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https://issues.apache.org/jira/browse/ARROW-5995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16918730#comment-16918730
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Ruslan Kuprieiev commented on ARROW-5995:
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> stores these checksums in a separate hidden file in the same HDFS namespace
I wonder what `hidden` means in this case. Could they be accessed as any
regular file on hdfs?
> [Python] pyarrow: hdfs: support file checksum
> ---------------------------------------------
>
> Key: ARROW-5995
> URL: https://issues.apache.org/jira/browse/ARROW-5995
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Ruslan Kuprieiev
> Priority: Minor
>
> I was not able to find how to retrieve checksum (`getFileChecksum` or `hadoop
> fs/dfs -checksum`) for a file on hdfs. Judging by how it is implemented in
> hadoop CLI [1], looks like we will also need to implement it manually in
> pyarrow. Please correct me if I'm missing something. Is this feature
> desirable? Or was there a good reason why it wasn't implemented already?
> [1]
> [https://github.com/hanborq/hadoop/blob/hadoop-hdh3u2.1/src/hdfs/org/apache/hadoop/hdfs/DFSClient.java#L719]
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