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Re: Backing up HDFS? - Hadoop - [mail # user]
...Hey,  There's also a ticket open to enable global snapshots for a single HDFS instance: https://issues.apache.org/jira/browse/HADOOP-3637. While this doesn't solve the multi-site backup...
   Author: Jeff Hammerbacher, 2009-02-10, 01:47
Re: Available Patches - Hadoop - [mail # dev]
...+1 to splitting Chukwa out as a subproject.  On Sat, Feb 7, 2009 at 2:53 PM, Johan Oskarsson  wrote:  ...
   Author: Jeff Hammerbacher, 2009-02-08, 07:49
Re: Hadoop job using multiple input files - Hadoop - [mail # user]
...You put the files into a common directory, and use that as your input to the MapReduce job. You write a single Mapper class that has an "if" statement examining the map.input.file property, ...
   Author: Jeff Hammerbacher, 2009-02-06, 13:22
Re: Hadoop job using multiple input files - Hadoop - [mail # user]
...Hey Amandeep,  You can get the file name for a task via the "map.input.file" property. For the join you're doing, you could inspect this property and ouput (number, name) and (number, a...
   Author: Jeff Hammerbacher, 2009-02-06, 09:55
Re: Job Tracker/Name Node redundancy - Hadoop - [mail # user]
...Hey Ryan,  Some specific JIRA tickets that will help narrow your search:  JT: https://issues.apache.org/jira/browse/HADOOP-4586 NN: https://issues.apache.org/jira/browse/HADOOP-453...
   Author: Jeff Hammerbacher, 2009-01-09, 21:29
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