1. A method, comprising: operating at least two worker nodes within an application server (“AS”) instance, each of the worker nodes providing a run-time environment for a virtual machine (“VM”) having a local cache, the AS instance including a network interface and a shared memory external to and shared by the network interface and the at least two worker nodes; and for each of the VMs of the at least two worker nodes, executing a program on the VM, caching an object within the local cache of the VM, the caching by the program executing on the VM, generating by the VM, cache status information about the local cache of the VM, the cache status information indicating a status of the corresponding local cache of the VM which results from the caching of the object, and exporting the generated cache status information from the VM into the shared memory external to the VM during operation of the program.