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https://issues.apache.org/jira/browse/SPARK-29081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-29081:
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Affects Version/s: (was: 2.4.4)
3.0.0
> Replace calls to SerializationUtils.clone on properties with a faster
> implementation.
> -------------------------------------------------------------------------------------
>
> Key: SPARK-29081
> URL: https://issues.apache.org/jira/browse/SPARK-29081
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: David Lewis
> Priority: Minor
> Fix For: 3.0.0
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> I don't have empirical evidence, but due to the sheer number of times I have
> seen spark in the SerializationUtils.clone method in stack traces I've taken
> I figured it could use some love.
> This functionality was implemented to fix a bug where we were accidentally
> modifying the properties man used by other threads. That solution was to use
> SerializationUtils.clone, but that is not necessary. I suggest just creating
> a new Properties object and iterating over the key-value pairs in the
> original map and adding them one by one.
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