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https://issues.apache.org/jira/browse/HBASE-30050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hernan Romer reassigned HBASE-30050:
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Assignee: Hernan Romer
> Inefficient HFile format check in incremental backup bulkload copy
> -------------------------------------------------------------------
>
> Key: HBASE-30050
> URL: https://issues.apache.org/jira/browse/HBASE-30050
> Project: HBase
> Issue Type: Bug
> Reporter: Hernan Romer
> Assignee: Hernan Romer
> Priority: Major
>
> IncrementalTableBackupClient.incrementalCopyBulkloadHFiles uses
> HFile.isHFileFormat() to filter files before copying. This method opens each
> file and reads the trailer to verify magic bytes, which requires a remote I/O
> round-trip per file. For backup output directories with many files, this is
> unnecessarily slow.
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