RFR(M): 8171181: Supporting heap allocation on alternative memory devices

[Andrew Haley]

Is it -XX:HeapDir or -XX:AllocateHeapAt ?  JEP says AllocateHeapAt, impl
does not.

+             "Limit on number of compiler directives.")                     \
+                                                                            \
+  product(ccstr, HeapDir, NULL,                                             \
+          "Path to the directoy where a temporary file will be created      \
+           to use as the backing store for Java Heap.")


Spell "directory"

Do we ever envisage splitting the heap over memory types?

Is it essential to disable NUMA when using alternative memory devices?

Andrew.