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Posted to dev@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2018/10/07 16:06:00 UTC
[jira] [Created] (FLINK-10505) Treat fail signal as scheduling
event
Till Rohrmann created FLINK-10505:
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Summary: Treat fail signal as scheduling event
Key: FLINK-10505
URL: https://issues.apache.org/jira/browse/FLINK-10505
Project: Flink
Issue Type: Sub-task
Components: Distributed Coordination
Affects Versions: 1.7.0
Reporter: Till Rohrmann
Fix For: 1.7.0
Instead of simply calling into the {{RestartStrategy}} which restarts the existing {{ExecutionGraph}} with the same parallelism, the {{ExecutionGraphDriver}} should treat a recovery similar to the initial scheduling operation. First, one needs to decide on the new parallelism of the {{ExecutionGraph}} (scale up/scale down) wrt to the available set of resources. Only if the minimum configuration is fulfilled, the potentially rescaled {{ExecutionGraph}} will be restarted.
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