HybridDB for PostgreSQL instances are categorized into the following type families:
High-performance: The name of this type family starts with
gpdb.group.segsdx. This type family features a better I/O capability that secures higher performance.
High-capacity: The name of this type family starts with
gpdb.group.seghdx. This type family features a larger and more affordable space to meet higher storage demands.
When selecting a type family, you only need to take the storage space and computing capability into consideration.
Besides, HybridDB for PostgreSQL supports OSS-based external table extensions and data compression in external storage through gzip. You can store data that is not required for real-time computation in an external storage to further reduce storage costs.
The high-performance instances offer the following types:
|gpdb.group.segsdx1||1 Core||8 GB||80 GB SSD|
|gpdb.group.segsdx2||2 Cores||16 GB||160 GB SSD|
|gpdb.group.segsdx16||16 Cores||128 GB||1.28 TB SSD|
The high-capacity instances offer the following types:
|gpdb.group.seghdx4||4 Cores||32 GB||2 TB HDD|
|gpdb.group.seghdx36||36 Cores||288 GB||18 TB HDD|