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System resources can be added/deleted while system is “LIVE”, enabling the system to be re-configured without downtime. This allows customers to manage workload performance and costs effectively.
Balancing data processing load among transaction servers enables balanced system operation of all the scaled-out servers.
Data to be saved in transaction servers can be updated at once, as one transaction.
ACID transaction functionality ensures consistency.
Transaction servers save the data by using the high-reliability memory cache which adopts in-memory database technology.
SQL support (compliant with the SQL-89 standard).
Data stored in storage servers can be accessed directly from Hadoop.
Settings on user authentication and access privileges equivalent to those for relational databases are available.
Data in the transaction server and storage server are stored in multiple servers for improved reliability.
When a failure occurs in the transaction server, backup is automatically promoted to master, enabling business continuity without service interruption.