High availability cache in server cluster

摘要

For a high availability cache, a cache module obtains permission to manage the cache in response to a failover event in a server cluster by communicating a cache coherency token. An update module rebuilds a cache directory from data stored in the cache and accesses the cache without reloading the data stored in the cache.

主权项

1. An apparatus comprising:
a cache module that obtains permission to manage a cache in response to a failover event in a server cluster by communicating a cache coherency token; and an update module that rebuilds a cache directory from data stored in the cache and accesses the cache without reloading the data stored in the cache, wherein at least a portion of the failover module and the update module comprise one or more of hardware and program code, the program code stored on one or more computer readable storage media.