JDK-6962589 : remove breadth first scanning code from parallel gc
Type:Enhancement
Component:hotspot
Sub-Component:gc
Affected Version:hs19
Priority:P4
Status:Closed
Resolution:Fixed
OS:generic
CPU:generic
Submitted:2010-06-19
Updated:2011-04-23
Resolved:2011-04-23
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The ParallelGC collector supports scavenging in breadth-first order, but this is disabled by default and there are no known users of it. The code should be removed.
EVALUATION
The default scavenge order is depth first, but the option -XX:-UseDepthFirstScavengeOrder can be used to switch to breadth first. The option would have to be accepted (but ignored) for some time to maintain compatibility.