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Date: Fri, 3 Apr 2015 05:14:53 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12787221.1427851936000.115381.1428038093202@Atlassian.JIRA>
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 <JIRA.12787221.1427851936978@arcas>
Subject: [jira] [Commented] (HBASE-13373) Squash HFileReaderV3 together with
 HFileReaderV2 and AbstractHFileReader; ditto for Scanners and BlockReader,
 etc.
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    [ https://issues.apache.org/jira/browse/HBASE-13373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14394071#comment-14394071 ] 

stack commented on HBASE-13373:
-------------------------------

Says these hung:

Failing test : org.apache.hadoop.hbase.master.TestDistributedLogSplitting
Failing test : org.apache.hadoop.hbase.replication.TestReplicationEndpoint

Seem fairly random. Tried locally and pass for me.

Any +1s out there?


> 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.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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