When you create or update a table, you can configure the provisioned throughput capacity using the read capacity unit for read operations. As your application data and access requirements change, you can increase or decrease your provisioned throughput by updating the read capacity unit.
You can use eventually consistent reads and not strongly consistent reads. For Amazon DynamoDB Connector, the read capacity unit represents the number of reads per second of items up to 8 KB in size per second. For example, if you specify 10 read capacity units, you are requesting a throughput of 10 eventually consistent reads per second of 8 KB for that table.
To modify the read capacity unit, specify a percentage increment of the read capacity unit when you configure the advanced source properties. For example, if the existing read capacity unit is 100, you can read 100 *8 KB of data per second from a table. To increase the number of reads by 20%, specify a value of 20 in the Read Capacity Unit field. You can now read 120 * 8 KB of data per second, which is 20% of existing unit of read capacity plus existing unit of read capacity.
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