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[expand - 1 more] - Re: Reduce task hang[EMERGENCE] - Hadoop - [mail # user]
...Add addtional:  Our MR version is 1.2.1, not 1.0.4  There is no useful information in the JT log.   On Fri, Jan 3, 2014 at 12:20 PM, Azuryy Yu  wrote:  ...
   Author: Azuryy Yu, 2014-01-03, 04:24
Re: real time analytics on hadoop using spark or storm - Hadoop - [mail # user]
...spark streaming is a mini job, which can update every 150ms, but storm is long live process.  On 2013-12-07 9:12 AM, "Jay Vyas"  wrote:  ...
   Author: Azuryy Yu, 2013-12-07, 01:27
Re: Perfect configuration setting - Hadoop - [mail # user]
...Hi Sandy, I think there are some permission limited on your shared URL. maybe only Cloudera employees allowed.   On Tue, Dec 3, 2013 at 4:26 PM, Sandy Ryza  wrote:  ...
   Author: Azuryy Yu, 2013-12-04, 01:46
Re: how to prevent JAVA HEAP OOM happen in shuffle process in a MR job? - Hadoop - [mail # user]
...Hi Jay, Can you point out a detail about 1.x that job tracker having an ever-expanding hash map. I want fix it.   On Tue, Dec 3, 2013 at 3:08 AM, Jay Vyas  wrote:  ...
   Author: Azuryy Yu, 2013-12-04, 01:38
Re: Write Access Denied in hdfs - Hadoop - [mail # user]
...I cannot open you shared URL.  but if you write or create file by user A under a HDFS path , which is not created by user A, then it's permission failed. one solution is 'hdfs fs -chown...
   Author: Azuryy Yu, 2013-12-03, 10:03
Re: issue about hadoop hardware choose - Hadoop - [mail # user]
...if you want HA, then do you want to deploy journal node on the DN? On Aug 8, 2013 5:09 PM, "ch huang"  wrote:  ...
   Author: Azuryy Yu, 2013-08-08, 10:18
Re: Running a single cluster in multiple datacenters - Hadoop - [mail # user]
...Hi Bertrand, I guess you configured two racks totally. one IDC is a rack, and another IDC is another rack.  so if you want to don't replicate populate during one IDC down, you had to ch...
   Author: Azuryy Yu, 2013-07-16, 13:36
Re: Namenode automatically going to safemode with 2.1.0-beta - Hadoop - [mail # user]
...hi, from the log: NameNode low on available disk space. Entering safe mode.  this is the root cause.  On Jul 15, 2013 2:45 PM, "Krishna Kishore Bonagiri"  wrote:  ...
   Author: Azuryy Yu, 2013-07-15, 07:26
[expand - 1 more] - Re: Task failure in slave node - Hadoop - [mail # user]
...sorry for typo,  mahout, not mahou.  sent from mobile On Jul 11, 2013 9:40 PM, "Azuryy Yu"  wrote:  ...
   Author: Azuryy Yu, 2013-07-11, 13:41
Re: New to hadoop - which version to start with ? - Hadoop - [mail # user]
...hadoop fs -chmod -R 755 \tmp\hadoop-Sudhir\mapred\staging  Then It should works.   On Sat, Jul 6, 2013 at 1:27 PM, [EMAIL PROTECTED]  wrote:  ...
   Author: Azuryy Yu, 2013-07-06, 05:31
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