{"id":557,"date":"2022-03-14T05:35:39","date_gmt":"2022-03-14T05:35:39","guid":{"rendered":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/aws-certified-database-specialty-question112\/"},"modified":"2022-03-14T05:35:39","modified_gmt":"2022-03-14T05:35:39","slug":"aws-certified-database-specialty-question112","status":"publish","type":"post","link":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/aws-certified-database-specialty-question112\/","title":{"rendered":"AWS Certified Database &#8211; Specialty &#8211; Question112"},"content":{"rendered":"<div class=\"question\">A large retail company recently migrated its three-tier ecommerce applications to AWS. The company&#039;s backend database is hosted on Amazon Aurora PostgreSQL. During peak times, users complain about longer page load times. A database specialist reviewed Amazon RDS Performance Insights and found a spike in IO:XactSync wait events. The SQL attached to the wait events are all single INSERT statements.<br \/>\nHow should this issue be resolved?<br \/><strong><br \/>A.<\/strong> Modify the application to commit transactions in batches<br \/><strong>B.<\/strong> Add a new Aurora Replica to the Aurora DB cluster.<br \/><strong>C.<\/strong> Add an Amazon ElastiCache for Redis cluster and change the application to write through.<br \/><strong>D.<\/strong> Change the Aurora DB cluster storage to Provisioned IOPS (PIOPS).<\/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>B<\/strong><\/div>\n<p><\/strong><\/span> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>A large retail company recently migrated its three-tier ecommerce applications to AWS. The company&#039;s backend database is hosted on Amazon Aurora PostgreSQL. During peak times, users complain about longer page load times. A database specialist reviewed Amazon RDS Performance Insights and found a spike in IO:XactSync wait events. The SQL attached to the wait events [&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":[3,115],"class_list":["post-557","post","type-post","status-publish","format-standard","hentry","category-aws-certified-database-specialty","tag-aws-certified-database-specialty","tag-question-112"],"_links":{"self":[{"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/posts\/557","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=557"}],"version-history":[{"count":0,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/posts\/557\/revisions"}],"wp:attachment":[{"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/media?parent=557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/categories?post=557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exampracticetests.com\/aws\/Database-Specialty\/wp-json\/wp\/v2\/tags?post=557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}