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[MAPREDUCE-6015] Make MR ApplicationMaster disable loading user's jars firstly - MapReduce - [issue]
...In most cases, we want to use -Dmapreduce.user.classpath.first=true to pick user's jars ahead of hadoop system's jars, which can make tasks run based upon the customized environment under th...
http://issues.apache.org/jira/browse/MAPREDUCE-6015    Author: Bing Jiang, 2014-08-04, 11:40
[MAPREDUCE-5980] filter empty string in the libjars when submitting jobs - MapReduce - [issue]
...-libjars is used to upload jars into hdfs when submitting jobs. If there is empty string between two comma, the copying processing will try to copy all the subdirs/files under current direct...
http://issues.apache.org/jira/browse/MAPREDUCE-5980    Author: Bing Jiang, 2014-07-21, 07:19
[MAPREDUCE-5782] Sort Use TableOrderPartitioner cannot find the path of _partition.lst int the container cwd. - MapReduce - [issue]
...hadoop jar hadoop-mapreduce-examples.jar sort sort  \-inFormat org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat \         -outFormat org.apache.had...
http://issues.apache.org/jira/browse/MAPREDUCE-5782    Author: Bing Jiang, 2014-03-07, 06:57
Re: What makes a map to fail? - MapReduce - [mail # user]
...        Whether to enable log aggregation           yarn.log-aggregation-enable               true   &nbs...
   Author: Bing Jiang, 2014-01-07, 08:35
Re: issue about running hive MR job in hadoop - MapReduce - [mail # user]
...Could you check your yarn-local directory authority? From the diagnosis, error occurs at mkdir in local directory. I guess something wrong with  local direcotry which is set as yarn loc...
   Author: Bing Jiang, 2014-01-03, 07:52
Re: Is there any design document for YARN - MapReduce - [mail # user]
...socc 2013 has published a paper about Yarn. On Nov 26, 2013 1:34 PM, "Jeff Zhang"  wrote:  ...
   Author: Bing Jiang, 2013-11-29, 01:10
Re: best solution for data ingestion - MapReduce - [mail # user]
...Apache Pig is also a solution for data ingest, which gives more flexible in functionality and more efficient in development.  Regards. Bing  2013/11/2 Marcel Mitsuto F. S.   &...
   Author: Bing Jiang, 2013-11-04, 09:34
Re: trace class calls in hadoop hdfs - MapReduce - [mail # user]
...I think you can try to use jdb, which exists in $JAVA_HOME/bin.  Regards Bing   2013/11/4 Karim Awara       Bing Jiang Tel:(86)134-2619-1361 weibo: http://weibo.com/...
   Author: Bing Jiang, 2013-11-04, 09:28
Re: produce a large sequencefile (1TB) - MapReduce - [mail # user]
...Hi Jerry,  I think whether it is acceptable to set multiple reducers to generate more MapFile(IndexFile, DataFile)s.  I want to know the real difficulties of multiply reducer to po...
   Author: Bing Jiang, 2013-08-20, 02:55
Re: Removing Dead Nodes from Cluster - MapReduce - [mail # user]
...Firstly, edit hdfs-site.xml; hdfs-site.xml:        dfs.hosts.exclude     /path/to/exclude_dn_list     Then, hdfs dfsadmin -refreshNodes   2013/8/...
   Author: Bing Jiang, 2013-08-19, 11:13
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