[jira] [Created] (FLINK-19924) Disallow unaligned checkpoints for iterative jobs

[Shang Yuanchun (Jira)]

Roman Khachatryan created FLINK-19924:
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             Summary: Disallow unaligned checkpoints for iterative jobs
                 Key: FLINK-19924
                 URL: https://issues.apache.org/jira/browse/FLINK-19924
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Configuration
    Affects Versions: 1.12.0
            Reporter: Roman Khachatryan
            Assignee: Roman Khachatryan
             Fix For: 1.12.0


For rescaling of Unaligned Checkpoints added in 1.12, EndOfChannelRecovery and upstream alignment will be added.

However, this alignment won't work for iterative jobs.

There is a need to
 # pass this info to subtasks (whether is iterative)
 # validate on startup
 # a flag to skip validation



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