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Re: Writing intermediate key,value pairs to file and read it again - MapReduce - [mail # user]
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...you would look at chain reducer java doc, which meet your requirement. On Apr 20, 2013 11:43 PM, "Vikas Jadhav" wrote: ...
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Author: Azuryy Yu,
2013-04-21, 04:23
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when to hadoop-2.0 stable release - MapReduce - [mail # user]
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...I don't think this is easy to answer. maybe it's not decided. if so, can you tell me what important features are still deveoping or any other reasons? Appreciate....
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Author: Azuryy Yu,
2013-04-19, 08:59
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Re: Physically moving HDFS cluster to new - MapReduce - [mail # user]
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...Data nodes name or IP changed cannot cause your data loss. only kept fsimage(under the namenode.data.dir) and all block data on the data nodes, then everything can be recoveryed when y...
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Author: Azuryy Yu,
2013-04-18, 04:38
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Re: 答复: 答复: 答复: 答复: 答复: Region has been CLOSING for too long, this should eventually complete or the server will expire, send RPC again - MapReduce - [mail # user]
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...I cannot find any useful information from pasted logs. On Tue, Apr 16, 2013 at 11:22 AM, dylan wrote: ...
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Author: Azuryy Yu,
2013-04-16, 03:47
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Re: 答复: 答复: 答复: 答复: Region has been CLOSING for too long, this should eventually complete or the server will expire, send RPC again - MapReduce - [mail # user]
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...then, can you find zookeeper log under zookeeper_home/zookeeper.out ? On Tue, Apr 16, 2013 at 11:04 AM, dylan wrote: ...
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Author: Azuryy Yu,
2013-04-16, 03:12
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Re: 答复: 答复: 答复: Region has been CLOSING for too long, this should eventually complete or the server will expire, send RPC again - MapReduce - [mail # user]
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...did your hbase managed zookeeper? or did you set export HBASE_MANAGES_ZK=false in the hbase-env.sh? if not, then that's zookeeper port conflicted. On Tue, Apr 16, 2013 at 10:55 ...
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Author: Azuryy Yu,
2013-04-16, 02:58
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Re: 答复: Region has been CLOSING for too long, this should eventually complete or the server will expire, send RPC again - MapReduce - [mail # user]
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...This is zookeeper issue. please paste zookeeper log here. thanks. On Tue, Apr 16, 2013 at 9:58 AM, dylan wrote: ...
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Author: Azuryy Yu,
2013-04-16, 02:01
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Re: jobtracker not starting - access control exception - folder not owned by me (it claims) - MapReduce - [mail # user]
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...I supposed you start-mapred by user mapred. then hadoop fs -chown -R mpared:mapred /home/jbu/hadoop_local_install/ hadoop-1.0.4/tmp/mapred/system this is caused by fairscheduler,...
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Author: Azuryy Yu,
2013-04-15, 10:48
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Re: A question of QJM with HDFS federation - MapReduce - [mail # user]
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...Hi Harsh, If they are two separate cluster, instead of federated, haing the same cluster ID, but using different name service ID, so can they use the same journal nodes and ZK nodes? &...
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Author: Azuryy Yu,
2013-04-15, 03:30
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Re: Mapper always hangs at the same spot - MapReduce - [mail # user]
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...agree. just check your app. or paste map code here. On Apr 14, 2013 4:08 AM, "Edward Capriolo" wrote: ...
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Author: Azuryy Yu,
2013-04-14, 00:20
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