Grokbase Groups HBase dev July 2009
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[ https://issues.apache.org/jira/browse/HBASE-1684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12759134#action_12759134 ]

Jonathan Gray commented on HBASE-1684:
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@Schubert What do you mean just use the normal API? These are MapReduce jobs. You are referring to wanting to do imports/exports at the HDFS level instead? (that is not this issue)

Bulk importing can be done with HBASE-48, but it is not yet fully-featured (only works on single families, doesn't work into existing tables, etc)

Bulk exporting at HFile level is going to require some form of freezing/snapshotting so it's 100% safe and consistent to do that (though it's still possible now, and we're doing it in production here). There is an old issue for this as well, HBASE-50.
Backup (Export/Import) contrib tool for 0.20
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Key: HBASE-1684
URL: https://issues.apache.org/jira/browse/HBASE-1684
Project: Hadoop HBase
Issue Type: New Feature
Components: contrib
Affects Versions: 0.20.0
Reporter: Jonathan Gray
Assignee: stack
Fix For: 0.20.1, 0.21.0

Attachments: BackupTable.java, ExportImport.java, exportimport.patch, HBASE-1684-trunk.patch, HBASE-1684-v1.patch, RestoreTable.java


Add a new Result/KeyValue based Export MapReduce job to contrib for 0.20.
Make it in the hadoop 0.20 and hbase 0.20 MR API, and hbase 0.20 API (Result/Put).
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categorieshbase, hadoop
postedJul 22, '09 at 10:04p
activeSep 24, '09 at 4:55p
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