FUNDAMENTALS OF COMPUTER

SYSTEMS DEVELOPMENT ANALYSIS

APPLICATION DEVELOPMENT PROCESSES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which log contains information about setup & runtime behavior?

A	CLUSTER
B	PEGA
C	BIX
D	ALERTSECURITY

Explanation:

Detailed explanation-1: -The CLUSTER log contains information about the setup and run-time behavior of the cluster.

Detailed explanation-2: -A cluster generates several types of log files, including: Step logs-These logs are generated by the Amazon EMR service and contain information about the cluster and the results of each step. The log files are stored in /mnt/var/log/hadoop/steps/ directory on the primary node.

Detailed explanation-3: -There are many types of logs written to the primary node. Amazon EMR writes step, bootstrap action, and instance state logs. Apache Hadoop writes logs to report the processing of jobs, tasks, and task attempts. Hadoop also records logs of its daemons.

Detailed explanation-4: -What is a log file? Log files are the primary data source for network observability. A log file is a computer-generated data file that contains information about usage patterns, activities, and operations within an operating system, application, server or another device.

There is 1 question to complete.