AWS Kinesis #X Amz Target=Kinesis 20131202.MergeShards API

openapi: 3.0.0
info:
  version: 2015-08-04
  x-release: v4
  title: 'Amazon Kinesis Firehose CreateSignalingChannel #X Amz Target=Kinesis 20131202.MergeShards API'
  description: <fullname>Amazon Kinesis Data Firehose API Reference</fullname> <p>Amazon Kinesis Data Firehose is a fully managed service that delivers real-time streaming data to destinations such as Amazon Simple Storage Service (Amazon S3), Amazon OpenSearch Service, Amazon Redshift, Splunk, and various other supportd destinations.</p>
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  contact:
    name: Mike Ralphson
    email: mike.ralphson@gmail.com
    url: https://github.com/mermade/aws2openapi
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  license:
    name: Apache 2.0 License
    url: http://www.apache.org/licenses/
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tags:
- name: '#X Amz Target=Kinesis 20131202.MergeShards'
paths:
  /#X-Amz-Target=Kinesis_20131202.MergeShards:
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    post:
      operationId: MergeShards
      description: <p>Merges two adjacent shards in a Kinesis data stream and combines them into a single shard to reduce the stream's capacity to ingest and transport data. This API is only supported for the data streams with the provisioned capacity mode. Two shards are considered adjacent if the union of the hash key ranges for the two shards form a contiguous set with no gaps. For example, if you have two shards, one with a hash key range of 276...381 and the other with a hash key range of 382...454, then you could merge these two shards into a single shard that would have a hash key range of 276...454. After the merge, the single child shard receives data for all hash key values covered by the two parent shards.</p> <note> <p>When invoking this API, it is recommended you use the <code>StreamARN</code> input parameter rather than the <code>StreamName</code> input parameter.</p> </note> <p> <code>MergeShards</code> is called when there is a need to reduce the overall capacity of a stream because of excess capacity that is not being used. You must specify the shard to be merged and the adjacent shard for a stream. For more information about merging shards, see <a href="https://docs.aws.amazon.com/kinesis/latest/dev/kinesis-using-sdk-java-resharding-merge.html">Merge Two Shards</a> in the <i>Amazon Kinesis Data Streams Developer Guide</i>.</p> <p>If the stream is in the <code>ACTIVE</code> state, you can call <code>MergeShards</code>. If a stream is in the <code>CREATING</code>, <code>UPDATING</code>, or <code>DELETING</code> state, <code>MergeShards</code> returns a <code>ResourceInUseException</code>. If the specified stream does not exist, <code>MergeShards</code> returns a <code>ResourceNotFoundException</code>. </p> <p>You can use <a>DescribeStreamSummary</a> to check the state of the stream, which is returned in <code>StreamStatus</code>.</p> <p> <code>MergeShards</code> is an asynchronous operation. Upon receiving a <code>MergeShards</code> request, Amazon Kinesis Data Streams immediately returns a response and sets the <code>StreamStatus</code> to <code>UPDATING</code>. After the operation is completed, Kinesis Data Streams sets the <code>StreamStatus</code> to <code>ACTIVE</code>. Read and write operations continue to work while the stream is in the <code>UPDATING</code> state. </p> <p>You use <a>DescribeStreamSummary</a> and the <a>ListShards</a> APIs to determine the shard IDs that are specified in the <code>MergeShards</code> request. </p> <p>If you try to operate on too many streams in parallel using <a>CreateStream</a>, <a>DeleteStream</a>, <code>MergeShards</code>, or <a>SplitShard</a>, you receive a <code>LimitExceededException</code>. </p> <p> <code>MergeShards</code> has a limit of five transactions per second per account.</p>
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      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MergeShardsInput'
      parameters:
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        in: header
        required: true
        schema:
          type: string
          enum:
          - Kinesis_20131202.MergeShards
      tags:
      - '#X Amz Target=Kinesis 20131202.MergeShards'
components:
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    StreamARN:
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    MergeShardsInput:
      type: object
      required:
      - ShardToMerge
      - AdjacentShardToMerge
      title: MergeShardsInput
      properties:
        StreamName:
          allOf:
          - $ref: '#/components/schemas/StreamName'
          - description: The name of the stream for the merge.
        ShardToMerge:
          allOf:
          - $ref: '#/components/schemas/ShardId'
          - description: The shard ID of the shard to combine with the adjacent shard for the merge.
        AdjacentShardToMerge:
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          - description: The shard ID of the adjacent shard for the merge.
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      description: Represents the input for <code>MergeShards</code>.
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    ShardId:
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