22 07:36:15 log 2 msg 3 # Sep 22 07:38:26 log 2 msg 4 #3 # file: 3.log # contents: # Sep 22 06:53:48 log 3 msg 1 # Sep 22 07:23:27 log 3 msg 2 # Sep 22 07:33:27 log 3 msg 3 # Sep 22 07:34:27 log 3 msg 4 # Sep 22 07:35:28 log 3 msg 5 # # Results in: 2# # Sep 22 06:53:48 log 3 msg 1 # Sep 22 07:23:27 log 3 msg 2 # Sep 22 07:33:27 log 3 msg 3 # Sep 22 07:34:27 log 3 msg 4 # Sep 22 07:34:43 log 2 msg 1 # Sep 22 07:35:02 log 1 msg 1 # Sep 22 07:35:03 log 1 msg 2 # Sep 22 07:35:03 log 1 msg 3 # Sen 22 07:35:15 log 1 msg 4
# You are working on a piece of software that has to aggregate multiple log files into a single stream. # Each log line starts with a timestamp. The output needs to have the lines sorted by timestamp. # You are running under memory pressure on the server, so you need to use up as little memory as possible. # # Write a function that takes as input a list of strings (paths to the log files you want to aggregate) # and prints the aggregated sorted contents line by line. # Example: # file: 1.log # contents: # Sep 22 07:35:02 log 1 msg 1 # Sep 22 07:35:03 log 1 msg 2 # Sep 22 07:35:03 log 1 msg 3 # Sep 22 07:35:15 log 1 msg 4 # Sep 22 07:35:15 log 1 msg 5 # Sep 22 07:35:15 log 1 msg 6 # # file: 2.log # contents: # Sep 22 07:34:43 log 2 msg 1 # Sep 22 07:35:16 log 2 msg 2 # Sep 22 07:36:15 log 2 msg 3 # Sep 22 07:38:26 log 2 msg 4 #3 # file: 3.log # contents: # Sep 22 06:53:48 log 3 msg 1 # Sep 22 07:23:27 log 3 msg 2 # Sep 22 07:33:27 log 3 msg 3 # Sep 22 07:34:27 log 3 msg 4 # Sep 22 07:35:28 log 3 msg 5 # # Results in: 2# # Sep 22 06:53:48 log 3 msg 1 # Sep 22 07:23:27 log 3 msg 2 # Sep 22 07:33:27 log 3 msg 3 # Sep 22 07:34:27 log 3 msg 4 # Sep 22 07:34:43 log 2 msg 1 # Sep 22 07:35:02 log 1 msg 1 # Sep 22 07:35:03 log 1 msg 2 # Sep 22 07:35:03 log 1 msg 3 # Sen 22 07:35:15 log 1 msg 4
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:# You are working on a piece of software that has to aggregate multiple log files into a single stream.
# Each log line starts with a timestamp. The output needs to have the lines sorted by timestamp.
# You are running under memory pressure on the server, so you need to use up as little memory as possible.
# Write a function that takes as input a list of strings (paths to the log files you want to aggregate)
# and prints the aggregated sorted contents line by line.
23
# Example:
# file: 1.log
# contents:
# Sep 22 07:35:02 log 1 msg 1
# Sep 22 07:35:03 log 1 msg 2
# Sep 22 07:35:03 log 1 msg 3
# Sep 22 07:35:15 log 1 msg 4
# Sep 22 07:35:15 log 1 msg 5
# Sep 22 07:35:15 log 1 msg 6
# file: 2.log
# contents:
# Sep 22 07:34:43 log 2 msg 1
# Sep 22 07:35:16 log 2 msg 2
# Sep 22 07:36:15 log 2 msg 3
# Sep 22 07:38:26 log 2 msg 4
#
# file: 3.log
# contents:
# Sep 22 06:53:48 log 3 msg 1
# Sep 22 07:23:27 log 3 msg 2
# Sep 22 07:33:27 log 3 msg 3
# Sep 22 07:34:27 log 3 msg 4
# Sep 22 07:35:28 log 3 msg 5
#
# Results in:
# Sep 22 06:53:48 log 3 msg 1
# Sep 22 07:23:27 log 3 msg 2
# Sep 22 07:33:27 log 3 msg 3
# Sep 22 07:34:27 log 3 msg 4
# Sep 22 07:34:43 log 2 msg 1
# Sep 22 07:35:02 log 1 msg 1
# Sep 22 07:35:03 log 1 msg 2
# Sep 22 07:35:03 log 1 msg 3
# Sep 22 07:35:15 log 1 msg 4
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