Github user brkyvz commented on a diff in the pull request:

    https://github.com/apache/spark/pull/17467#discussion_r112841727
  
    --- Diff: docs/streaming-kinesis-integration.md ---
    @@ -216,3 +216,7 @@ de-aggregate records during consumption.
     - If no Kinesis checkpoint info exists when the input DStream starts, it 
will start either from the oldest record available 
(`InitialPositionInStream.TRIM_HORIZON`) or from the latest tip 
(`InitialPositionInStream.LATEST`).  This is configurable.
       - `InitialPositionInStream.LATEST` could lead to missed records if data 
is added to the stream while no input DStreams are running (and no checkpoint 
info is being stored).
       - `InitialPositionInStream.TRIM_HORIZON` may lead to duplicate 
processing of records where the impact is dependent on checkpoint frequency and 
processing idempotency.
    +
    +#### Kinesis retry configurations
    + - `spark.streaming.kinesis.retry.waitTime` : SparkConf for wait time 
between Kinesis retries (in milliseconds). Default is "100ms".
    --- End diff --
    
    Example: `Wait time between Kinesis retries as a duration string. When 
reading from Amazon Kinesis, users may hit 'ThroughputExceededExceptions', when 
consuming faster than 2 mb/s. This configuration can be tweaked to increase the 
sleep between fetches when a fetch fails to reduce these exceptions.`


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