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Quick Lists
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Bug ID:
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6765954
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Votes
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0
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Synopsis
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par compact - stress mode for splitting young gen spaces
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Category
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hotspot:garbage_collector
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Reported Against
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Release Fixed
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hs14(b09),
7(b42) (Bug ID:2172402)
, 6u14(b01) (Bug ID:2172861)
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State
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10-Fix Delivered,
request for enhancement
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Priority:
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3-Medium
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Related Bugs
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6765745
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6786188
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Submit Date
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31-OCT-2008
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Description
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CR 6765745 (par compact - allow young gen spaces to be split) introduces a feature which is not exercised often in normal use. Build a stress mode into debug JVMs to provoke splitting young gen spaces.
Posted Date : 2008-10-31 05:06:15.0
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Work Around
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N/A
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Evaluation
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Add code to fill unused parts of the young gen and old gen with dummy live objects, and set the dense prefix in the old gen, to provoke splitting a young gen space. The filling must occur during the summary phase of par compaction.
Posted Date : 2008-10-31 05:06:15.0
http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/0f773163217d
Posted Date : 2008-12-12 03:19:41.0
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Comments
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PLEASE NOTE: JDK6 is formerly known as Project Mustang
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