Increasing the DNS buffer size for Planning Analytics Spreadsheet Services

After you provision Planning Analytics from IBM Cloud Pak for Data, you need to increase the buffer size in the CoreDNS configuration to run Planning Analytics Spreadsheet Services pods.

Procedure

  1. Log in to the cluster command line as an administrator.
  2. Run the following commands to modify the dns-default configmap for the CoreDNS configuration. 
    oc project openshift-dns
oc edit cm dns-default
  3. Change the value of the bufsize parameter to the maximum value (4096).
  4. Save the update and exit the editor.

    For example, if you are using vi, press Esc and enter :wq! to save and exit.

  5. Run the following command to verify that the parameter change is in effect. 
    oc get cm dns-default -o yaml
  6. Run the following command to restart the deployment and apply the parameter changes. 
    oc rollout restart ds/dns-default