Traces retrieved according to the node's MemoryPolicy.read configuration.
Writes staged during this node's execution, not yet committed to the store.
Total number of traces that matched the read filter (before maxTraces capping).
Wall-clock time in milliseconds spent on the memory read operation.
A read-only snapshot of memory state visible to a node during execution. Populated by the runtime before the node's executor is called; immutable thereafter.