{"id":514,"date":"2022-03-14T05:34:54","date_gmt":"2022-03-14T05:34:54","guid":{"rendered":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/aws-certified-database-specialty-question069\/"},"modified":"2022-03-14T05:34:54","modified_gmt":"2022-03-14T05:34:54","slug":"aws-certified-database-specialty-question069","status":"publish","type":"post","link":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/aws-certified-database-specialty-question069\/","title":{"rendered":"AWS Certified Database &#8211; Specialty &#8211; Question069"},"content":{"rendered":"<div class=\"question\">A company just migrated to Amazon Aurora PostgreSQL from an on-premises Oracle database. After the migration, the company discovered there is a period of time every day around 3:00 PM where the response time of the application is noticeably slower. The company has narrowed down the cause of this issue to the database and not the application.<br \/>\nWhich set of steps should the Database Specialist take to most efficiently find the problematic PostgreSQL query?<br \/><strong><br \/>A.<\/strong> Create an Amazon CloudWatch dashboard to show the number of connections, CPU usage, and disk space consumption. Watch these dashboards during the next slow period.<br \/><strong>B.<\/strong> Launch an Amazon EC2 instance, and install and configure an open-source PostgreSQL monitoring tool that will run reports based on the output error logs.<br \/><strong>C.<\/strong> Modify the logging database parameter to log all the queries related to locking in the database and then check the logs after the next slow period for this information.<br \/><strong>D.<\/strong> Enable Amazon RDS Performance Insights on the PostgreSQL database. Use the metrics to identify any queries that are related to spikes in the graph during the next slow period.<\/div>\n<p><\/p>\n<style> .hidden-div{ display:none } <\/style>\n<p>\t\t\t\t\t\t\t<button onclick=\"getElementById('hidden-div').style.display = 'block'\"> Show Answer <\/button> <button onclick=\"getElementById('hidden-div').style.display = 'none'\">Hide Answer<\/button><\/p>\n<div class=\"hidden-div\" id=\"hidden-div\"><span style=\"\"><\/p>\n<div class=\"answer\">Correct Answer: <strong>D<\/strong><\/div>\n<p><\/strong><\/span> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>A company just migrated to Amazon Aurora PostgreSQL from an on-premises Oracle database. After the migration, the company discovered there is a period of time every day around 3:00 PM where the response time of the application is noticeably slower. The company has narrowed down the cause of this issue to the database and not [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[3,283],"class_list":["post-514","post","type-post","status-publish","format-standard","hentry","category-aws-certified-database-specialty","tag-aws-certified-database-specialty","tag-question-069"],"_links":{"self":[{"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/posts\/514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/comments?post=514"}],"version-history":[{"count":0,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/posts\/514\/revisions"}],"wp:attachment":[{"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/media?parent=514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/categories?post=514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/tags?post=514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}