Dongjoon Hyun created SPARK-33387:
-------------------------------------

             Summary: Support ordered shuffle block migration
                 Key: SPARK-33387
                 URL: https://issues.apache.org/jira/browse/SPARK-33387
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.1.0
            Reporter: Dongjoon Hyun


Since the current shuffle block migration works in a random order like the 
following, the failure during worker decommission affects all of the shuffles. 
This issue aims to support ordered migration.

shuffle_16_1900_0.index
shuffle_19_2123_0.index
shuffle_25_3792_0.index
shuffle_25_3792_0.data
shuffle_19_2123_0.data
shuffle_16_1900_0.data
shuffle_16_2015_0.index
shuffle_16_2015_0.data
shuffle_12_3264_0.index
shuffle_14_4329_0.index
shuffle_20_2463_0.index
shuffle_20_2463_0.data
shuffle_14_4329_0.data



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