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issure about output of "hdfs dfsadmin -metasave" - Hadoop - [mail # user]
...hi,all:  i dump the info to a file use  # hdfs dfsadmin -metasave mysave Created metasave file mysave in the log directory of namenode hdfs://CH22:9000 # find /var -name 'mysave' /...
   Author: ch huang, 2013-09-09, 09:11
" No FileSystem for scheme: hdfs " in namenode HA - Hadoop - [mail # user]
...hi,all i setup namenode HA hadoop cluster  and write some demo code  import java.io.FileNotFoundException; import java.io.IOException; import java.net.URI; import org.apache.hadoop...
   Author: ch huang, 2013-08-16, 06:33
if i use MPv1 api write job ,can i track it on web ui http://resourcemanager:8088 ? - Hadoop - [mail # user]
...ATT...
   Author: ch huang, 2013-08-14, 07:33
distcp can not use in yarn?? - Hadoop - [mail # user]
...i use yarn ,and i try distcp tool ,it can not work normal,why?  # hadoop distcp -p -m 100 -update -skipcrccheck -log /distcp /alex /carl /distcp 13/08/14 14:17:02 INFO tools.DistCp: src...
   Author: ch huang, 2013-08-14, 06:19
Re: issue about try lzo in hadoop - Hadoop - [mail # user]
...i installed hadoop-0.20-mapreduce-2.0.0+1357-1.cdh4.3.0.p0.21.el6.x86_64,and now ok, question is test code use MRV1,not YARN?   On Tue, Aug 6, 2013 at 3:27 PM, Sandeep Nemuri  wrot...
   Author: ch huang, 2013-08-06, 08:22
some questions about HA and secondary name node - Hadoop - [mail # user]
...hi,all :   i have two questions ,hope any one can answer for me 1, if i use 2name nodes for HA ,the secondary name node still need? 2,the secondary name node use to merge fsimage and ed...
   Author: ch huang, 2013-07-31, 01:33
datanode can not start - Hadoop - [mail # user]
...i have running old cluster datanode,so it exist some conflict, i changed default port, here is my hdfs-site.xml                       &...
   Author: ch huang, 2013-06-26, 09:43
master node abnormal ,help - Hadoop - [mail # user]
...when i start master node ,it not work,anyone can help?  2013-06-26 17:17:52,552 INFO org.apache.hadoop.hbase.master.ActiveMasterManager: Master=CH22:60000 2013-06-26 17:17:52,859 DEBUG ...
   Author: ch huang, 2013-06-26, 09:21
if i changed zookeeper port ,how can i let my hbase know the port? - Hadoop - [mail # user]
...i change zookeeper from 2181 to 2281,it cause hbase region server auto-closed after it start for a while any one can help?...
   Author: ch huang, 2013-06-26, 09:09
region server can not start - Hadoop - [mail # user]
...i change zookeeper port from 2181 to 2281 , region server can not start  2013-06-26 16:57:00,003 INFO org.apache.zookeeper.ZooKeeper: Initiating client connection, connectString=CH22:21...
   Author: ch huang, 2013-06-26, 08:59
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