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Re: One NameNode keeps Rolling Edit Log on HDFS Federation - MapReduce - [mail # user]
...I think you mixed federation with HA. am I right?  If another name node hasn't changes, then It doesn't do any edit log rolling. federated NNs don't keep concurrency( I think you want s...
   Author: Azuryy Yu, 2013-02-25, 02:40
Re: MapReduce processing with extra (possibly non-serializable) configuration - MapReduce - [mail # user]
...I just have one simple suggestion for you: writer an customer split to replace FileSplit, include all your special configurations in this split. then write a custom InputFormat.  during...
   Author: Azuryy Yu, 2013-02-22, 01:57
Re: compile hadoop-2.0.x - MapReduce - [mail # user]
...it indicates 'cannot find com.google.protobuf ' On Feb 21, 2013 7:38 PM, "Ted"  wrote:  ...
   Author: Azuryy Yu, 2013-02-21, 13:51
Re: Yarn JobHistory service - MapReduce - [mail # user]
...In mapred-site.xml:       mapreduce.jobhistory.address    YOUR_HOST:10020         mapreduce.jobhistory.webapp.address    YOUR_HOST:1988...
   Author: Azuryy Yu, 2013-02-21, 01:12
Re: Hadoop-2.0.3 HA and federation configure - MapReduce - [mail # user]
...Sorry all, I maybe get the answer because I didn't read doc carefully.  clustera is for n1, n2 clusterb is for n3,n4  so the following configuration would be answer my question, do...
   Author: Azuryy Yu, 2013-02-16, 05:29
upgrade to hadoop-2.0.2-alpha - MapReduce - [mail # user]
...Hi,  I upgrade from hadoop-1.0.4 to 2.0.2-alpha,  my command:  start-dfs.sh -upgrade -clusterId  mycluster  I can upgrade successfully, but clusterId sounds like be ...
   Author: Azuryy Yu, 2013-02-08, 01:37
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