Read access

In most cases, quota violation policies can affect the ability to read the data stored in HBase. You must understand how a quota violation policy affects your ability to read the data stored in HBase.

In most cases, quota violation policies can affect the ability to read the data stored in HBase. A goal of applying these HBase quotas is to ensure that the storage remains healthy and sustains a higher level of availability to HBase users. Guaranteeing that there is always free space in your HDFS can yield a higher level of health of the physical machines and the DataNodes. This leaves the HDFS-reserved space percentage as a fail-safe mechanism.