Re: What does hdfs balancer do after adding more disks to existing datanode.

2011-12-05 Thread Ajit Ratnaparkhi
Hi, dfs data directory at a datanode stores blocks in following directory structure: All blocks are stored at location: /current/ This directory contains some blocks and some subdirectories named like 'subdir*' (eg. subdir0, subdir1, ... ,subdir33, ..,subdir63) To be precise, each directory in d

Re: What does hdfs balancer do after adding more disks to existing datanode.

2011-12-05 Thread Harsh J
Ajit, Just move/merge subdirectories - its the easiest way to go about it and does no harm. For confidence, you can also fire up a test cluster and test out these things :) On 05-Dec-2011, at 2:59 PM, Ajit Ratnaparkhi wrote: > Hi, > > dfs data directory at a datanode stores blocks in followin

RE: What does hdfs balancer do after adding more disks to existing datanode.

2011-11-22 Thread Uma Maheswara Rao G
understood your question wrongly. Regards, Uma From: Ajit Ratnaparkhi [ajit.ratnapar...@gmail.com] Sent: Tuesday, November 22, 2011 5:13 PM To: hdfs-u...@hadoop.apache.org; hdfs-dev@hadoop.apache.org Subject: What does hdfs balancer do after adding more disks to existing datanode. Hi, If I