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https://issues.apache.org/jira/browse/HBASE-12065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14146432#comment-14146432
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Maddineni Sukumar commented on HBASE-12065:
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Thanks for the comment [~anoop.hbase]...
So actually I made a fix in Import tool to deal with multiple DeletFamily
markers and added that patch also..
Can you please take a look at it if you are aware of that area.
> Import tool is not restoring multiple DeleteFamily markers of a row
> --------------------------------------------------------------------
>
> Key: HBASE-12065
> URL: https://issues.apache.org/jira/browse/HBASE-12065
> Project: HBase
> Issue Type: Bug
> Components: util
> Affects Versions: 0.98.2
> Reporter: Maddineni Sukumar
> Assignee: Maddineni Sukumar
> Priority: Minor
> Attachments: hbase-12065-fix.patch, hbase-12065-unit-test.patch
>
>
> When a row has more than one DeleteFamily markers, Import tool is not
> restoring all DeleteFamily markers.
> Scenario: Insert entries into hbase in below order
> Put Row1 with Value-A
> Delete Row1 with DeleteFamily Marker
> Put Row1 with Value-B
> Delete Row1 with DeleteFamily Marker
> Using Export tool export this data and Import it into another table, you will
> see below entries
> Delete Row1 with DeleteFamily Marker
> Put Row1 with Value-B
> Put Row1 with Value-A
> One DeleteFamily marker is missing here... In Import tool,
> Importer.writeResult() method we are batching all deletes into a single
> Delete request and pushing into hbase. Here we are pushing only one delete
> family marker into hbase table.
> I tried same with normal HTable.delete command also.
> If you pass multiple DeleteFamily markers of a row in a single Delete request
> to hbase then table is maintaining only one.
> If that is the expected behavior of hbase then we should change logic in
> Import tool to push DeleteFamily markers individually one by one.
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