The other one is around those like more interactive storage requests. One is the sharp edges that are different between this single zone bucket and the rest of S3, so it's polish, and there's a lot of work to do. What's next for S3 Express? Warfield explained that "a lot of the customer asks really break into two categories. They now allow users to specify "an entire bucket, prefix, suffix, creation date, or storage class" in order to move S3 objects in a single step, making it easier to do this kind of data transfer. He also hinted that we will see more such convenience features in future. Warfield points us towards a "less glamorous" announcement at re:Invent concerning AWS Batch operations. The pattern then is that developers might transfer data into S3 Express for a job, perform that job, and then move it out. "So we expect workloads to be relatively short-lived, and the up to 50 percent saving that we see on the request side are translating into up to 80 percent savings on end-to-end workload costs because jobs finish faster, you have less compute, fewer GPU hours." The key thing, Warfield explained, is that with S3 Express the request pricing is around 50 percent lower for a lot of workloads, but the storage capacity costs more. Cost is important as well as performance, so what guidance is there for customers who want to optimize their value? S3 Express is more expensive than standard S3, though it can be used as an alternative to some of the other storage options that AWS offers. All of those things now support Express at launch." On top of the CRT we've delivered integrations into S3 for Hadoop, we launched a PyTorch plugin, we launched MountPoint, which is a FUSE connector that gives you a file connection into S3. "We launched this thing called the CRT, the Common Runtime, which is a native code library that embeds all of our best practices for performance, so it automatically parallelizes transfers. Warfield also explained that to get the best out of S3 and Express, a lot of work had been done in the client tools. We brought in a whole bunch of formal verification tools at that level to get correctness, because it's pretty hair-raising code to be replacing, so that trend and the skills we've built around Rust we've carried into our work on Express." While Warfield could not confirm the details, he did reveal that the teams have "reinvented a lot of what we'd done there and done a ton of work in Rust … we published a paper about rewriting ShardStore, which is our on-disk layout, completely in Rust. The AI everything show continues at AWS: Generate SQL from text, vector search, and more.You're so worried about AWS reliability, the cloud giant now lets you simulate major outages.AWS exec: 'Our understanding of open source has started to change'.AWS accuses Microsoft of clipping customers' cloud freedoms.If S3 Express is a reimplementation of the S3 back-end in Rust, that would explain both its performance boost and why it is different and less comprehensive than standard S3. The new storage class is SSD-backed, presumably doesn't use Java anywhere, and doesn't stripe your data across as many hosts." This indicates only one such sub-request has to be slow to slow your request down. Another who "used to work on S3" argued that standard S3 has "slow first byte latency" because of use of hard drives rather than SSDs, Java with garbage collection on the request path, and that "to reduce storage costs, objects are erasure-coded 'wide', which means many hosts are involved in servicing a request. Finally launched after years in the making," wrote one. "This is the low latency S3 that is written in Rust. A discussion on Hacker News offers some background from former AWS engineers.
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