Configuring the file system State Store

Describes the configuration of the data-fabric state store.

About this task

By default, the Resource Manager stores its state in the data-fabric filesystem. However, you can change the values for the following properties related to the data-fabric filesystem state store:

Procedure

  • To configure the URI to the state store location:
    Set the value of yarn.resourcemanager.fs.state-store.uri in the yarn-site.xml file. The value defaults to the ResourceManager volume (/var/mapr/cluster/yarn/rm/system).
  • To configure the retry policy used by the state store client to connect with data-fabric file system:
    Set the value of yarn.resourcemanager.fs.state-store.retry-policy-spec in the yarn-site.xml file. The value defaults to (2000,500).
  • To configure the number of completed applications retained by the state store:
    Set the value of yarn.resourcemanager.state-store.max-completed-applications in the yarn-site.xml file. The value defaults to 10000.