2 ms·
There were some comments in the early days that the Multi-AZ magic for classic RDS was just drbd on top of EBS. Aurora is a completely different approach where
by aeyes 5y ago
There were some comments in the early days that the Multi-AZ magic for classic RDS was just drbd on top of EBS.
Aurora is a completely different approach where the RDBMS code is modified to directly interface with EBS instead of going through a traditional OS filesystem layer.
- rrdharan 5y agoAmazon published a paper describing how Aurora works: https://www.allthingsdistributed.com/files/p1041-verbitski.pdf https://www.allthingsdistributed.com/files/p1041-verbitski.p...
- redis_mlc 5y ago> There were some comments in the early days that the Multi-AZ magic for classic RDS was just drbd on top of EBS. If this was true, then you could support multiple database vendors in a generic way, and gradually add the supported products, without knowing the intricacies of each product's replication details. Hmm. :)