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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11845) HFile tool should implement Tool, disable blockcache by default
Date Tue, 09 Sep 2014 02:59:28 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14126506#comment-14126506

Enis Soztutar commented on HBASE-11845:

+1. Nick, let's get this in. 
Agreed with Andrew, maybe we should keep HFile main so that if any script is directly using
HFile it will still work. However, HFile.main() should just call HFPP.main directly instead
of what it does now so that Tool mechanics work. 

> HFile tool should implement Tool, disable blockcache by default
> ---------------------------------------------------------------
>                 Key: HBASE-11845
>                 URL: https://issues.apache.org/jira/browse/HBASE-11845
>             Project: HBase
>          Issue Type: Improvement
>          Components: HFile
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>            Priority: Minor
>             Fix For: 0.99.0, 2.0.0, 0.98.7
>         Attachments: HBASE-11845.00-0.98.patch, HBASE-11845.00.patch
> I tried using bin/hbase hfile in a memory-constrained environment. It crashed while trying
to instantiate a blockcache. Went to override the configuration and found I couldn't.
> Refactor HFile to remove main(), put implementation entirely in HFilePrettyPrinter. Said
class now extends Configured and implements Tool so configs can be overridden on cli. Also
disabled blockcache by default.

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