Nico Kruber created FLINK-11102:
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Summary: Enable check for previous data in SpanningRecordSerializer
Key: FLINK-11102
URL: https://issues.apache.org/jira/browse/FLINK-11102
Project: Flink
Issue Type: Improvement
Components: Network
Affects Versions: 1.8.0
Reporter: Nico Kruber
{{SpanningRecordSerializer}} only verifies that there is no left-over data from
a previous serialization call if {{SpanningRecordSerializer#CHECKED}} is
{{true}} but this is hard-coded as {{false}}. Now if there was previous data,
we would silently drop this and continue with our data. The deserializer would
probably notice and fail but identifying the root cause may not be as easy
anymore.
-> We should enable that check by default since the only thing it does is to
verify {{!java.nio.Buffer#hasRemaining()}} which cannot be too expensive.
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