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https://issues.apache.org/jira/browse/SPARK-53213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-53213.
-----------------------------------
Fix Version/s: 4.1.0
Resolution: Fixed
Issue resolved by pull request 51938
[https://github.com/apache/spark/pull/51938]
> Use Java `Base64` instead of `Base64.(decodeBase64|encodeBase64String)`
> -----------------------------------------------------------------------
>
> Key: SPARK-53213
> URL: https://issues.apache.org/jira/browse/SPARK-53213
> Project: Spark
> Issue Type: Sub-task
> Components: Kubernetes, Spark Core, SQL
> Affects Versions: 4.1.0
> Reporter: Dongjoon Hyun
> Assignee: Dongjoon Hyun
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> Java native API is over **9x faster** `Commons Codec`.
> {code}
> scala> val a = new Array[Byte](1_000_000_000)
> scala>
> spark.time(org.apache.commons.codec.binary.Base64.decodeBase64(org.apache.commons.codec.binary.Base64.encodeBase64String(a)).length)
> Time taken: 10121 ms
> val res0: Int = 1000000000
> scala>
> spark.time(java.util.Base64.getDecoder().decode(java.util.Base64.getEncoder().encodeToString(a)).length)
> Time taken: 1156 ms
> val res1: Int = 1000000000
> {code}
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