Oracle Clusterware & Oracle database performance/node reboot due to lack of CPU/Memory resources cause Customers to ask how to monitor their OS. Some customers have rudimentary scripts that utilize vmstat, mpstat but they are often not collected at regular intervals. In some cases, we have seen customers collect this once per hour which does not make it very useful when the node is hung/evited via reboot in the middle of the hour. OSwatcher did a wonderful job of making the data collection uniform with uniform collection intervals. Cluster Health Monitor extends OSwatcher by ensuring it is always scheduled and collects data points while providing a client GUI to view current load.