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説明
Kinesis supports producing aggregated (aka batched) record. Thus, kinesis consumer also has support for de-aggregating the records. Refer - https://docs.aws.amazon.com/streams/latest/dev/kinesis-kpl-consumer-deaggregation.html
Kinesis provides an AggregatorUtil (https://github.com/awslabs/amazon-kinesis-client/blob/master/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/AggregatorUtil.java) that can be used in the KinesisConsumer implementation. An example usage of this util can be found in the beam repo (https://github.com/apache/beam/blob/master/sdks/java/io/amazon-web-services2/src/main/java/org/apache/beam/sdk/io/aws2/kinesis/SimplifiedKinesisClient.java#L269)
Even though the records in the batch have the same sequence number, we can append the sub-sequence number to Pinot kinesis' StreamMessageOffset. Changes should be fairly trivial to do this.
Labels: enhancement , kinesis, help-wanted