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https://issues.apache.org/jira/browse/HDFS-5548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13829553#comment-13829553
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Hadoop QA commented on HDFS-5548:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12615193/HDFS-5548.000.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:red}-1 javadoc{color}. The javadoc tool appears to have generated
-2 warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-common-project/hadoop-nfs:
org.apache.hadoop.portmap.TestPortmap
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/5534//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5534//console
This message is automatically generated.
> Use ConcurrentHashMap in portmap
> --------------------------------
>
> Key: HDFS-5548
> URL: https://issues.apache.org/jira/browse/HDFS-5548
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HDFS-5548.000.patch
>
>
> Portmap uses a HashMap to store the port mapping. It synchronizes the access
> of the hash map by locking itself. It can be simplified by using a
> ConcurrentHashMap.
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