JDK-7086226 : UseNUMA fails on old versions of windows
Type:Bug
Component:hotspot
Sub-Component:gc
Affected Version:hs22
Priority:P4
Status:Closed
Resolution:Fixed
OS:windows
CPU:generic
Submitted:2011-09-02
Updated:2011-11-28
Resolved:2011-11-28
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On windows os::numa_get_groups_num() return the wrong answer (0) for machines, where the NUMA API is not supported. Moreover, UseNUMA switches on the NUMA-aware allocator with PS, which doesn't make sense on Windows so far.