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https://issues.apache.org/jira/browse/HBASE-14706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981961#comment-14981961
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Hadoop QA commented on HBASE-14706:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12769688/HBASE-14706-trunk_v2.patch
against master branch at commit bdf11be6af046e99cff9985968903d983d7ff10f.
ATTACHMENT ID: 12769688
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 2 new
or modified tests.
{color:green}+1 hadoop versions{color}. The patch compiles with all
supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.6.1 2.7.0
2.7.1)
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 protoc{color}. The applied patch does not increase the
total number of protoc compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 checkstyle{color}. The applied patch does not increase the
total number of checkstyle errors
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 lineLengths{color}. The patch does not introduce lines
longer than 100
{color:green}+1 site{color}. The mvn post-site goal succeeds with this patch.
{color:red}-1 core tests{color}. The patch failed these unit tests:
org.apache.hadoop.hbase.master.balancer.TestRegionLocationFinder
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/16297//testReport/
Release Findbugs (version 2.0.3) warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/16297//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors:
https://builds.apache.org/job/PreCommit-HBASE-Build/16297//artifact/patchprocess/checkstyle-aggregate.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/16297//console
This message is automatically generated.
> RegionLocationFinder should return multiple servername by top host
> ------------------------------------------------------------------
>
> Key: HBASE-14706
> URL: https://issues.apache.org/jira/browse/HBASE-14706
> Project: HBase
> Issue Type: Bug
> Components: Balancer
> Affects Versions: 2.0.0, 1.2.0, 1.3.0
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Fix For: 2.0.0
>
> Attachments: HBASE-14706-trunk_v1.patch, HBASE-14706-trunk_v2.patch,
> HBASE-14706.patch
>
>
> Multiple RS can run on the same host. But in current RegionLocationFinder,
> mapHostNameToServerName map one host to only one server. This will make
> LocalityCostFunction get wrong locality about region.
> {code}
> // create a mapping from hostname to ServerName for fast lookup
> HashMap<String, ServerName> hostToServerName = new HashMap<String,
> ServerName>();
> for (ServerName sn : regionServers) {
> hostToServerName.put(sn.getHostname(), sn);
> }
> {code}
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