ya.. will write up in hadoop wiki..
is there a way other than copying from local filesystem to hdfs...
like writing directly to hdfs...?
Thanks
S.Chandravadana
Steve Loughran wrote:
>
> chandravadana wrote:
>> hi
>> Thanks all.. ur guidelines helped me a lot..
>> i'm using Jfreechart... when i set
>> System.setProperty("java.awt.headless",
>> "true"); i'm able to run this properly...
>
> this is good; consider writing this up on the hadoop wiki
>>
>> if i specify the path (where the chart is to be saved) as local
>> filesystem.. i'm able to save the chart..
>> but if i set path to be hdfs, then i'm unable to...
>> so what changes do i need to make..
>
> You'll need to copy the local file to HDFS after it is rendered.
>
>>
>> Thanks
>> Chandravadana.S
>>
>>
>>
>> Steve Loughran wrote:
>>> Alex Loddengaard wrote:
>>>> Hadoop runs Java code, so you can do anything that Java could do. This
>>>> means that you can create and/or analyze images. However, as Lukas has
>>>> said, Hadoop runs on a cluster of computers and is used for data
>>>> storage
>>>> and
>>>> processing.
>>>>
>>> -If you are trying to do 2D graphics (AWT operations included) on unix
>>> servers, you often need to have X11 up and running before the rendering
>>> works
>>> - You need to start whichever JVM runs your rendering code with the
>>> property java.awt.headless=true; you can actually set this in your
>>> code.
>>> -if the rendering code uses the OS/hardware, then different hardware can
>>> render differently. This may not be visible to the eye, but it makes
>>> testing more complex as the generated bitmaps can be slightly different
>>> from machine to machine
>>>
>>> -steve
>>>
>>>
>>>
>>>
>>>
>>> --
>>> Steve Loughran http://www.1060.org/blogxter/publish/5
>>> Author: Ant in Action http://antbook.org/
>>>
>>>
>>
>
>
> --
> Steve Loughran http://www.1060.org/blogxter/publish/5
> Author: Ant in Action http://antbook.org/
>
>
--
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