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https://issues.apache.org/jira/browse/HUDI-4974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17612377#comment-17612377
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Pratyaksh Sharma commented on HUDI-4974:
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[https://github.com/prestodb/presto/pull/18441] fixes this for now from Presto.
> Avoid creating Configuration copies in Hudi
> -------------------------------------------
>
> Key: HUDI-4974
> URL: https://issues.apache.org/jira/browse/HUDI-4974
> Project: Apache Hudi
> Issue Type: Improvement
> Reporter: Sagar Sumit
> Priority: Major
> Fix For: 0.13.0
>
>
> See [https://github.com/apache/hudi/issues/6332] for more details.
> The reason for creating copies was to avoid ConcurrentModificationException
> encountered while long-running deltastreamer jobs. To avoid current
> modification, table meta client and file system get exclusive copies of the
> configuration. See [#755|https://github.com/apache/hudi/pull/755] for context.
> But this breaks when a wrapper configuration object is given to the
> constructor, e.g. HIveCachingHdfsConfiguration from Presto. Is there a way to
> avoid creating copies and make it work with whatever the engine provides?
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