Grokbase Groups HBase dev July 2009
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stack updated HBASE-1684:

Attachment: exportimport.patch

Patch that adds import and export jobs to the hbase mapreduce MR driver.

Export does like Jon's writing out to sequence files.

Import reads in from said sequence files.

These classes are more inline w/ the the 0.20.0 MR idiom (and not unnecessary reduce, etc.).

Also fixed RowCounter so no longer an output dir.

Fixed tableinputformat so no longer need to specify columns (if no columns, then all columns).

Changed some of the util so it can take null classes.. sometimes need this (e.g. above imports/exports).

Please review.
Backup (Export/Import) contrib tool for 0.20

Key: HBASE-1684
Project: Hadoop HBase
Issue Type: New Feature
Components: contrib
Affects Versions: 0.20.0
Reporter: Jonathan Gray
Assignee: Jonathan Gray
Fix For: 0.20.1

Attachments:,, exportimport.patch, HBASE-1684-v1.patch,

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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groupdev @
categorieshbase, hadoop
postedJul 22, '09 at 10:04p
activeSep 24, '09 at 4:55p

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stack (JIRA): 18 posts



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