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https://issues.apache.org/jira/browse/HBASE-16509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15447326#comment-15447326
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Heng Chen commented on HBASE-16509:
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change "unmatchedFamilies" from List to Set? It may cause OOM if we use
List...
> Add option to LoadIncrementalHFiles which allows skipping unmatched column
> families
> -----------------------------------------------------------------------------------
>
> Key: HBASE-16509
> URL: https://issues.apache.org/jira/browse/HBASE-16509
> Project: HBase
> Issue Type: Improvement
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: 16509.v1.txt, 16509.v2.txt, 16509.v3.txt, 16509.v3.txt
>
>
> During my work on HBASE-15449, there came the need for LoadIncrementalHFiles
> not to bail out on unmatched column families.
> The use case is like this:
> * table has two column families, A and B
> * full backup is taken on this table
> * column family B is dropped
> * more data is written to the table
> * incremental backup is performed on the table
> * user performs incremental restore using the latest backup
> Since column family B is gone, LoadIncrementalHFiles would fail with
> IOException for family mismatch.
> This issue is to add an option to LoadIncrementalHFiles so that bulk load can
> load hfiles for the existing column families.
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