In this recipe, we will look at common Resourcemanager issues and how these can be addressed.
To step through the recipe in this section, make sure the users have completed the Setting up multi-node HBase cluster recipe in Chapter 9, HBase Administration.
Scenario 1: Resourcemanager daemon not starting.
8088. These ports can be configured in the
yarn-site.xmlfile and you should make sure these are unique and not used by any other service. In our labs, we used the ports as shown in the following screenshot: