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Hi all,
Given ceph's class/method capability, and it's HA and scalability characteristics, I'm wondering if it is possible to implement an HA/Scalable application completely in ceph (e.g., ceph is both the HA/scalable storage cluster and the HA/scalable application cluster)? I'm envisioning a set of objects, each with their methods executing on their respective replica OSDs, wherein they work together as an application. Imagine a set of Java classes and instances, or a LISP interpreter, mapped directly into ceph librados objects. Is this possible? Does it make sense? What does it mean to have a long running instance of a librados object with replication? What happens when an object is moved/copied to another OSD? Could one build an HA/Scalable mapper/reducer with this?
Could one build an HA/Scalable complex-event-processor with this? Could one build an HA/Scalable fully programmable executable object store? Comments? Paul Whittington
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