United StatesChange Country, Oracle Worldwide Web Sites Communities I am a... I want to...
JDK-6962589 : remove breadth first scanning code from parallel gc

Details
Type:
Enhancement
Submit Date:
2010-06-19
Status:
Closed
Updated Date:
2011-04-23
Project Name:
JDK
Resolved Date:
2011-04-23
Component:
hotspot
OS:
generic
Sub-Component:
gc
CPU:
generic
Priority:
P4
Resolution:
Fixed
Affected Versions:
hs19
Fixed Versions:
hs19 (b06)

Related Reports
Backport:
Backport:
Backport:
Backport:
Relates:

Sub Tasks

Description
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.

                                    

Comments
EVALUATION

http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/9d7a8ab3736b
                                     
2010-08-05
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.
                                     
2010-06-19



Hardware and Software, Engineered to Work Together