Enabling end-to-end checksums in Cloud Storage
At Google Cloud, we know that you count on us to maintain the durability and integrity of your data at all times, both at rest and in transit. And now we’re making it easier for developers to take advantage of native data integrity features in Cloud Storage, by enabling end-to-end checksumming by default in all the Cloud Storage SDKs.
Like in any disk-based storage system, bits can flip anywhere in their journey, from the application all the way down to the disk. Cloud Storage has always let clients provide a checksum of the object data being uploaded, and receive a checksum of the data being downloaded. Also since its inception, Cloud Storage stores a checksum for every object in its metadata, regardless of how the object was uploaded into Cloud Storage.
But until recently, ensuring end-to-end data integrity required extra work on the part of developers to calculate and provide...
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