Junrui Lee created FLINK-36959:
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Summary: Computing readable buffer offsets and sizes when
including empty buffers fails.
Key: FLINK-36959
URL: https://issues.apache.org/jira/browse/FLINK-36959
Project: Flink
Issue Type: Bug
Components: Runtime / Network
Reporter: Junrui Lee
Assignee: Junrui Lee
The computation of readable buffer offsets and sizes fails when the range
starts or ends with empty buffers.
The offsets and sizes of buffers can follow these patterns:
* {{{\{0,0}, ..., \{1,3}, ..., \{0,0}, \{5,6}, ...}}} for non-broadcast
scenarios.
* {{{\{1,2}, ..., \{1,2}, ..., \{1,2}, ...}}} for broadcast scenarios.
However, the current logic does not correctly handle situations where the
sequence starts or ends with an empty buffer (\{0, 0}). This needs to be fixed.
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