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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: hs24
Affects Version/s: hs15
Component/s: hotspot
Labels:

Subcomponent:
gc
Resolved In Build:
b21
CPU:

generic
OS:

generic
Verification:
Verified

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-2229162	8	John Cuthbertson	P4	Resolved	Fixed	b54
JDK-8017948	7u45	John Cuthbertson	P4	Closed	Fixed	b01
JDK-8002768	7u40	John Cuthbertson	P4	Closed	Fixed	b01

Right now, G1 uses fixed size PLABs for allocation during GC (set by the imaginatively-named parameter -XX:ParallelGCG1AllocBufferSize). It'd be nice to do what CMS does and use dynamic ergonomic resizing of the PLABs.

backported by

JDK-2229162 G1: use ergonomic resizing of PLABs

Resolved

JDK-8002768 G1: use ergonomic resizing of PLABs

Closed

JDK-8002769 G1: use ergonomic resizing of PLABs

Closed

JDK-8002770 G1: use ergonomic resizing of PLABs

Closed

JDK-8017948 G1: use ergonomic resizing of PLABs

Closed

relates to

JDK-6928059 G1: command line parameter renaming

Closed

JDK-6942253 G1: replace G1ParallelGCAllocBufferSize with YoungPLABSize and OldPLABSize

Closed

(2 relates to)

Assignee:: John Cuthbertson
Reporter:: Tony Printezis
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: 2009-03-17 12:11
Updated:: 2013-09-18 06:20
Resolved:: 2012-08-26 22:57
Imported:: 17/Sep/12 11:36 PM
Indexed:: 31/Aug/12 2:14 AM

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