Technical Specifications

This section describes the technical specifications of GaussDB(DWS) in different versions.

**Table 1** GaussDB(DWS) technical specifications
Technical Specifications	Maximum Value of 8.0.x	Maximum Value of 8.1.0	Maximum Value of 8.1.1
Data capacity	10 PB	10 PB	20 PB
Number of cluster nodes	256	256	2048
Size of a single table	1 PB	1 PB	1 PB
Size of data in each row	1 GB	1 GB	1 GB
Size of a single column in each record	1 GB	1 GB	1 GB
Number of records in each table	2⁵⁵	2⁵⁵	2⁵⁵
Number of columns in each table	1600	1600	1600
Number of indexes in each table	Unlimited	Unlimited	Unlimited
Number of columns in the index of each table	32	32	32
Number of constraints in each table	Unlimited	Unlimited	Unlimited
Number of concurrent connections	60 for analytical long transactions; 5,000 for short transactions	60 for analytical long transactions; 5,000 for short transactions	80 for analytical long transactions; 5,000 for short transactions
Number of partitions in a partitioned table	32,768	32768	32768
Size of each partition in a partitioned table	1 PB	1 PB	1 PB
Number of records in each partition in a partitioned table	2⁵⁵	2⁵⁵	2⁵⁵