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Posted to dev@flink.apache.org by "Piotr Nowojski (JIRA)" <ji...@apache.org> on 2019/06/27 10:01:00 UTC
[jira] [Created] (FLINK-13013) Make sure that SingleInputGate can
always request partitions
Piotr Nowojski created FLINK-13013:
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Summary: Make sure that SingleInputGate can always request partitions
Key: FLINK-13013
URL: https://issues.apache.org/jira/browse/FLINK-13013
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Reporter: Piotr Nowojski
Assignee: Piotr Nowojski
Currently {{SingleInputGate}} requests partitions only on the first attempt to fetch the data. Before requesting partitions, no data availability notifications can get through. This doesn't work well with a new non blocking {{InputGate}} interface, since on newly created {{SingleInputGates,}} {{InputGate#isAvailable()}} might return not available, and it will be only able to switch to available, after first call to {{SingleInputGate#pollNext()}}.
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