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Failed to rollback from hadoop-2.4.1 to hadoop 2.2.0 - Hadoop - [mail # user]
...Hi Expert,Below are my steps and is it a hadoop bug or did I miss any thing? Thanks!Step:[A] Upgrade1. Install Hadoop 2.2.0 cluster2. Stop Hadoop services3. Replace 2.2.0 binaries with 2.4.1...
   Author: sam liu, 2014-09-18, 06:38
[expand - 1 more] - Re: YARN ResourceManager Hostname in HA configuration - Hadoop - [mail # user]
...I observed in Yarn Cluster, you set these propertiesyarn.resourcemanager.hostname.rm-id1yarn.resourcemanager.hostname.rm-id2not yarn.resourcemanager.hostname.On 9/17/14, Matt Narrell  w...
   Author: Susheel Kumar Gadalay, 2014-09-18, 05:02
[expand - 5 more] - Re: In hindsight... Re: Thinking ahead to hadoop-2.6 - Hadoop - [mail # dev]
...There's actually an umbrella JIRA to track issues with JDK8(HADOOP-11090), in case anyone missed it.At LinkedIn we've been running our Hadoop 2.3 deployment on JDK8 forabout a month now with...
   Author: Travis Thompson, 2014-09-17, 22:34
[expand - 3 more] - Re: Map Reduce Job is reported as complete on history server while on console it shows as only half way thru - Hadoop - [mail # user]
...I don't see any hs_err file in the current directory , so I don't thinkthat is the case.On Wed, Sep 17, 2014 at 2:21 PM, S.L  wrote: ...
   Author: S.L, 2014-09-17, 19:12
Oops!, pushed 2 commits to trunk by mistake, just pushed their revert <eom/> - Hadoop - [mail # dev]
...Alejandro ...
   Author: Alejandro Abdelnur, 2014-09-17, 18:14
[expand - 1 more] - Re: ClassCastException on running map-reduce jobs + tests on Windows (mongo-hadoop) - Hadoop - [mail # user]
...You String as the outputKey (). java.lang.String is not Writable. Change itto Text just like you did for the Mapper.Regards,ShahabOn Wed, Sep 17, 2014 at 10:43 AM, Blanca Hernandez <[EMAI...
   Author: Shahab Yunus, 2014-09-17, 15:20
Data migration from hbase 0.90 to hbase 0.98 - Hadoop - [mail # user]
...Hello there,I’m wondering if anyone knows how to move tables in hbase 0.90 to hbase 0.98? I did export on hbase 0.90 and import to hbase 0.98. However it throws exception likejava.lang.Excep...
   Author: Y. Dong, 2014-09-17, 12:14
[expand - 1 more] - Re: hadoop cluster crash problem - Hadoop - [mail # user]
...virtualbox is known for causing instabilities in the host-kernel (or atleast, it used to). You might be better off asking for support there:https://www.virtualbox.org/wiki/Bugtracker- AndréO...
   Author: Andre Kelpe, 2014-09-17, 11:03
Scenarios of HDFS and HBase - Hadoop - [mail # user]
...Hi all,Can someone clarify typical scenarios of HDFS and HBase? Since Hiveprovides SQL-like query, does it mean Hive(bundled with HDFS) can replaceHBase just for query?  Also, if I want...
   Author: Blade Liu, 2014-09-17, 09:22
[expand - 2 more] - Re: DataNode not recognising available disk space - Hadoop - [mail # user]
...Hi Yusaku,Thank you for your reply, unfortunately that's not the problem - the newslave node has a single drive, so is using the default data directory path.I'll post this to the Ambari list...
   Author: Charles Robertson, 2014-09-17, 08:09
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