aws dynamodb streams - a quick introduction
DESCRIPTION
A brief introduction to the recently announced AWS DynamoDB streamsTRANSCRIPT
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AWS DynamoDB StreamsA quick introduction
Chris Richardson
Author of POJOs in ActionFounder of the original CloudFoundry.com
@[email protected]://plainoldobjects.comhttp://microservices.io
@crichardson
What is a DynamoDB Stream?
An ordered sequence of changes to items in a DynamoDB table:
Puts, updates, and deletes performed in last 24 hours
Sharded for scalability
Kinda like: message queue or Kafka topic
Similar to Kinesis streams
Subscribe to a stream to track the changes made to a table
Real time analytics
Cross region replication
Maintain materialized view tables
...
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Creating a table with a streamKEYS,
OLD_IMAGE and/or
NEW_IMAGE
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Getting the stream id
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Getting the shards in a stream
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Reading change records
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Change records
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Kinesis adapter
http://dynamodb-preview.s3-website-us-west-2.amazonaws.com/docs/streams-dg/Streams.KCLAdapter.html
Scalable, fault tolerant programming
model for stream processing
https://github.com/awslabs/amazon-kinesis-client
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Lambda integration
http://dynamodb-preview.s3-website-us-west-2.amazonaws.com/docs/streams-dg/Streams.Lambda.Walkthrough.Basic.html#Streams.Lambda.Walkthrough.Basic.Step3
