Zhu Zhu created FLINK-13241:
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Summary: YarnResourceManager gives no response to second round slot allocations
Key: FLINK-13241
URL:
https://issues.apache.org/jira/browse/FLINK-13241 Project: Flink
Issue Type: Bug
Components: Deployment / YARN
Affects Versions: 1.9.0
Reporter: Zhu Zhu
Attachments: 17_37_05__07_12_2019.jpg
In the case that a job allocates a few slots first and after a period allocates some other slots. The YarnResourceManager seems to receive and ignore the latter slot requests.
To produce this issue, we can create a job with 2 vertices in different shared groups, as shown below:
!17_37_05__07_12_2019.jpg|width=433,height=127!
map2 vertex needs to wait until the source vertex to decide its location, thus to meet the input constraints.
YarnResourceManager can receive slot requests for map2, but seems not to handle it and the job will hang there waiting for resources.
In my observation, this issue does not happen on Flink(Version: 1.9-SNAPSHOT, Rev:3bc322a, Date:26.06.2019 @ 17:28:51 CST). It should be a new issue after that.
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