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S3 is strongly consistent. https://aws.amazon.com/s3/consistency/ https://aws.amazon.com/s3/consistency/ Which of Google's nosql db provides strong consistency

• felixhuttmann 6y ago
  S3 is newly strongly consistent within a single region since last reinvent or so (google cloud storage has been strongly consistent for much longer). However, the cross-region replication for s3 is based on 'copying' [1] so presumably async and not strongly consistent. GCP datastore and firestore are strongly consistent nosql databases that are available in multi-region configurations [2]. [1] https://docs.aws.amazon.com/AmazonS3/latest/dev/replication.html https://docs.aws.amazon.com/AmazonS3/latest/dev/replication.... [2] https://cloud.google.com/datastore/docs/locations https://cloud.google.com/datastore/docs/locations
• frankchn 6y ago
  S3 became strongly consistent only recently (https://aws.amazon.com/blogs/aws/amazon-s3-update-strong-read-after-write-consistency/ https://aws.amazon.com/blogs/aws/amazon-s3-update-strong-rea...) while I think GCS and Azure Blob Storage has strong read-after-write consistency for a while now. In any case, Cloud Spanner provides strong consistency in multi-region deployments.
  • dijit 6y ago
    And GCP storage buckets has been built on top of spanner sine 2018- giving the same guarantees. If anything. AWS is playing catch up.