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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16377) ServerName check is ineffective in region_mover.rb
Date Mon, 08 Aug 2016 21:32:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15412518#comment-15412518
] 

Ted Yu commented on HBASE-16377:
--------------------------------

{code}
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.hadoop:hadoop-maven-plugins:2.5.1:protoc
(compile-protoc) on project hbase-protocol: org.apache.maven.plugin.MojoExecutionException:
'protoc --version' did not return a version
{code}
Environment issue.

> ServerName check is ineffective in region_mover.rb
> --------------------------------------------------
>
>                 Key: HBASE-16377
>                 URL: https://issues.apache.org/jira/browse/HBASE-16377
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.1.2
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 16377.branch-1.v1.txt
>
>
> The following was observed during test of region_mover.rb :
> {code}
> 2016-08-08 11:17:05,341|beaver.machine|INFO|352|139926954637120|MainThread|2016-08-08
11:17:05,340 INFO  [RubyThread-9: hbase-client/bin/thread-pool.rb:28] region_mover: Moving
region  hbase:meta,,1.1588230740 (1 of 14) from xYz.openstacklocal,16020,1470654716593, to
server=xYz.openstacklocal,16020,1470654716593
> {code}
> There is check that target server should not be the same as current server:
> {code}
>     if currentServer and currentServer == servername
>       $LOG.info("Region " + r.getRegionNameAsString() + " (" + counter.to_s +
>         " of " + regions.length.to_s + ") already on target server=" + servername)
>       counter = counter + 1
>       next
>     end
> {code}
> However, the check is not effective.
> See comparison between object1 and object3:
> http://www.skorks.com/2009/09/ruby-equality-and-object-comparison/



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