이중화 모드에 대해 ~ 정리를 해보자아~~~ While registering the secondary system, you need to decide which replication mode to use. SAP HANA offers different modes for the replication of the redo log: Replication modesLog Replication ModeDescription Synchronous in-memory (SYNCMEM) The primary system commits the transaction after it gets a reply that the log was received by the secondary system and stored in memo..