Globally Managed Caching

Compute

Node

Compute

Node

Compute

Node

I/O

Node

I/O

Node

I/O

Node

Data evicted

from cnode

caches

Cache

evicted

data

evicted

data

evicted

data

Cache

Cache

Cache

Optimization of Centrally Coordinated Caching, 100% coordination.

Data read is first placed in the cnode’s cache instead of the ionodes.

Ionode caches are used to store data evicted from cnode caches.

Eliminates need for expensive cache coherence protocols.

Cache

Cache

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