Re: Hadoop and Image analysis question

2009-04-13 Thread jason hadoop
If you pack your images into sequence files, as the value items, the cluster will automatically do a decent job of ensuring that the input splits made from the sequences files are local to the map task. We did this in production at a previous job and it worked very well for us. Might as well turn

Re: Hadoop and Image analysis question

2009-04-12 Thread Sharad Agarwal
Sameer Tilak wrote: > > Hi everyone, > I would like to use Hadoop for analyzing tens of thousands of images. > Ideally each mapper gets few hundred images to process and I'll have few > hundred mappers. However, I want the mapper function to run on the machine > where its images are stored. How ca

Hadoop and Image analysis question

2009-04-10 Thread Sameer Tilak
Hi everyone, I would like to use Hadoop for analyzing tens of thousands of images. Ideally each mapper gets few hundred images to process and I'll have few hundred mappers. However, I want the mapper function to run on the machine where its images are stored. How can I achieve that. With text data