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Inserts, Updates, Deletes and FindsINSERT UPDATE DELETE FIND ACCOUNTS - inserts, updates, deletes and finds accounts in 1:1 reads:writes proportion. What it means is that for every 3 finds by id, there is 1 account insert, 1 account update and 1 account delete by id, on average. We are testing mixed workloads here, simultaneous reads & writes; running it with the wanted rate of 30 000 QPS:，推荐阅读纸飞机下载获取更多信息
卢伟冰谈存储涨价：预计涨到 2027 年底
Finally, to address the slow and weakly consistent S3 reads, the database leans on lock-free B-link trees. That lets readers keep moving while background checkpoints/updates by clients split or reorganize index pages. In B-link trees, each node points to its right sibling. If a checkpoint splits a page, readers just follow the pointer without blocking. Since update corruption is still a risk, a LOCK queue token ensures only one thread checkpoints a specific PU queue at a time. (I told you this is complicated.) The paper admits this is a serious bottleneck: hot-spot objects updated thousands of times per second simply can’t scale under this design.