Here is the link
http://hadoop.apache.org/core/docs/current/mapred_tutorial.html
On Thu, Sep 18, 2008 at 9:16 PM, chanel <[EMAIL PROTECTED]> wrote:
> Where can you find the "Hadoop Map-Reduce Tutorial"?
>
>
> Shengkai Zhu wrote:
>
>> You can refer to the Hadoop Map-Reduce Tutorial
>>
>> On Thu, Sep 18, 2008 at 8:40 PM, Shengkai Zhu <[EMAIL PROTECTED]>
>> wrote:
>>
>>
>>
>>> Your custom implementation of any interface from hadoop-core should be
>>> archived together with the application (i.e. in the same jar).
>>> Andt he jar will be added to CLASSPATH of the task runner, then your
>>> "customwritable.java" could be found.
>>>
>>>
>>> On Thu, Sep 18, 2008 at 8:09 PM, Deepak Diwakar <[EMAIL PROTECTED]
>>> >wrote:
>>>
>>>
>>>
>>>> Hi,
>>>>
>>>> I am new to hadoop. For my map/reduce task I want to write my on custom
>>>> writable class. Could anyone please let me know where exactly to place
>>>> the
>>>> customwritable.java file?
>>>>
>>>> I found that in {hadoop-home}
>>>> /hadoop-{version}/src/java/org/apache/hadoop/io/ all type of writable
>>>> class
>>>> files are there.
>>>>
>>>> Then in the main task, we just include "import
>>>> org.apache.hadoop.io.{X}Writable;" But this is not working for me.
>>>> Basically
>>>> at the time of compilation compiler doesn't find my customwritable class
>>>> which i have placed in the mentioned folder.
>>>>
>>>> plz help me in this endevor.
>>>>
>>>> Thanks
>>>> deepak
>>>>
>>>>
>>>>
>>>
>>> --
>>>
>>> 朱盛凯
>>>
>>> Jash Zhu
>>>
>>> 复旦大学软件学院
>>>
>>> Software School, Fudan University
>>>
>>>
>>>
>>
>>
>>
>>
>
>
>
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--
朱盛凯
Jash Zhu
复旦大学软件学院
Software School, Fudan University
