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S3 TE note (Glacier (3 ways to upload (CLI, API, life cycle), archival…
S3 TE note
Glacier
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retrival time -hour
but if you pay for expedited retrieval, can take 1 to 5 minutes
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object lifecycle ?
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For example : if you are uploading periodic logs to your bucket, your application might need these logs for a week or a month after creation, and after that you might want to delete them.
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After that, you might not need real-time access to these objects, but your organization might require you to archive them for a longer period and then optionally delete them.
Digital media archives, financial and healthcare records, raw genomics sequence data, long-term database backups, and data that must be retained for regulatory compliance are some of the kinds of objects that you might upload to Amazon S3 primarily for archival purposes
1.s3 security
3 type
ACL
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when request arrive on S3, it check the ACL and see if ACL grant the Access
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IAM policies
IAM policies: With IAM policies, you can only grant users within your own AWS account permission to access your Amazon S3 resources.
bucket policie
Policies can be attached to users, groups, or Amazon S3 buckets, enabling centralized management of permissions.
With bucket policies, you can grant users within your AWS account or another AWS account access to your Amazon S3 resources.
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