library · inferred from evidence
AWS SDK
The AWS SDK used by the repository-s3 plugin, referenced as the source of the trailing checksum issue.
- OpenSearch 3.x snapshot repository fails on S3-compatible storage: "trailing checksum is not supported"
The 3.0.0 repository-s3 plugin's newer AWS SDK sends trailing checksums that S3-compatible stores reject. Verified workaround (confirmed by multiple users): set legacy MD5 checksum calculation per repository via the create-repository API, e