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.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
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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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