Efficient use of primary keys
As DynamoDB is a NoSQL database and is used with scalable applications, table data might grow exponentially. This might reduce data read and write throughput (the number of 1 KB read or write requests per second) if not managed efficiently. This management starts right from choosing the correct primary key and its parameters. Take a look at the following table:
As soon as the table is created, the table data is partitioned on the hash key attribute. What this means is that if the table has three partitions, then the first two items will go to the first partition, the third item will go to the second partition and the ...
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