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Databases (RDS: OLTP (Aurora : Oracle Replacement maybe (2 copies in each…
Databases
RDS: OLTP
MariaDB
Aurora : Oracle Replacement maybe
2 copies in each zone minimum 3 zones makes 6 copies Self Healing
Oracle
Postgre SQL
MY SQL
SQL
if multi AZ is turned on: DB is replicated to another Zone: automatic Failover
DynomoDB: No SQL
Push button scaling. it is not easy in RDS
SDD is used
Spread across 3 DCs
Eventual Consistency -Default. but you can apply strong consistency
REdshift: OLAP
Single Node configuration 160 GB Storage
Multi node
Leader Node manages all the client Connections
Compute node max 128 node
Elasticache
Redis
memCached
Read Replica of RDS can increase the performance (imit is 5)