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Type: Enhancement
Resolution: Fixed
Priority: P3
Fix Version/s: 13
Affects Version/s: 8-shenandoah, 11-shenandoah, 12, 13
Component/s: hotspot
Labels:

Subcomponent:
gc
Resolved In Build:
b16

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8222620	12u-cpu	Aleksey Shipilev	P3	Resolved	Fixed	master
JDK-8222476	12.0.2	Aleksey Shipilev	P3	Resolved	Fixed	b03

There is some confusion what -Xms really means. Current code assumes it only means "initial" heap size, which allows it to uncommit the heap below -Xms. However, users expect -Xms to mean "minimum heap size" to set the low watermark for heap shrinkage. We need to amend Shenandoah to avoid uncommitting below that watermark.

backported by

JDK-8222476 Shenandoah should not uncommit below minimum heap size

Resolved

JDK-8222620 Shenandoah should not uncommit below minimum heap size

Resolved

relates to

JDK-8222185 Shenandoah should report "committed" as capacity

Resolved

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Assignee:: Aleksey Shipilev

Reporter:: Aleksey Shipilev

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Created:: 2019-04-09 05:58

Updated:: 2019-07-29 02:29

Resolved:: 2019-04-09 12:20

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