Yumeng Zhang created FLINK-18551:
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Summary: Don't need to download flink-conf.yaml when launching
taskmanager on Yarn mode
Key: FLINK-18551
URL: https://issues.apache.org/jira/browse/FLINK-18551
Project: Flink
Issue Type: Improvement
Affects Versions: 1.11.0, 1.10.1
Reporter: Yumeng Zhang
In current flink version, launching a taskmanager on Yarn will follow these
steps:
1. download flink-conf.yaml file to the local working directory
2. get Configuration object by reading local flink-conf.yaml file
We could reduce the IO operation by setting flinkConfig to container env when
createTaskExecutorContext in jobmanager side and getting Configuration object
by system env in taskmanager side. This way we don't need to download
flink-conf.yaml when launching taskmanager on Yarn and could accelerate the
start process a little bit.
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