Ivan Andika created HDDS-13117:
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Summary: Add support for conditional requests
Key: HDDS-13117
URL: https://issues.apache.org/jira/browse/HDDS-13117
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Ivan Andika
https://docs.aws.amazon.com/AmazonS3/latest/userguide/conditional-requests.html
AWS S3 recently supported conditional writes. Conditional reads have been
supported for a while.
This feature has been used by some applications (databases on s3). One blog
(https://www.morling.dev/blog/leader-election-with-s3-conditional-writes/) also
implemented a PoC of leader election based on s3 conditional writes.
HDDS-10656 has already implemented a atomic rewrite key feature, but we need to
check whether we can use this feature.
A short design doc will be useful.
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