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Re: multiusers in hadoop through LDAP - MapReduce - [mail # user]
...Hi  Thanks a lot for your replies.   I will try the LDAP+hadoop.security.group.mapping.ldap.*. Right now I can not catch this question.   Regards.   2013/12/11 Jay Vyas &...
   Author: YouPeng Yang, 2013-12-11, 08:21
[expand - 2 more] - Re: Can not auto-failover when unplug network interface - MapReduce - [mail # user]
...Hi Yu     I think when unplug the nic ,the ssh could not make through because it can not connect to  failed  active NN. Suppose that ,the sshfence will failed.   &nb...
   Author: YouPeng Yang, 2013-12-03, 02:46
[expand - 1 more] - Re: auto-failover does not work - MapReduce - [mail # user]
...Hi    Thanks for your reply. It works.    Formerly, I setup the ssh with a passwd,and before start-dfs.sh or stop-dfs.sh ,it needs to enter password once by enter  s...
   Author: YouPeng Yang, 2013-12-02, 13:59
Nodeid is null during nodemanager starting up - MapReduce - [mail # user]
...Hi    A info log gets my notation. 2013-11-19 11:05:16,222 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Initialized nodemanager for null: physical-memory=8...
   Author: YouPeng Yang, 2013-11-19, 03:39
[expand - 1 more] - Re: DefaultResourceCalculator ClassNotFoundException - MapReduce - [mail # user]
...Hi Omkar   Thanks,It works . Early I just copy all the configuration  files of the 2.0.5.alpha into my 2.2.0 conf. And I just change the yarn-site.xml . Now,after I setup the prope...
   Author: YouPeng Yang, 2013-11-19, 02:02
questions about Registered UNIX signal handlers for [TERM, HUP, INT] - MapReduce - [mail # user]
...Hi  again    At the tips of my namenode(hadoop-2.2.0) log,it is :   13/11/15 10:03:38 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]   ...
   Author: YouPeng Yang, 2013-11-15, 03:44
Why journalnode need to reformat when upgrade - MapReduce - [mail # user]
...Hi all     A info log  got my questions :  13/11/15 10:03:40 INFO namenode.FSNamesystem: Finished loading FSImage in 261 msecs Re-format filesystem in QJM to [10.7.23.122...
   Author: YouPeng Yang, 2013-11-15, 02:44
jvm fatal error when I kill my namenode after upgrade - MapReduce - [mail # user]
...Hi users      I'm do the upgrade testing in my test enviroments.     HA is enabled,and after upgrading  the active namenode and the datanode, It can not to &nbs...
   Author: YouPeng Yang, 2013-11-15, 02:38
NoClassDefFoundError in eclipse plugin - MapReduce - [mail # user]
...Hi    I'm building a eclipse plugin  for the hadoop-2.2.0.   It come out an NoClassDefFoundError[1] exception even I have put the jar in the classpath.  Would  ...
   Author: YouPeng Yang, 2013-11-14, 15:25
Upgrade with HA enabled - MapReduce - [mail # user]
...Hi   I am doing the upgrade test from 2.0.5.alpha to 2.2.0.   On the original 2.0.5.alpha ,I have enable the HA,and when I do the upgrade ,It comes out an exception[1]:   So w...
   Author: YouPeng Yang, 2013-11-14, 08:39
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