Networking
Known issues with networking.
-
Custom
/etc/hosts
entries on Cloudera Data Science Workbench hosts do not propagate to sessions and jobs running in containers.Cloudera Bug: DSE-2598
-
Initialisation of Cloudera Data Science Workbench (
cdsw init
) will fail if localhost does not resolve to127.0.0.1
. Cloudera Data Science Workbench does not support DNS servers running on
127.0.0.1:53 . This IP address resolves to the container localhost within Cloudera Data Science Workbench containers. As a workaround, use either a non-loopback address or a remote DNS server.-
Kubernetes throws the following error when
/etc/resolv.conf
lists more than three domains:
Due to a limitation in theResolv.conf file '/etc/resolv.conf' contains search line consisting of more than 3 domains!
libc
resolver, only two DNS servers are supported in/etc/resolv.conf
. Kubernetes uses one additional entry for the cluster DNS.