zhijiang created FLINK-16012:
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Summary: Reduce the default number of exclusive buffers from 2 to
1 on receiver side
Key: FLINK-16012
URL: https://issues.apache.org/jira/browse/FLINK-16012
Project: Flink
Issue Type: Improvement
Reporter: zhijiang
In order to reduce the inflight buffers for checkpoint in the case of back
pressure, we can reduce the number of exclusive buffers for remote input
channel from default 2 to 1 as the first step. Besides that, the total required
buffers are also reduced as a result. We can further verify the performance
effect via various of benchmarks.
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