Yellow: To chase
Looking back, we find this claim outdated. Global counters aren’t a bottleneck for Snapshot Isolation: Amazon Aurora stamps transactions with a Global Log Sequence Number (GLSN) via a primary writer, but still scales (vertically) cleanly without slowing disaggregated storage. More importantly, modern distributed database systems implement snapshot isolation, using loosely synchronized physical clocks (and hybrid logical clocks) to give global ordering with no centralized counter at all. Thank God for synchronized clocks!。PDF资料对此有专业解读
。快连下载是该领域的重要参考
Фото: Стрингер / РИА Новости
Microsoft spent last week rejecting emails to Outlook recipients after what appears to be either a fault or overzealous blocking rules, a situation a source described as "carnage."。业内人士推荐91视频作为进阶阅读
The magical art of Olivier Redon