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https://issues.apache.org/jira/browse/HBASE-13702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14583970#comment-14583970
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Apekshit Sharma commented on HBASE-13702:
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Ping for reviews.
> ImportTsv: Add dry-run functionality and log bad rows
> -----------------------------------------------------
>
> Key: HBASE-13702
> URL: https://issues.apache.org/jira/browse/HBASE-13702
> Project: HBase
> Issue Type: New Feature
> Reporter: Apekshit Sharma
> Assignee: Apekshit Sharma
> Attachments: HBASE-13702.patch
>
>
> ImportTSV job skips bad records by default (keeps a count though).
> -Dimporttsv.skip.bad.lines=false can be used to fail if a bad row is
> encountered.
> To be easily able to determine which rows are corrupted in an input, rather
> than failing on one row at a time seems like a good feature to have.
> Moreover, there should be 'dry-run' functionality in such kinds of tools,
> which can essentially does a quick run of tool without making any changes but
> reporting any errors/warnings and success/failure.
> To identify corrupted rows, simply logging them should be enough. In worst
> case, all rows will be logged and size of logs will be same as input size,
> which seems fine. However, user might have to do some work figuring out where
> the logs. Is there some link we can show to the user when the tool starts
> which can help them with that?
> For the dry run, we can simply use if-else to skip over writing out KVs, and
> any other mutations, if present.
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