[SPARK-19617][SS]fix structured streaming restart bug#16980
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cc @zsxwing |
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test this please |
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retest this please. |
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The JIRA ID is not SPARK-19645? |
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@uncleGen The JIRA ID is 19617. But JIRA 19677 is same problem with this. |
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@gf53520 SPARK-19617 is a different issue. I guess you meant SPARK-19645. Thanks a lot for doing this. However, I merged #17012 as the approach is better and it has a unit test to cover this issue. Could you close this one please? |
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@zsxwing no problem, But I think that PR exists an small problem that a tmp file of delta file is still reserved in hdfs. |
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Good catch. Could you submit a follow up PR to fix it? |
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@zsxwing okay, I will submit a PR to fix it. |
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What changes were proposed in this pull request?
SPARK-19617
When restart a structured streaming job, spark will recompute WAL offsets and generate the same hdfs delta file named "currentBatchId.delta" and also generated before job restart .
How was this patch tested?
manual tests