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https://issues.apache.org/jira/browse/HDFS-5076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739152#comment-13739152
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Hadoop QA commented on HDFS-5076:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12597857/HDFS-5076.003.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 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
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:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/4819//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4819//console
This message is automatically generated.
> Create http servlets to enable querying NN's last applied transaction ID and
> most recent checkpoint's transaction ID
> --------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-5076
> URL: https://issues.apache.org/jira/browse/HDFS-5076
> Project: Hadoop HDFS
> Issue Type: New Feature
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Priority: Minor
> Attachments: HDFS-5076.001.patch, HDFS-5076.002.patch,
> HDFS-5076.003.patch
>
>
> Currently NameNode already provides RPC calls to get its last applied
> transaction ID and most recent checkpoint's transaction ID. It can be helpful
> to provide servlets to enable querying these information through http, so
> that administrators and applications like Ambari can easily decide if a
> forced checkpoint by calling saveNamespace is necessary.
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