
Amazon Kinesis Data Streams on-demand capacity mode now scales up to 10 GB/s write throughput and 20 GB/s read throughput per stream, a 5x increase, with best practices to avoid throttling scenarios.


<div><p>This article explains how Amazon Kinesis Data Streams on-demand capacity mode now scales up to 10 GB/s write throughput and 20 GB/s read throughput per stream, a 5x increase from previous limits.</p><ul><li>On-demand mode automatically scales without manual shard provisioning or management</li><li>Default provisioning starts with 4 shards (4 MB/s write, 8 MB/s read capacity)</li><li>Shards split when average utilization reaches 50% over 1 minute; scaling takes up to 15 minutes</li><li>Baseline throughput >4 MB/s requires pre-provisioning shards before converting to on-demand</li><li>Significant traffic spikes may cause throttling; switch to provisioned mode temporarily if needed</li><li>Single partition keys limited to 1 MB/s; poor partition key selection causes persistent throttling</li><li>Pay only for consumed throughput, not provisioned resources</li></ul><p>Kinesis on-demand mode suits unpredictable workloads and eliminates capacity management overhead, now supporting enterprise-scale streaming at 10 GB/s.</p></div>


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