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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12782) ITBLL fails for me if generator does anything but 5M per maptask
Date Fri, 30 Jan 2015 20:59:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14299219#comment-14299219
] 

stack commented on HBASE-12782:
-------------------------------

Good news is that this change is recent.  It is not in 0.94.  It came in here:

{code}
  43 commit 1c856e0774afd8e09ef68436cf57fc0aa61e974e
  44 Author: Enis Soztutar <enis@apache.org>
  45 Date:   Tue Dec 2 20:16:45 2014 -0800
  46
  47     HBASE-11099 Two situations where we could open a region with smaller sequence number
(Stephen Jiang)
{code}

and here

{code}
3b4688f HBASE-11099 Two situations where we could open a region with smaller sequence number
(Stephen Jiang)
kalashnikov-20:hbase.git.commit stack$ git show 3b4688f
commit 3b4688f9ee0fca0f3a65e245f3caa7e47699cad1
Author: tedyu <yuzhihong@gmail.com>
Date:   Thu Nov 20 14:44:08 2014 -0800

    HBASE-11099 Two situations where we could open a region with smaller sequence number (Stephen
Jiang)
{code}

I think it an innocent attempt at adding brackets around what was a one-liner only it changed
the evaluation.

It is in current 0.98 and in 1.0+

> ITBLL fails for me if generator does anything but 5M per maptask
> ----------------------------------------------------------------
>
>                 Key: HBASE-12782
>                 URL: https://issues.apache.org/jira/browse/HBASE-12782
>             Project: HBase
>          Issue Type: Bug
>          Components: integration tests
>    Affects Versions: 1.0.0, 0.98.9
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
>         Attachments: 12782.fix.txt, 12782.search.plus.archive.recovered.edits.txt, 12782.search.plus.txt,
12782.search.txt, 12782.unit.test.and.it.test.txt, 12782.unit.test.writing.txt, 12782v2.txt
>
>
> Anyone else seeing this?  If I do an ITBLL with generator doing 5M rows per maptask,
all is good -- verify passes. I've been running 5 servers and had one splot per server.  So
below works:
> HADOOP_CLASSPATH="/home/stack/conf_hbase:`/home/stack/hbase/bin/hbase classpath`" ./hadoop/bin/hadoop
--config ~/conf_hadoop org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList --monkey
serverKilling Generator 5 5000000 g1.tmp
> or if I double the map tasks, it works:
> HADOOP_CLASSPATH="/home/stack/conf_hbase:`/home/stack/hbase/bin/hbase classpath`" ./hadoop/bin/hadoop
--config ~/conf_hadoop org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList --monkey
serverKilling Generator 10 5000000 g2.tmp
> ...but if I change the 5M to 50M or 25M, Verify fails.
> Looking into it.



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