Use Rebalancer http://hadoop.apache.org/common/docs/r0.20.0/hdfs_user_guide.html#Rebalancer - Ravi
On 8/7/09 10:38 AM, "prashant ullegaddi" <[email protected]> wrote: > Hi, > > We had a cluster of 9 machines with one name node, and 8 data nodes (2 had > 220GB hard disk space, rest had 450GB). > Most of the space on first machines with 250GB disk space was consumed. > Now we added two new machines each with 450GB hard disk space as data nodes. > > Is there any way to redistribute files on HDFS so that there will > considerable free space left on first two machines without > downloading the files to one local machine and then uploading it back on > HDFS? > > ~ > Prashant, > SIEL, > IIIT-Hyderabad. >
