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https://issues.apache.org/jira/browse/HDFS-4605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603514#comment-13603514
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Kihwal Lee commented on HDFS-4605:
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If we do this, there will be a restriction that the summing hash function
should consume 32 bits (CRC32 or CRC32C) at a time.
> Implement block-size independent file checksum
> ----------------------------------------------
>
> Key: HDFS-4605
> URL: https://issues.apache.org/jira/browse/HDFS-4605
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, hdfs-client
> Affects Versions: 3.0.0
> Reporter: Kihwal Lee
>
> The value of current getFileChecksum() is block-size dependent. Since
> FileChecksum is mainly intended for comparing content of files, removing this
> dependency will make FileCheckum in HDFS relevant in more use cases.
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