Operating System Requirements

Cloudera Data Science Workbench is supported on the following operating systems. A gateway host that is dedicated to running Cloudera Data Science Workbench must use one of the following supported versions. Cloudera does not support multiple Operating Systems running on the same cluster.

Operating System Versions
RHEL 8.6, 8.4, 7.9, 7.8, 7.7, 7.6
CentOS / Oracle Linux RHCK 8.6, 8.4, 7.9, 7.8, 7.7, 7.6

Additional OS-level Settings

  • CDSW requires root access.
  • Enable memory cgroups on your operating system.
  • Disable swap for optimum stability and performance. For instructions, see Setting the vm.swappiness Linux Kernel Parameter.
  • Cloudera Data Science Workbench uses uid 8536 and uid 28536 for an internal service account. Make sure that these user IDs is not assigned to any other service or user account.
  • Cloudera recommends that all users have the max-user-processes ulimit set to at least 65536.
  • Cloudera recommends that all users have the max-open-files ulimit set to 1048576.
  • Although CDSW is not supported on Ubuntu, it is possible for CDSW to run on hosts using RHEL/CentOS/Oracle/SLES while the rest of the CDH/HDP/CDP cluster runs on hosts using Ubuntu.
  • All CDSW hosts should use the same OS flavor and version.