In this recipe, we will look at HBase tuning and some things to keep in mind. This is not an exclusive list of things to do, but it is a good starting point.
You are recommended to read through Chapter 8, Performance Tuning, before going through the tuning aspects of HBase cluster. It will give you a better insight into tuning the operating system, network, disk, and so on.
Make sure that you have completed the Setting up multi-node HBase cluster recipe for this section and understand the basic Linux commands.
master1.cyrus.commaster node and switch to the user
hbase-env.shfile and add the following lines to it to tune the heap as per the work load:
export HBASE_HEAPSIZE=1G ...