January 2019
Intermediate to advanced
490 pages
15h 37m
English
Content preview from Serverless Programming Cookbook
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How it works...
In summary, we did the following in this recipe:
- Created a KDS using AWS CLI commands and the CloudFormation template
- Added two data records into the stream
- Retrieved the stream iterator with the shard iterator type as TRIM_HORIZON
- Retrieved the data records, passing the shard iterator value
You can add data to a KDS from the CLI using the aws kinesis put-record command, specifying the stream name and a partition key. The partition key determines which shard a given data record belongs to. A stream is composed of many shards and each shard has a fixed capacity. Based on the data rate capacity requirements, you can increase or decrease the number of shards.
The following are some of the limitations of a Kinesis shard:
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