instance has all HBase daemons — the Master, Region Servers, and Zoo Keeper — running in a single JVM persisting to the local filesystem. We will show you how to create a table in HBase using the Prior to HBase 0.94.x, HBase expected the loopback IP address to be 127.0.0.1.
This is not the sense in which the term /support/ is used in the context of the Apache HBase project.
Your cluster’s operation can hiccup because of any of a myriad set of reasons from bugs in HBase itself through misconfigurations — misconfiguration of HBase but also operating system misconfigurations — through to hardware problems whether it be a bug in your network card drivers or an underprovisioned RAM bus (to mention two recent examples of hardware issues that manifested as "HBase is slow").
You will also need to do a recalibration if up to this your computing has been bound to a single box.
, or another secure mechanism for copying the configuration files to your nodes.
For most configurations, a restart is needed for servers to pick up changes.