Hi,    I got the same issue with clock offset. I use a cloudera quickstart VM with : CDH 5.12 Red Hat Enterprise Linux 6 (64 bits) My VM is housed somewhere in OVH servers so in doubt, I simply used in my ntp.conf file :     I restarted my ntp demon with "service ntp restart", and for a time, the sync is ok with one of the ntp servers and then falls down after about a minute. Here is the output of ntpdc -p :     and ntpdc -c sysinfo :     In the /var/log/cloudera-scm-agent/cloudera-scm-agent.log file, I don't have the ntpq command, but still some warning from the host manager about having no ntp server in sync:   My drift in /var/lib/ntp/drift is constant and equal to 499.985.    Any idea please ? Best regards, Sélim ... View more