DBA
发布时间：2013-04-18 17:56:55
Contrasting the SMP/UMA and NUMA architecturesThe SMP/UMA architecture The SMP, or UMA architecture, simplifiedWhen the PC world first got multiple processors, they were all arranged with equal access to all of the memory in the system. This is called Symmetric Multi-processing (SM.........【阅读全文】
lywaterman2013-07-17 00:05
请教一个问题，我遇到过这么一种情况，我的mongodb版本是2.2.3，在阿里云上部署，有两次， 我关闭了mongodb，正常关闭的，然后重启后查询发现，数据库里面的数据回滚到了几天前，我赶紧关闭服务器，然后尝试着执行了repair的操作，再重启，一切恢复正常，但是我一直没有理解这是为什么，请问你有遇到这种情况啊，能帮我分析下可能的原因吗？
