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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13352) Add hbase.import.version to Import usage.
Date Mon, 30 Mar 2015 19:17:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14387255#comment-14387255
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Enis Soztutar commented on HBASE-13352:
---------------------------------------

Import can also filter records, in which case input records will not be equal to output records.
So input != output is not necessarily a problem. We can expand on the warning, saying maybe
some have been filtered out if configured. Alternatively, we can also add a counter for filtered
out records, and do the math. Other than that +1. 

> Add hbase.import.version to Import usage.
> -----------------------------------------
>
>                 Key: HBASE-13352
>                 URL: https://issues.apache.org/jira/browse/HBASE-13352
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Priority: Trivial
>             Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.13
>
>         Attachments: 13352-v2.txt, 13352.txt
>
>
> We just tried to export some (small amount of) data out of an 0.94 cluster to 0.98 cluster.
We used Export/Import for that.
> By default we found that the import M/R job correctly reports the number of records seen,
but _silently_ does not import anything. After looking at the 0.98 it's obvious there's an
hbase.import.version (-Dhbase.import.version=0.94) to make this work.
> Two issues:
> # -Dhbase.import.version=0.94 should be show with the the Import.usage
> # If not given it should not just silently not import anything
> In this issue I'll just a trivially add this option to the Import tool's usage.



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