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Help Center/ Data Lake Factory/ FAQs/ What Causes a Large Difference Between the Plan Time and Start Time of a Job?

What Causes a Large Difference Between the Plan Time and Start Time of a Job?

Updated on 2022-02-22 GMT+08:00

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Question

When I check the running history of a job, I find there is a big difference between the plan time and start time of the job. What causes this problem?

Figure 1 Running History page
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Answer

The plan time is the time when the job is expected to be executed, that is, the scheduling plan configured by the user for the job. The start time is the time when the job actually starts to be executed.

In DLF, a maximum of five instances can be concurrently executed in a job. If the start time of a job is later than the plan time, the job instances in the subsequent batch will be queued.

If you find that the difference between the plan time and start time becomes large, check whether the plan time is earlier than the start time and adjust the plan time based on the site requirements.

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