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https://issues.apache.org/jira/browse/SPARK-36389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chandni Singh updated SPARK-36389:
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Description: With SPARK-32922, we added a change that {{ShuffleBlockId}}
can have a negative mapId. This was to support push-based shuffle where {{-1}}
as mapId indicated a push-merged block. However with SPARK-32923, a different
type of {{BlockId}} was introduced - {{ShuffleMergedId}}, but reverting the
change to {{ShuffleBlockId}} was missed. (was: With SPARK-32922, we added a
change that {{ShuffleBlockId}} can have a negative mapId. This was to support
push-based shuffle where {{-1}} as mapId indicated a push-merged block. However
with SPARK-32923, a different type of {{BlockId}} was introduce -
{{ShuffleMergedId}}, but reverting the change to {{ShuffleBlockId}} was missed.
)
> Revert the change that accepts negative mapId
> ---------------------------------------------
>
> Key: SPARK-36389
> URL: https://issues.apache.org/jira/browse/SPARK-36389
> Project: Spark
> Issue Type: Bug
> Components: Shuffle
> Affects Versions: 3.2.0
> Reporter: Chandni Singh
> Priority: Minor
>
> With SPARK-32922, we added a change that {{ShuffleBlockId}} can have a
> negative mapId. This was to support push-based shuffle where {{-1}} as mapId
> indicated a push-merged block. However with SPARK-32923, a different type of
> {{BlockId}} was introduced - {{ShuffleMergedId}}, but reverting the change to
> {{ShuffleBlockId}} was missed.
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