AWS Amazon DynamoDB Service Limits
12 quotas for Amazon DynamoDB. 4 can be increased.
| Quota | Default | Status |
|---|---|---|
Table size There is no practical limit on table size. storage | Unlimited | Fixed |
Item sizeCommon Maximum size of a single DynamoDB item. storage | 400 KB | Fixed |
Read capacity units (on-demand)Common Maximum read capacity units per table in on-demand mode. throughput | 40,000 RCU | Adjustable |
Write capacity units (on-demand)Common Maximum write capacity units per table in on-demand mode. throughput | 40,000 WCU | Adjustable |
Tables per region Maximum number of tables per region. configuration | 2,500 count | Adjustable |
Global secondary indexes per table Maximum number of GSIs per table. configuration | 20 count | Adjustable |
Local secondary indexes per table Maximum number of LSIs per table. Must be created at table creation time. configuration | 5 count | Fixed |
Partition key length Maximum length of a partition key value. storage | 2,048 bytes | Fixed |
Sort key length Maximum length of a sort key value. storage | 1,024 bytes | Fixed |
BatchWriteItem itemsCommon Maximum number of items per BatchWriteItem request. throughput | 25 count | Fixed |
BatchGetItem items Maximum number of items per BatchGetItem request. throughput | 100 count | Fixed |
TransactWriteItems items Maximum number of items per TransactWriteItems request. throughput | 100 count | Fixed |
How to Request a Quota Increase
- 1Open the AWS Service Quotas console.
- 2Select Amazon DynamoDB 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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