[GitHub] asfgit closed pull request #6564: [FLINK-10154] [kinesis connector] Make sure we always read at least one record in Kinesis Connector.

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asfgit closed pull request #6564: [FLINK-10154] [kinesis connector] Make sure we always read at least one record in Kinesis Connector.
URL: https://github.com/apache/flink/pull/6564
 
 
   

This is a PR merged from a forked repository.
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diff --git a/flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/internals/ShardConsumer.java b/flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/internals/ShardConsumer.java
index d698ecf2e9d..6de72783f1f 100644
--- a/flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/internals/ShardConsumer.java
+++ b/flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/internals/ShardConsumer.java
@@ -278,8 +278,8 @@ private int adaptRecordsToRead(long runLoopTimeNanos, int numRecords, long recor
 			double loopFrequencyHz = 1000000000.0d / runLoopTimeNanos;
 			double bytesPerRead = KINESIS_SHARD_BYTES_PER_SECOND_LIMIT / loopFrequencyHz;
 			maxNumberOfRecordsPerFetch = (int) (bytesPerRead / averageRecordSizeBytes);
-			// Ensure the value is not more than 10000L
-			maxNumberOfRecordsPerFetch = Math.min(maxNumberOfRecordsPerFetch, ConsumerConfigConstants.DEFAULT_SHARD_GETRECORDS_MAX);
+			// Ensure the value is greater than 0 and not more than 10000L
+			maxNumberOfRecordsPerFetch = Math.max(1, Math.min(maxNumberOfRecordsPerFetch, ConsumerConfigConstants.DEFAULT_SHARD_GETRECORDS_MAX));
 		}
 		return maxNumberOfRecordsPerFetch;
 	}


 

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