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hadoop imbalanced topology - MapReduce - [mail # user]
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...Hi, Is it right that hadoop Network Topology design treat an imbalanced topology as an invalid topology? This is mentioned here https://issues.apache.org/jira/browse/MAPREDUCE-40...
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Author: Jameson Li,
2013-01-28, 15:29
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copy data from hadoop-0.20-append to cdh3 - MapReduce - [mail # user]
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...Hi, I have a question: Is there an existing tools that I can use to copy data from hadoop-0.20-append to cdh3(cross datacenter), like Continuous Copier in facebook(As I know, it is not...
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Author: Jameson Li,
2012-11-12, 10:45
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Re: removing datanodes from clustes. - MapReduce - [mail # user]
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...just create *exclude files* and update the conf file and refreshNodes will be OK. 专注于Mysql,MSSQL,Oracle,Hadoop 2012/9/12 ...
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Author: Jameson Li,
2012-09-13, 07:31
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Re: rack topology data update - MapReduce - [mail # user]
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...Hi Harsh J, Viji R, Saurabh bhutyani, Thanks for all of yours replying. But really the namenode not refresh the rack info. Is my hadoop version issue? My ...
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Author: Jameson Li,
2012-09-13, 07:19
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Re: rack topology data update - MapReduce - [mail # user]
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...Hi harsh, I have followed your suggestion operation. 1, stop the new datanode.(I have modified the topology file in the namenode before.) 2, run 'hadoop dfsadmin -refreshNodes' o...
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Author: Jameson Li,
2012-09-13, 05:51
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rack topology data update - MapReduce - [mail # user]
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...Our hadoop version is hadoop-0.20-append+4. We have configured the rack awareness in the namenode. But when I add new datanode, and update the topology data file, and restart the datan...
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Author: Jameson Li,
2012-09-13, 03:03
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Re: configure hadoop-0.22 fairscheduler - MapReduce - [mail # user]
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...Hi Harsh, Thanks for your reply. And I am sorry for my unclear description. As I mentioned previous, I think I configured the fairsheduler correctly in hadoop-0.22.0. But w...
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Author: Jameson Li,
2012-09-11, 08:21
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configure hadoop-0.22 fairscheduler - MapReduce - [mail # user]
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...I want to test version hadoop-0.22. But when configurate the fairescheduler, I have some troublesome. The fairscheduler is not efficient. And I have configured this items in the mapred-site....
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Author: Jameson Li,
2012-09-06, 09:17
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Re: avoid assigning hbase-access-operatation map/reduce slot to the tasktracker? - MapReduce - [mail # user]
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...Hello, To Harsh J : I am sorry that I had said a wrong description. I have not configured the hbase-env.sh to "HBASE_MANAGES_ZK=true", and its really configuration is "#HBASE_MANAGES_Z...
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Author: Jameson Li,
2011-03-22, 02:45
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avoid assigning hbase-access-operatation map/reduce slot to the tasktracker? - MapReduce - [mail # user]
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...Hello, I have a hadoop cluster that has 10 nodes. I use both of the hdfs/mapred(0.20.2) and the hbase(0.20.6). Every node is both of a datanode and a tasktracker. But I just configured...
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Author: Jameson Li,
2011-03-21, 11:30
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