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From "Victor Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-13985) Add configuration to skip validating HFile format when bulk loading millions of HFiles
Date Mon, 29 Jun 2015 06:41:05 GMT

     [ https://issues.apache.org/jira/browse/HBASE-13985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Victor Xu updated HBASE-13985:
------------------------------
    Attachment: HBASE-13985-v2.patch

Change the comment for visitBulkHFiles().

> Add configuration to skip validating HFile format when bulk loading millions of HFiles
> --------------------------------------------------------------------------------------
>
>                 Key: HBASE-13985
>                 URL: https://issues.apache.org/jira/browse/HBASE-13985
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.98.13
>            Reporter: Victor Xu
>            Assignee: Victor Xu
>            Priority: Minor
>              Labels: regionserver
>             Fix For: 0.98.14
>
>         Attachments: HBASE-13985-v2.patch, HBASE-13985.patch
>
>
> When bulk loading millions of HFile into one HTable, checking HFile format is the most
time-consuming phase. Maybe we could use a parallel mechanism to increase the speed, but when
it comes to millions of HFiles, it may still cost dozens of minutes. So I think it's necessary
to add an option for advanced user to bulkload without checking HFile format at all. 
> Of course, the default value of this option should be true.



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