{"id":1568,"date":"2019-08-06T09:00:34","date_gmt":"2019-08-06T09:00:34","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=1568"},"modified":"2020-05-02T05:40:19","modified_gmt":"2020-05-02T05:40:19","slug":"s3-lifecycle-policies","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/s3-lifecycle-policies\/","title":{"rendered":"Learning S3 Lifecycle Policies"},"content":{"rendered":"\n<p>A S3 lifecycle configuration is<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>a set of rules that define actions<\/li><li>Rules is applied to group of objects in S3.<\/li><li>an XML file, comprises a set of rules with predefined actions<\/li><li>S3 provides a set of API operations for managing lifecycle configuration on a bucket.<\/li><li>S3 stores the configuration as a lifecycle subresource that is attached to the bucket.<\/li><li>Configure the lifecycle by\n<ul>\n<li>Amazon S3 console<\/li>\n<\/ul>\n<ul>\n<li>the AWS SDK wrapper libraries<\/li>\n<\/ul>\n<\/li><li>two types of actions:\n<ul>\n<li>Transition actions\u2014Define when objects transition to another storage class.<\/li>\n<\/ul>\n<ul>\n<li>Expiration actions\u2014Define when objects expire. Amazon S3 deletes expired objects on your behalf.<\/li>\n<\/ul>\n<\/li><\/ul>\n\n\n\n<p>S3 supports following lifecycle transitions between storage classes using a lifecycle configuration:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>transition from the STANDARD storage class to any other storage class.<\/li><li>transition from any storage class to GLACIER or DEEP_ARCHIVE storage classes.<\/li><li>transition from STANDARD_IA storage class to INTELLIGENT_TIERING or ONEZONE_IA storage classes.<\/li><li>transition from INTELLIGENT_TIERING storage class to ONEZONE_IA storage class.<\/li><li>transition from GLACIER storage class to DEEP_ARCHIVE storage class.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"456\" height=\"400\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image009-456x400.png\" alt=\"\" class=\"wp-image-1569\" srcset=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image009-456x400.png 456w, https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image009.png 671w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/><\/figure>\n\n\n\n<p>Storage class transitions have following constraints:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>From STANDARD or STANDARD_IA storage class to INTELLIGENT_TIERING. following constraints apply:\n<ul>\n<li>For larger objects, there is a cost benefit for transitioning to INTELLIGENT_TIERING. Amazon S3 does not transition objects that are smaller than 128 KB to INTELLIGENT_TIERING storage class because it&#8217;s not cost effective.<\/li>\n<\/ul>\n<\/li><li>From STANDARD storage classes to STANDARD_IA or ONEZONE_IA. following constraints apply:\n<ul>\n<li>For larger objects, there is a cost benefit for transitioning to STANDARD_IA or ONEZONE_IA. Amazon S3 does not transition objects that are smaller than 128 KB to STANDARD_IA or ONEZONE_IA storage classes because it&#8217;s not cost effective.<\/li>\n<\/ul>\n<ul>\n<li>Objects must be stored at least 30 days in current storage class before you can transition them to STANDARD_IA or ONEZONE_IA. For example, you cannot create a lifecycle rule to transition objects to STANDARD_IA storage class one day after you create them.<\/li>\n<\/ul>\n<ul>\n<li>Amazon S3 doesn&#8217;t transition objects within first 30 days because newer objects are often accessed more frequently or deleted sooner than is suitable for STANDARD_IA or ONEZONE_IA storage.<\/li>\n<\/ul>\n<ul>\n<li>If you are transitioning noncurrent objects (in versioned buckets), you can transition only objects that are at least 30 days noncurrent to STANDARD_IA or ONEZONE_IA storage.<\/li>\n<\/ul>\n<\/li><li>From STANDARD_IA storage class to ONEZONE_IA. following constraints apply:\n<ul>\n<li>Objects must be stored at least 30 days in STANDARD_IA storage class before you can transition them to ONEZONE_IA class.<\/li>\n<\/ul>\n<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"429\" height=\"400\" src=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image010-429x400.png\" alt=\"\" class=\"wp-image-1570\" srcset=\"https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image010-429x400.png 429w, https:\/\/www.testpreptraining.ai\/tutorial\/wp-content\/uploads\/2019\/08\/image010.png 672w\" sizes=\"auto, (max-width: 429px) 100vw, 429px\" \/><\/figure>\n\n\n\n<p>Various metadata associated in XML, are<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>LifecycleConfiguration \u2013 It defines a rule that applies to an object with a key.<\/li><li>ID\u2013 ID element uniquely identifies a rule. A lifecycle configuration can have up to 1000 rules.<\/li><li>Prefix \u2013 Prefix are Object keys.<\/li><li>Status \u2013 Enabled or Disabled.<\/li><li>Transition \u2013 It is one of lifecycle actions of S3, specifying movement objects to another storage class.<\/li><li>Expiration \u2013 It specifies when objects expire.\n<ul>\n<li>In a non-versioned bucket, expiration permanently removes object.<\/li>\n<\/ul>\n<ul>\n<li>In a versioned bucket, S3 will not take any action if there are one or more object versions and delete marker is current version.<\/li>\n<\/ul>\n<ul>\n<li>It applies only to current version.<\/li>\n<\/ul>\n<\/li><\/ul>\n\n\n\n<p><strong>Preparing for <a href=\"https:\/\/www.testpreptraining.ai\/aws-certified-sysops-administrator-associate-practice-exam\">AWS Certified SysOps Administrator &#8211; Associate<\/a>, try hundreds of practice tests with expert guidance. Take Test Now!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A S3 lifecycle configuration is a set of rules that define actions Rules is applied to group of objects in S3. an XML file, comprises a set of rules with predefined actions S3 provides a set of API operations for managing lifecycle configuration on a bucket. S3 stores the configuration as a lifecycle subresource that&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":383,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[203,204,205],"class_list":["post-1568","page","type-page","status-publish","hentry","tag-a-s3-lifecycle","tag-as3","tag-s3-lifecycle-policies"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Learning S3 Lifecycle Policies - Testprep Training Tutorials<\/title>\n<meta name=\"description\" content=\"Learn S3 Lifecycle with expert tutorial and hundreds of practice test. 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