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https://issues.apache.org/jira/browse/FLINK-4582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671196#comment-16671196
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ASF GitHub Bot commented on FLINK-4582:
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yxu-valleytider commented on a change in pull request #6968: [FLINK-4582]
[kinesis] Consuming data from DynamoDB streams to flink
URL: https://github.com/apache/flink/pull/6968#discussion_r229956951
##########
File path:
flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/dynamodbstreams/FlinkDynamodbStreamsConsumer.java
##########
@@ -0,0 +1,110 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.streaming.connectors.dynamodbstreams;
Review comment:
Hmm, both the `dynamodbstreams` and `kinesis` modules are under the parent
module `org.apache.flink.streaming.connectors`. This is also consistent with
the directory structure.
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> Allow FlinkKinesisConsumer to adapt for AWS DynamoDB Streams
> ------------------------------------------------------------
>
> Key: FLINK-4582
> URL: https://issues.apache.org/jira/browse/FLINK-4582
> Project: Flink
> Issue Type: New Feature
> Components: Kinesis Connector, Streaming Connectors
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Ying Xu
> Priority: Major
> Labels: pull-request-available
>
> AWS DynamoDB is a NoSQL database service that has a CDC-like (change data
> capture) feature called DynamoDB Streams
> (http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.html),
> which is a stream feed of item-level table activities.
> The DynamoDB Streams shard abstraction follows that of Kinesis Streams with
> only a slight difference in resharding behaviours, so it is possible to build
> on the internals of our Flink Kinesis Consumer for an exactly-once DynamoDB
> Streams source.
> I propose an API something like this:
> {code}
> DataStream dynamoItemsCdc =
> FlinkKinesisConsumer.asDynamoDBStream(tableNames, schema, config)
> {code}
> The feature adds more connectivity to popular AWS services for Flink, and
> combining what Flink has for exactly-once semantics, out-of-core state
> backends, and queryable state with CDC can have very strong use cases. For
> this feature there should only be an extra dependency to the AWS Java SDK for
> DynamoDB, which has Apache License 2.0.
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