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https://issues.apache.org/jira/browse/PARQUET-474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15345434#comment-15345434
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Deepak Majeti commented on PARQUET-474:
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It makes sense to replace the {{Seek}} with a {{ReadAt}} in the public API. It
will simplify your locking of the LocalFileSource class.
Looking at the parquet code, it looks like {{Seek}} is used only in the
sequential parts. I am guessing you will need to lock only the {{Read}} call,
in which case the API need not change.
> InputStream and RandomAccessdSource classes are not threadsafe
> --------------------------------------------------------------
>
> Key: PARQUET-474
> URL: https://issues.apache.org/jira/browse/PARQUET-474
> Project: Parquet
> Issue Type: Bug
> Components: parquet-cpp
> Reporter: Wes McKinney
> Assignee: Wes McKinney
>
> We need to ensure that files can be processed in multithreaded applications
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