Hello, I have a question for CDH Upgrade. I have a problem with CPU scheduling in RHEL7.4, so I need to upgrade to RHEL7.7   * Information <AS-IS> - CDH: 5.14.4 - OS: RHEL 7.4(3.10.0-693-e17.x86_64)   <TO-BE> - CDH: 5.16.2 - OS: RHEL 7.7(3.10.0-1062-e17.x86_64)   ISSUE: No Internet Environment (Separate Network Env)   Q1) Is there any problem with system library reference? Q2) Is there a library linkage problem between CDH 5.14.4 and CDH5.16.2? Q3) If the 3 servers are RHEL 7.4 and the 1 server is RHEL7.7, and you upgrade the CDH version from 5.14.4 to 5.16.2, can you proceed with finding the problem in advance?       ... View more