Mongo write and read concerns, akin to SQL transaction isolation levels: https://www.mongodb.com/docs/manual/core/causal-consistency-read-write-concerns/
Sync/async separation
，更多细节参见91视频
Specifically designed with reconstruction in mind.
aop_config_a init_boot_b oplusstanvbk_b uefi_b
新希望的经验是，“一高于、两尊重、三传播”。