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Re: how to read custom writable object from hdfs use java api? - Hadoop - [mail # user]
...Since you know the format of your output, write something to read from itshould be very easy.What's your outputformat? If you didn't set it, please refer to the class"org.apache.hadoop.mapre...
   Author: Stanley Shi, 2014-03-26, 05:38
Re: DataNode failed to start due to /usr/lib/hadoop-hdfs/bin/hdfs not exist - Hadoop - [mail # user]
...seems like a vendor specific problem. Ask this in HDP forum.Regards,*Stanley Shi,*On Mon, Mar 24, 2014 at 9:50 AM, Anfernee Xu  wrote: ...
   Author: Stanley Shi, 2014-03-24, 05:45
Re: I am about to lose all my data please help - Hadoop - [mail # user]
...Can you confirm that you namenode image and fseditlog are still there? ifnot, then your data IS lost.Regards,*Stanley Shi,*On Sun, Mar 23, 2014 at 6:24 PM, Fatih Haltas  wrote: ...
   Author: Stanley Shi, 2014-03-24, 05:42
Re: Need FileName with Content - Hadoop - [mail # user]
...Change you mapper to be something like this:public static class TokenizerMapper extends      Mapper {    private final static IntWritable one = new IntWrit...
   Author: Stanley Shi, 2014-03-21, 02:13
Re: Problem of installing HDFS-385 and the usage - Hadoop - [mail # user]
...HI Eric,Are you running an prod environment on Hadoop 1.0.3? If yes, then you haveto upgrade to Hadoop1.2.0 or Hadoop2.2.0.If you don't want to change to other Hadoop version, you need to ba...
   Author: Stanley Shi, 2014-03-19, 05:30
Re: how to unzip a .tar.bz2 file in hadoop/hdfs - Hadoop - [mail # user]
...download it, unzip and put it back?Regards,*Stanley Shi,*On Fri, Mar 14, 2014 at 5:44 PM, Sai Sai  wrote: ...
   Author: Stanley Shi, 2014-03-18, 02:06
Re: Process of files in mapreduce - Hadoop - [mail # user]
...For reading PDF in java, you may refer to this link:http://stackoverflow.com/questions/4784825/how-to-read-pdf-files-using-javain mapreduce, you can use the same code; except that each map()...
   Author: Stanley Shi, 2014-03-12, 09:44
Re: In hadoop All racks belongs to same subnet ! - Hadoop - [mail # user]
...There's no limitation on same-subnet.Regards,*Stanley Shi,*On Wed, Mar 12, 2014 at 1:31 PM, navaz  wrote: ...
   Author: Stanley Shi, 2014-03-12, 05:48
Re: Adding new dataNode to existing cluster for hadoop2.2 - Hadoop - [mail # user]
...just start the new node with the same configuration as in namenode, aftersometime, you will see the new node list.Regards,*Stanley Shi,*On Tue, Mar 11, 2014 at 9:07 AM, Parmeet  wrote:&...
   Author: Stanley Shi, 2014-03-11, 05:14
Re: What's the best practice for managing Hadoop dependencie? - Hadoop - [mail # user]
...Waiting for others to give best practice.I think you can use eclipse to manage the maven; see the full dependencyhierarchy, if some jar(for example, guava) exists in both hadoop dependencych...
   Author: Stanley Shi, 2014-03-10, 03:57
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