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https://issues.apache.org/jira/browse/SPARK-30274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-30274.
-----------------------------------
Fix Version/s: 3.0.0
2.4.5
Resolution: Fixed
Issue resolved by pull request 26914
[https://github.com/apache/spark/pull/26914]
> Avoid BytesToBytesMap lookup hang forever when holding keys reaching max
> capacity
> ---------------------------------------------------------------------------------
>
> Key: SPARK-30274
> URL: https://issues.apache.org/jira/browse/SPARK-30274
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
> Fix For: 2.4.5, 3.0.0
>
>
> BytesToBytesMap.append allows to append keys until the number of keys reaches
> MAX_CAPACITY. But once the the pointer array in the map holds MAX_CAPACITY
> keys, next time call of lookup will hand forever.
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