Do real-world applications, and use cases live up to that guarantee? What Do Amazon S3 Users Say?īut, all of that is only based on Amazon’s claims. That said, when we put these numbers into perspective, S3 is offering extremely high levels of data protection.Īny one user storing fewer than 100 million objects can reasonably expect to lose absolutely no data through their lifetime. So, even using Amazon’s claimed metrics, S3 is definitely losing data, even permanently. You could break that down to roughly three lost objects every day. In fact, that’s enough to expect a thousand lost objects every year across the entire system. That’s more than enough to expect some data loss every year. But, if S3 has enough stuff stored, then data loss could become a regular object.Īccording to Jeff Bar (Vice President and Chief Evangelist at Amazon Web Services), S3 was storing 100 trillion objects in March of 2021. That’s a lot of objects, and a whole lot more than any one user or company would store there. How much data would S3 need to be holding to expect a single lost file each year? That comes out to 100,000,000,000 (100 billion) objects. That’s a bold claim, and it suggests that data loss on S3 is basically a non-issue.
AMAZON ANY DATA RECOVERY ARCHIVE
Specifically, the company claims that S3 Glacier Deep Archive (an option for S3 data integrity) is 99.999999999% reliable for an entire year.Īs Amazon puts it, “ If you store 10,000,000 objects with Amazon S3, you can on average expect to incur a loss of a single object once every 10,000 years.“ In the S3 FAQ, Amazon makes very strong statements about reliability and data protection. Keep reading! What Does Amazon Say About Amazon S3 Data Losses? So if you want to learn all about Amazon’s S3 data safety, then you’re in the right place. That said, S3 provides robust data protection that outperforms the vast majority of similar services, and the rate of data loss is exceedingly small for any user. Yes, Amazon S3 has permanently lost data.Īccording to Amazon’s own numbers, the service likely loses small amounts of data every single day. Here’s whether Amazon S3 has ever lost data permanently:
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