[SPARK-31484][Core][Flollowup] Use taskAttemptId in checkpoint filename #28289
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Ngone51
approved these changes
Apr 22, 2020
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Test build #121606 has finished for PR 28289 at commit
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retest this please |
| val finalOutputPath = new Path(outputDir, finalOutputName) | ||
| val tempOutputPath = new Path(outputDir, | ||
| s".$finalOutputName-attempt-${ctx.stageAttemptNumber()}-${ctx.attemptNumber()}") | ||
| val tempOutputPath = new Path(outputDir, s".$finalOutputName-attempt-${ctx.taskAttemptId()}") |
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BTW, do we need -attempt-?
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private[spark] class TaskDescription(
val taskId: Long,
val attemptNumber: Int,
...
I believe taskAttempId is some kind of historic name in TaskContext.
dongjoon-hyun
approved these changes
Apr 22, 2020
HyukjinKwon
approved these changes
Apr 22, 2020
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Test build #121612 has finished for PR 28289 at commit
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cloud-fan
approved these changes
Apr 22, 2020
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Merged to master. |
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Thanks! |
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What changes were proposed in this pull request?
As suggested by #28255 (comment), this patch proposes to use taskAttemptId in checkpoint filename, instead of stageAttemptNumber + attemptNumber.
Why are the changes needed?
To simplify checkpoint simplified and unique.
Does this PR introduce any user-facing change?
No
How was this patch tested?
Existing tests.