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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13373) Squash HFileReaderV3 together with HFileReaderV2 and AbstractHFileReader; ditto for Scanners and BlockReader, etc.
Date Fri, 03 Apr 2015 05:28:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14394079#comment-14394079

Hadoop QA commented on HBASE-13373:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against master branch at commit d8b10656d00779e194c3caca118995136babce99.
  ATTACHMENT ID: 12709169

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 65 new or modified

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/13549//console

This message is automatically generated.

> Squash HFileReaderV3 together with HFileReaderV2 and AbstractHFileReader; ditto for Scanners
and BlockReader, etc.
> ------------------------------------------------------------------------------------------------------------------
>                 Key: HBASE-13373
>                 URL: https://issues.apache.org/jira/browse/HBASE-13373
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>            Assignee: stack
>         Attachments: 0001-HBASE-13373-Squash-HFileReaderV3-together-with-HFile.patch,
13373.txt, 13373.v3.txt, 13373.v3.txt, 13373.v5.txt, 13373.v6.txt, 13373.v6.txt, 13373.v6.txt,
13373.v6.txt, 13373.wip.txt
> Profiling I actually ran into case where complaint that could not inline because:
> MaxInlineLevel maximum number of nested calls that are inlined 9 intx
> i.e. method was more than 9 levels deep.
> The HFileReaderV? with Abstracts is not needed anymore now we are into the clear with
V3 enabled since hbase 1.0.0; we can have just an Interface and an implementation.  If we
need to support a new hfile type, can hopefully do it in a backward compatible way now we
have Cell Interface, etc.
> Squashing all this stuff together actually makes it easier figuring what is going on
when reading code. I can also get rid of a bunch of duplication too.
> Attached is a WIP. Doesn't fully compile yet but you get the idea.
> I'll keep on unless objection. Will try it against data written with old classes as soon
as I have something working. I don't believe we write classnames into our data.

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