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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1923) Bulk incremental load into an existing table
Date Wed, 26 May 2010 06:54:37 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12871537#action_12871537
] 

HBase Review Board commented on HBASE-1923:
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Message from: "Ryan Rawson" <ryanobjc@gmail.com>

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This is an automatically generated e-mail. To reply, visit:
http://review.hbase.org/r/87/#review76
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src/main/java/org/apache/hadoop/hbase/io/hfile/HFile.java
<http://review.hbase.org/r/87/#comment396>

    this cant go here, HFile cannot know about KeyValues. It will go into StoreFile
    



src/main/java/org/apache/hadoop/hbase/io/hfile/HFile.java
<http://review.hbase.org/r/87/#comment397>

    you might also say the last key in the HFile means the last "KeyValue"



src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat.java
<http://review.hbase.org/r/87/#comment398>

    this won't work for an existing table - if the current time millis > the current sequence
id in the live server, we could end up losing edits during a log recovery


- Ryan






> Bulk incremental load into an existing table
> --------------------------------------------
>
>                 Key: HBASE-1923
>                 URL: https://issues.apache.org/jira/browse/HBASE-1923
>             Project: HBase
>          Issue Type: New Feature
>          Components: client, mapred, regionserver, scripts
>    Affects Versions: 0.21.0
>            Reporter: anty.rao
>            Assignee: Todd Lipcon
>         Attachments: hbase-1923-prelim.txt
>
>
> hbase-48 is about bulk load of a new table,maybe it's more practicable to bulk load aganist
a existing table.

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