3 ms·

Because AWS gets to choose when the actual deletes happen. The metadata is marked as object deleted but AWS can process the delete off peak. It also avoids the

• yencabulator 2y ago
  An explicit delete operation can mark metadata the same way. The real difference is likely more along the lines of LSM compaction, with expiry they likely use a moral equivalent of https://github.com/facebook/rocksdb/wiki/Compaction-Filter https://github.com/facebook/rocksdb/wiki/Compaction-Filter to actually do the deletion.
  • bushbaba 2y ago
    That’s called a delete marker in s3. Less IO than a true delete but also still can lead to high qps to s3 api server. https://docs.aws.amazon.com/AmazonS3/latest/userguide/DeleteMarker.html https://docs.aws.amazon.com/AmazonS3/latest/userguide/Delete...