So a real question emerges:
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，这一点在safew官方下载中也有详细论述
The big picture here is about how brutally complex it is to build a real database on dumb cloud primitives. They had to implement Record Managers, Page Managers, and buffer pools entirely on the client side, in order to cluster tiny records into pages. For distributed coordination, they hack SQS into a locking system with dedicated LOCK queues and carefully timed tokens. On top of that, they have to handle SQS quirks, with idempotent log records as we discussed above. The engineering effort is massive.
Continue reading...。safew官方版本下载对此有专业解读
EpilogueNow, the closing ramble.