In this recipe, we look at configuring Fair Scheduler with pools instead of queues. This is for backwards compatibility. In Hadoop 1.X, Fair Scheduler was addressed with pools and it means the same as queues.
It is recommended to use queues, as this is quite standard across the board. But, for the sake of the readers, it is good to cover the concepts of pools.
To go through the recipe, complete the previous recipe and just modify the
fair-scheduler.xml file to reflect pools.
master1.cyrus.commaster node in the cluster and switch as user
fair-scheduler.xml, as shown in the following screenshot:
fair-scheduler.xmlfile to all the nodes in the cluster ...