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Re: Best practice for storage of data that changes - Hadoop - [mail # user]
...Hi Jeff,  My two cents below:  1st use case: Append-only data - e.g. weblogs or user logins As others have already mentioned that Hadoop is suitable enough to store append only dat...
   Author: anil gupta, 2012-11-25, 21:11
Re: Broad question on sorting of mapper outputs. - Hadoop - [mail # user]
...Hi Jay,  AFAIK, when the MR does not have a reducer phase(i.e. no. of reducer=0) then the output from Mapper is not sorted.  HTH, Anil  On Fri, Oct 19, 2012 at 8:19 PM, Jay Vy...
   Author: anil gupta, 2012-10-24, 22:01
Re: Problem with one of teh datanodes - Hadoop - [mail # user]
...Hi Siddharth,  This is a very common error faced by users after formatting namenode. You need to clean up your dfs data directories across the cluster. This discussion will help you res...
   Author: anil gupta, 2012-09-09, 07:30
[expand - 5 more] - Re: HBase MasterNotRunningException - Hadoop - [mail # user]
...Sorry, I messed up my last email. Please ignore that.  In addition to Stack's suggestion, use DNS names instead of IP address in configuration of Hadoop and HBase. Its a bad idea to use...
   Author: anil gupta, 2012-08-30, 22:56
Re: Relevance of mapreduce.* configuration properties for MR V2 - Hadoop - [mail # user]
...Hi,  AFAIK, these properties are being ignored by YARN: - mapreduce.tasktracker.map.tasks.maximum, - mapreduce.tasktracker.reduce.tasks.maximum  Thanks, Anil Gupta   On Thu, A...
   Author: anil gupta, 2012-08-16, 16:40
Re: ***LIST MANAGER*** - Hadoop - [mail # user]
...Some people are ignorant and lazy!!  I think, "How to unsubscribe a mailing list??" should become one of the Career Cup/Interview question. Its really hard!!  On Wed, Aug 8, 2012 a...
   Author: anil gupta, 2012-08-09, 05:15
[expand - 1 more] - Re: unsubscribe - Hadoop - [mail # user]
...Hey Saniya,  At least read the email in which instruction are posted. You sent the email to wrong address.  To unsubscribe, you have to send a mail to [EMAIL PROTECTED] with subjec...
   Author: anil gupta, 2012-08-09, 05:11
[expand - 8 more] - Re: YARN Pi example job stuck at 0%(No MR tasks are started by ResourceManager) - Hadoop - [mail # user]
...Hi Harsh,  I created the following JIRA for NodeManager not reporting appropriate errors when NM Memory   Please let me know if anything else if required for the JIRA.  Thanks...
   Author: anil gupta, 2012-08-02, 23:25
[expand - 1 more] - Re: mapreduce.tasktracker.map.tasks.maximum property not working with YARN - Hadoop - [mail # user]
...Hi Folks,  I would appreciate if someone can share their views on the problem below. I am going to file a JIra for the same. If someone thinks that i am missing(or my conf is incorrect)...
   Author: anil gupta, 2012-08-02, 22:58
NodeStatusUpdaterImpl is stopped whenever a Yarn Job is Run. - Hadoop - [mail # user]
...Hi All,  I have a fully distributed hadoop-2.0.0 alpha cluster(cdh4). Each node in the cluster had 3.2 GB of RAM running on CentOS6.0. Since the memory in each node is less so i modifie...
   Author: anil gupta, 2012-07-31, 16:49
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