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A replication target that mints its own version ids (Wasabi, AWS S3) never answers to the source uuid, so every version-addressed mutation after the initial PUT failed forever: permanent version deletes answered NoSuchVersion every heal cycle, and tag / retention / legal-hold updates re-PUT the object, minting one more target version per update (rustfs/backlog#2340). Record the id the target assigned as a per-target ledger on the source version (replication-target-version-<arn>, written through the existing status writeback) and resolve every later mutation through it: version deletes DELETE the ledger id, metadata updates go through the metadata-only Object Lock and tagging APIs. Replicas written before the ledger existed are located by exact key and ETag, minus the candidates other generations of the key already claim through their own ledgers; an ambiguous remainder is refused with a backoff instead of guessed, since a wrong pick would destroy a live generation. A fresh write never consults content identity. NoSuchVersion on a version-addressed DELETE counts as purged. The fake target gains the Wasabi shape (404 NoSuchVersion on an unknown id, per-version Object Lock APIs) and the matrix covers the three mutation classes plus the same-bytes generation case.
RustFS ECStore - Erasure Coding Storage
High-performance erasure coding storage engine for RustFS distributed object storage
📖 Documentation
· 🐛 Bug Reports
· 💬 Discussions
📖 Overview
RustFS ECStore provides erasure coding storage capabilities for the RustFS distributed object storage system. For the complete RustFS experience, please visit the main RustFS repository.
✨ Features
- Reed-Solomon erasure coding implementation
- Configurable redundancy levels (N+K schemes)
- Automatic data healing and reconstruction
- Multi-drive support with intelligent placement
- Parallel encoding/decoding for performance
- Efficient disk space utilization
📚 Documentation
For comprehensive documentation, examples, and usage guides, please visit the main RustFS repository.
📄 License
This project is licensed under the Apache License 2.0 - see the LICENSE file for details.
Copyright 2024 RustFS Team
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
RustFS is a trademark of RustFS, Inc.
All other trademarks are the property of their respective owners.
Made with ❤️ by the RustFS Storage Team
