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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11790) leveldb usage should be disabled by default or smarter about platforms
Date Fri, 22 Jul 2016 23:53:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390381#comment-15390381
] 

Allen Wittenauer commented on HADOOP-11790:
-------------------------------------------

OK, this problem is way worse than just test cases failing. (Although that bit does make it
particularly hard to run nightlies on the ASF PowerPC box.)

leveldb is starting to go into several key bits of Apache Hadoop, especially in YARN.

Raising the priority of this, because this makes Hadoop pretty much unusable out of the box
without building your own leveldb library and getting  java.library.path set appropriately.
 

Right now, the known breakage is:

* NodeManager
* Timeline Server
* HDFS OIV
* ResourceManager
* JHS

So primarily YARN.

> leveldb usage should be disabled by default or smarter about platforms
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-11790
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11790
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>         Environment: * any non-x86
> * any OS that isn't Linux, OSX, Windows
>            Reporter: Ayappan
>            Priority: Critical
>
> The leveldbjni artifact in maven repository has been built for only x86 architecture.
Due to which some of the testcases are failing in PowerPC. The leveldbjni community has no
plans to support other platforms [ https://github.com/fusesource/leveldbjni/issues/54 ]. Right
now , the approach is we need to locally built leveldbjni prior to running hadoop testcases.
Pushing a PowerPC-specific leveldbjni artifact in central maven repository and making pom.xml
to pickup it up while running in PowerPC is another option but i don't know whether this is
a suitable one . Any other alternative/solution is there ?



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