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@velomatt velomatt released this 08 May 17:17
v3.0.0
4a0c782
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Learn about vigilant mode.

Summary of changes:

  • In this release, we have made several significant updates to improve write performance and user experience.
    • We have revised our implementation of key-value store that translates key-value pairs in the request to block layer data written to device.
    • Specifically, we have replaced RocksDB with an internal implementation of a hash-based key-value translator and a hint-based logical block manager sensitive to optimal NVMe drive IO boundary to improve write performance.
  • For impacted users, these updates should provide a smoother, more intuitive experience with a noticeable improvement to write operation.
    • We have deprecated compaction and the requirement for written data to be compacted before reading to achieve maximum read performance is no longer needed.
    • We have introduced a new format tool called dss-formatter to format devices; similar to existing mkfs-blobfs tool which has now been deprecated.

Limitations

  • Persistent key listing is not yet implemented. This will result in MinIO failing to return object listing after a reboot.
  • Target startup time is presently longer than expected - and will be addressed in a future release.

What's Changed

  • Adding patch for hanging monitor status poller on behalf of SRCX by @nsarras in #47
  • Separating system and unit tests to enable smooth consumption for code coverage in build pipelines by @nsarras in #61
  • 56 pipeline integrate pytest code coverage in commitpr pipeline by @velomatt in #60
  • Refactor for code coverage by @velomatt in #72
  • Adding MINIO REST endpoint collector, refactoring main metrics.py to be more readable for multiple collectors by @nsarras in #69
  • Add mocks and unittests for Client/Server socket communication, add m… by @Chenliang-Eric-Li in #74
  • Add mid-layer system tests for datamover put with large/empty file, n… by @Chenliang-Eric-Li in #76
  • Integrating MINIO cluster UUID and capacity metrics by @nsarras in #80
  • Adding gen2 s3 benchmark changes by @nsarras in #78
  • Removing s3 benchmark binary by @nsarras in #85
  • Use latest sonar-scanner and build-wrapper on runtime by @velomatt in #86
  • Modifying logic to provide metrics per MINIO endpoint by @nsarras in #83
  • Adding support for badnwidth and iops collection in MINIO REST collector by @nsarras in #87
  • Modifying regex pattern to accurately retrieve MINIO endpoint based on pid by @nsarras in #89
  • Adding handling for if MINIO(s) go down by @nsarras in #92

New Contributors

Full Changelog: v2.0.0...v3.0.0

Contributors

nsarras, velomatt, and Chenliang-Eric-Li
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