AWS Amazon Keyspaces (for Apache Cassandra) Service Limits
23 quotas for Amazon Keyspaces (for Apache Cassandra). 17 can be increased.
| Quota | Default | Status |
|---|---|---|
Max amount of direct child UDTs per UDT Max amount of direct child UDTs per UDT general | 10 count | Adjustable |
Table-level write throughput quota Table-level write throughput quota general | 40,000 count | Adjustable |
Max clustering key size Max clustering key size storage | 850 Bytes | Fixed |
Tables per region Tables per region general | 256 count | Adjustable |
Max number of UDTs per table Max number of UDTs per table general | 50 count | Adjustable |
Max Schema size Max Schema size storage | 358,400 Bytes | Fixed |
Max write capacity for a table using change-data-capture (CDC) Max write capacity for a table using change-data-capture (CDC) general | 40,000 count | Adjustable |
Max number of UDTs per AWS Region Max number of UDTs per AWS Region general | 256 count | Adjustable |
Account-level read throughput quota (Provisioned mode) Account-level read throughput quota (Provisioned mode) general | 80,000 count | Adjustable |
Concurrent DDL operations Concurrent DDL operations compute | 50 count | Fixed |
Keyspaces per region Keyspaces per region general | 256 count | Adjustable |
Max UDT name length Max UDT name length general | 48 count | Adjustable |
Max concurrent table restores using Point-in-time Recovery (PITR) Max concurrent table restores using Point-in-time Recovery (PITR) compute | 4 count | Adjustable |
Max row size Max row size storage | 1 Megabytes | Fixed |
Max amount of data restored using add Region operations Max amount of data restored using add Region operations general | 10 Terabytes | Adjustable |
Account-level write throughput quota (Provisioned mode) Account-level write throughput quota (Provisioned mode) general | 80,000 count | Adjustable |
Max amount of data restored using Point-in-time Recovery (PITR) Max amount of data restored using Point-in-time Recovery (PITR) general | 5 Terabytes | Adjustable |
Max number of tables per UDT Max number of tables per UDT general | 100 count | Adjustable |
Max amount of direct parent UDTs per UDT Max amount of direct parent UDTs per UDT general | 10 count | Adjustable |
Max subqueries per IN SELECT statement Max subqueries per IN SELECT statement general | 100 count | Adjustable |
Table-level read throughput quota Table-level read throughput quota general | 40,000 count | Adjustable |
Max partition key size Max partition key size storage | 2,048 Bytes | Fixed |
Max static data per logical partition Max static data per logical partition general | 1 Megabytes | Fixed |
How to Request a Quota Increase
- 1Open the AWS Service Quotas console.
- 2Select Amazon Keyspaces (for Apache Cassandra) from the service list.
- 3Find the quota and click "Request increase".
- 4Enter the desired value and submit. Most increases are approved within a few hours.
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