liukunyuan commented on issue #15928:
URL:
https://github.com/apache/dolphinscheduler/issues/15928#issuecomment-2081413084
> What causes the fourth problem? And I have some suggest: 1.The fifth
problem may cause task loss. A data processing task may contain more then one
yarn job. If it fails between yarn tasks, this may cause the fault-tolerant
task to succeed but miss some yarn task submissions. 2.Can the eighth one be
configured? The easy failure of some long tasks may lead to a waste of
complement resources.
1. What causes the fourth problem?
Mysql network exception for a few minutes
2. A data processing task may contain more then one yarn job。
It will write multiple appids to the task_instance table
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