Hello, It's very likely that, either the Google cloud scripts or automated scripts are overriding the following default 'shared memory' kernel parameters set by the Pivotal HDB/Hawq Ambari plugin during installation. kernel.shmmax = 1000000000 kernel.shmmni = 4096 kernel.shmall = 4000000000 Although, you could try setting them using 'sysctl -w' on all the HDB cluster hosts and continue the installation. I would strongly advise, to verify the external scripts changing these kernel settings. For eg: sysctl -w kernel.shmmax=1000000000 ... View more