Example  1. Monitor error logs using Log4j to debug and fix problems.     Descr

Example 
1. Monitor error logs using Log4j to debug and fix problems. 
  
Description: A logging framework is important for any Java/J2EE based application. By changing the configuration, you can easily write your logs to different places. You can write your Java application logs to a database, files on the disk, a log management system, a console, Syslog or possibly other places in the network without changing your application code
  
Source: https://stackify.com/log4j-guide-dotnet-logging/
 My requirement: 
1.Performing transformations over the data using spark and AWS Elastics Map Reduce(EMR) according to the business requirement
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2.Automated Oozie workflow upon EMR Cluster spinup to ETL Brokerage Data to Hive/Data Lake
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3.Job automation with Ctrl-M to spin up EMR Cluster when Mainframe Data file landed on-prem
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4.Utilized Atlassian Bitbucket and Bamboo for Code repository, reviews, builds, and deployments to AWS
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5.Troposphere and CloudFormation template for handling S3 Bucket’s and EMR Cluster spinup’s
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6.Applying security policies using AWS IAM(Identity and Access Management) to control access to the data in cloud
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7.Utilized Splunk to pick up logs from EMR/CloudWatch for email alerts on Brokerage Data’s ETL status
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8.Elevating code into the development, test, and production environments on schedule. Providing follow up Production support. Submitting change control requests and documents
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9.Coordinating with Data tier for system integration and end-to-end development
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10.Created Performance Testing program in Python Spark to compare between two big data result sets
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11.Working with multiple Data analytics teams to provide enriched data to them so that it will be used for further analysis and reporting
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12.Tracking code quality through SonarQube
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13.Continuous Integration with Bamboo, Jenkins, and Maven
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14.Monitoring and improvising the end-user experience in using query tools
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1. Monitor error logs using Log4j to debug and fix problems. 
  
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