Intropro Blog Hadoop HDFS quota, space usage and CLI tools

The main reason why we may want to set space quota on HDFS is to limit the space consumption by users or applications. We could run out of free space when using Hadoop cluster during some period of time. The general recommendation is to predict data increase and add new data-nodes to the cluster. But in case we didn't do that on time we may have numerous issues where cluster became very sluggish and on the verge of collapse due to space full.