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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6584) Add HiveHBaseTableSnapshotInputFormat
Date Sun, 01 Oct 2017 04:29:02 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187279#comment-16187279
] 

Lefty Leverenz commented on HIVE-6584:
--------------------------------------

Doc note:  Configuration parameters *hive.hbase.snapshot.name* and *hive.hbase.snapshot.restoredir*
need to be documented in the wiki.

* [Configuration Properties -- HBase Storage Handler | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-HBaseStorageHandler]
* [Hive HBase Integration | https://cwiki.apache.org/confluence/display/Hive/HBaseIntegration]

> Add HiveHBaseTableSnapshotInputFormat
> -------------------------------------
>
>                 Key: HIVE-6584
>                 URL: https://issues.apache.org/jira/browse/HIVE-6584
>             Project: Hive
>          Issue Type: Improvement
>          Components: HBase Handler
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>              Labels: TODOC14
>             Fix For: 0.14.0
>
>         Attachments: HIVE-6584.0.patch, HIVE-6584.10.patch, HIVE-6584.11.patch, HIVE-6584.12.patch,
HIVE-6584.13.patch, HIVE-6584.14.patch, HIVE-6584.1.patch, HIVE-6584.2.patch, HIVE-6584.3.patch,
HIVE-6584.4.patch, HIVE-6584.5.patch, HIVE-6584.6.patch, HIVE-6584.7.patch, HIVE-6584.8.patch,
HIVE-6584.9.patch
>
>
> HBASE-8369 provided mapreduce support for reading from HBase table snapsopts. This allows
a MR job to consume a stable, read-only view of an HBase table directly off of HDFS. Bypassing
the online region server API provides a nice performance boost for the full scan. HBASE-10642
is backporting that feature to 0.94/0.96 and also adding a {{mapred}} implementation. Once
that's available, we should add an input format. A follow-on patch could work out how to integrate
this functionality into the StorageHandler, similar to how HIVE-6473 integrates the HFileOutputFormat
into existing table definitions. 



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