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Re: hadoop 2.4 using Protobuf - How does downgrade back to 2.3 works ? - Hadoop - [mail # user]
...just stop your cluster, then start your HDFS with '-rollback'. but it'sonly if you don't finalize HDFS upgrade using command line.On Fri, Oct 17, 2014 at 8:15 AM, Manoj Samel wrote: ...
   Author: Azuryy Yu, 2014-10-17, 09:49
Re: how to copy data between two hdfs cluster fastly? - Hadoop - [mail # user]
...Did you specified how many map tasks?On Fri, Oct 17, 2014 at 4:58 PM, ch huang  wrote: ...
   Author: Azuryy Yu, 2014-10-17, 09:47
[expand - 1 more] - Re: C++ development framework under Hadoop - Hadoop - [mail # user]
...yes. it always supports hadoop pipe in v2.On Wed, Oct 15, 2014 at 11:33 AM, Y Z  wrote: ...
   Author: Azuryy Yu, 2014-10-15, 03:39
[expand - 1 more] - Re: Datanode volume full, but not moving to free volume - Hadoop - [mail # user]
...yes, all blockpool directory names are all same is expected if you don'tconfigure HDFS federation.On Wed, Oct 8, 2014 at 7:39 PM, Brian C. Huffman <[EMAIL PROTECTED]> wrote: ...
   Author: Azuryy Yu, 2014-10-09, 01:15
Re: ETL using Hadoop - Hadoop - [mail # user]
...Hi Moin,Yes, you can replace your ETL using hadoop. but it would be a big change. such as data collection, pre-process, ETL tasks rewrite etc.I don't think there is .NET API in Hadoop.O...
   Author: Azuryy Yu, 2014-10-08, 06:41
Re: Why I cannot delete all the nameNode metadata? - Hadoop - [mail # user]
...To make sure your dfs.namenode.name.dir is by default.then, how did you find /user exists? hdfs dfs -ls ? or you checkeddfs.datanode.data.dir? if the latter, then don't worry.On Wed, Oc...
   Author: Azuryy Yu, 2014-10-08, 04:07
Re: Datanode disk considerations - Hadoop - [mail # user]
...I think Brian gave the answer.On Tue, Oct 7, 2014 at 9:13 PM, Brian C. Huffman <[EMAIL PROTECTED]> wrote: ...
   Author: Azuryy Yu, 2014-10-08, 03:26
Re: Failed to rollback from hadoop-2.4.1 to hadoop 2.2.0 - Hadoop - [mail # user]
...yes, this is an issue, I also found that. can you please file an issue?On Sun, Sep 21, 2014 at 12:08 PM, sam liu  wrote: ...
   Author: Azuryy Yu, 2014-09-26, 08:47
Re: Realtime sensor's tcpip data to hadoop - Hadoop - [mail # user]
...Hi Alex,you can try Apache Flume.On Wed, May 7, 2014 at 10:48 AM, Alex Lee  wrote: ...
   Author: Azuryy Yu, 2014-05-16, 14:43
[expand - 1 more] - Re: Change Yarn webUI time format - Hadoop - [mail # user]
...resolved, I've filed a JIRA for this.https://issues.apache.org/jira/browse/YARN-1998On Tue, Apr 29, 2014 at 6:46 PM, Azuryy Yu  wrote: ...
   Author: Azuryy Yu, 2014-04-30, 02:02
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