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https://issues.apache.org/jira/browse/HDFS-13822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16579892#comment-16579892
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Allen Wittenauer commented on HDFS-13822:
-----------------------------------------

As reported by the qbt nightly runs, be aware that ctests for libhdfspp have 
been broken since ~ June 29th.  Likely caused by one of:

{code}
[Jun 28, 2018 5:37:22 AM] (aajisaka) HADOOP-15495. Upgrade commons-lang version 
to 3.7 in
[Jun 28, 2018 5:58:40 AM] (aajisaka) HADOOP-14313. Replace/improve Hadoop's 
byte[] comparator. Contributed by
[Jun 28, 2018 6:39:33 AM] (aengineer) HDDS-195. Create generic CommandWatcher 
utility. Contributed by Elek,
[Jun 28, 2018 4:21:56 PM] (Bharat) HDFS-13705:The native ISA-L library loading 
failure should be made
[Jun 28, 2018 4:39:49 PM] (eyang) YARN-8409.  Fixed NPE in 
ActiveStandbyElectorBasedElectorService.       
[Jun 28, 2018 5:23:31 PM] (sunilg) YARN-8379. Improve balancing resources in 
already satisfied queues by
[Jun 28, 2018 10:41:39 PM] (nanda) HDDS-185: 
TestCloseContainerByPipeline#testCloseContainerViaRatis fail
[Jun 28, 2018 11:07:16 PM] (nanda) HDDS-178: DN should update transactionId on 
block delete. Contributed by
{code}

So be sure your failures are actually related to the patch.

> speedup libhdfs++ build (enable parallel build)
> -----------------------------------------------
>
>                 Key: HDFS-13822
>                 URL: https://issues.apache.org/jira/browse/HDFS-13822
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Pradeep Ambati
>            Priority: Minor
>         Attachments: HDFS-13382.000.patch
>
>
> libhdfs++ has significantly increased clean build times for the native client 
> on trunk. Problem is that libhdfs++ isn't build in parallel. When I tried to 
> force a parallel build by specifying -Dnative_make_args=-j4, the build fails 
> due to dependencies.



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