[How To :]Copy Merge + S3 File System

2016-07-25 Thread Divya Gehlot
Hi, val srcPath = s3n://bucket_name_1 > val dstPath =s3n://bucket_name_2 > val config = new Configuration() > val fs = FileSystem.get(URI.create(srcPath), config) > FileUtil.copyMerge(fs, new Path(srcPath), fs, new Path(dstPath), false, > config, null) I am trying to use Copymerge .. Its not

Re: Reading video files from HDFS using OpenCV

2016-07-25 Thread Madhav Sharan
Thanks a lot Ron. It helps -- Madhav Sharan On Sun, Jul 24, 2016 at 2:19 PM, Ron Gonzalez wrote: > In a manner of speaking. I would imagine that you would like to take > advantage of resource management that comes with yarn. If you're planning > to make this a product

Re: Output File could only be replicated to 0 nodes

2016-07-25 Thread Gagan Brahmi
There can be several reasons you see this error. The most common ones are: Disk Space on Datanodes - Like mentioned earlier in the thread. Inconsistent DataNodes - You can try to restart HDFS which should clean it up. Bad or Unresponsive Datanode Negative 'Block Size' in hdfs-site.xml. Network

Re: Output File could only be replicated to 0 nodes

2016-07-25 Thread Gabriel Balan
Hi org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /user/pts/output/OTSOutput/_temporary/1/_temporary/attempt_1463_0008_m_18_2/video.mp4.of.txt could only be replicated to 0 nodes instead of minReplication (=1). *There are 9 datanode(s) running* and no node(s) are

Migrating from Data warehouse to Hadoop

2016-07-25 Thread Durga Prasad
Hi All, One of our Business requirement is to offload large dataset 1000's of Terabytes of data processing need to be offloaded to Hadoop over a period of few months. I am curious to learn and understand the possibilities around the below points? 1. what is the efficient Data Ingestion