Stefan Richter created FLINK-12478:
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Summary: Decompose monolithic run-loops in StreamTask
implementations into step-wise calls
Key: FLINK-12478
URL: https://issues.apache.org/jira/browse/FLINK-12478
Project: Flink
Issue Type: Sub-task
Components: Runtime / Operators
Reporter: Stefan Richter
Assignee: Stefan Richter
Fix For: 1.9.0
As a first step to introduce a mailbox model, we need to split up the
monolithic loops in stream task implementations into stepwise actions. The
step-wise actions are still run in a loop, but give us the opportunity to check
the mailbox between each step in the future. This mailbox will be added to the
loop in a later subtasks.
We also exclude breaking the stream sources into steps because this is not
possible before FLIP-27 is implemented and we need to be compatible to the
current source function interface.
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