balancing in hadoop

HDFS Rebalance 4

Whenever a new data node is added to the existing HDFS cluster or a data node is removed from the cluster then some of the data nodes in the cluster will have more/less blocks compared to other data nodes. In this unbalanced cluster, data read/write requests become very busy on some data nodes and some data nodes are under utilized. In such cases, to make all the data nodes space […]

Review Comments
default image

I am a plsql developer. Intrested to move into bigdata.

Neetika Singh ITA Hadoop in Dec/2016 December 22, 2016