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From "Mikhail Bautin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3857) Change the HFile Format
Date Mon, 27 Jun 2011 23:35:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056201#comment-13056201

Mikhail Bautin commented on HBASE-3857:

@Stack: no separate migration is needed to go from HFile v1 to HFile v2, because the new code
can read both formats. What we are concerned about is that if we deploy HFile v2 in production
and then get review comments that require a format change, we might have to migrate from HFile-v2-as-it-currently-is
to HFile-v2-final-with-all-comments-addressed.

> Change the HFile Format
> -----------------------
>                 Key: HBASE-3857
>                 URL: https://issues.apache.org/jira/browse/HBASE-3857
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Liyin Tang
>            Assignee: Mikhail Bautin
>         Attachments: hfile_format_v2_design_draft_0.1.pdf, hfile_format_v2_design_draft_0.3.pdf
> In order to support HBASE-3763 and HBASE-3856, we need to change the format of the HFile.
The new format proposal is attached here. Thanks for Mikhail Bautin for the documentation.

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