Jiayi Liao created FLINK-20087:
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Summary: CheckpointCoordinator waits until all tasks finish
initialization of states to trigger checkpoint
Key: FLINK-20087
URL: https://issues.apache.org/jira/browse/FLINK-20087
Project: Flink
Issue Type: Improvement
Components: Runtime / Checkpointing
Affects Versions: 1.9.0
Reporter: Jiayi Liao
{{CheckpointCoordinator}} will start triggering checkpoint after all tasks send
RUNNING status to JobMaster. However, the {{initializeState}} could be
time-expensive(a few minutes), for example the task needs to rescale with
multiple old tasks' rocksdb data. During this process, the triggering of
checkpoints are meaningless.
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