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https://issues.apache.org/jira/browse/HUDI-1794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prashant Wason updated HUDI-1794:
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Status: In Progress (was: Open)
> Generating a new instant time in HoodieActiveTimeline is not thread safe
> ------------------------------------------------------------------------
>
> Key: HUDI-1794
> URL: https://issues.apache.org/jira/browse/HUDI-1794
> Project: Apache Hudi
> Issue Type: Bug
> Reporter: Prashant Wason
> Assignee: Prashant Wason
> Priority: Major
>
> When generating a new instant time in HoodieActiveTimeline, a static instance
> of SimpleDateFormat is used. This class is not thread safe.
> We have a production usecase where multiple HUDI datasets are processed in
> parallel in different threads of a ThreadPool. Each of these threads creates
> its own SparkRDDBackedWriteClient and calls startCommit() which generates a
> new commit time. Because SimpleDateFormat is not thread safe, we get
> corrupted instant times in several threads.
> The solution is to use a thread-specific instance of the SimpleDateFormat for
> generating new instant times.
>
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