zhijiang created FLINK-12738:
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Summary: Remove abstract getPageSize from InputGate
Key: FLINK-12738
URL: https://issues.apache.org/jira/browse/FLINK-12738
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Reporter: zhijiang
Assignee: zhijiang
Currently {{InputGate#getPageSize}} is only used for constructing
{{BarrierBuffer}}. In order to make abstract InputGate simple and clean, we
should remove unnecessary abstract methods from it.
Considering the page size could be parsed directly from configuration which
could also visible while constructing {{BarrierBuffer}}, so it is reasonable to
do so.
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