xen-org/xen-api — pull request #613 by djs55 (2012-05-15 11:51:49+00:00)
Title: squeezed: minimise use of xenstore

To avoid xenstore becoming a bottleneck on a busy system we:

# use rpc-light over a unix domain socket instead of xenstore rpc
# watch all interesting memory-related paths in xenstore and maintain a cache, rather than poll on demand