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  1. JDK
  2. JDK-8067469

G1 ignores AlwaysPreTouch

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Issue Fix Version Assignee Priority Status Resolution Resolved In Build
JDK-8083161 emb-9 Thomas Schatzl P3 Resolved Fixed team
JDK-8086486 8u65 Thomas Schatzl P3 Resolved Fixed b01
JDK-8078167 8u60 Thomas Schatzl P3 Resolved Fixed b14
JDK-8137643 emb-8u65 Unassigned P3 Resolved Fixed b01
JDK-8079934 emb-8u60 Thomas Schatzl P3 Resolved Fixed team

JDK-8038423

introduced a G1 specific virtual space manager. It does not implement the AlwaysPreTouch feature, simply ignoring it.

This causes some workload (e.g. Specjbb2005 with 120G heap) have a very long first full gc with large sys time.

backported by

Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8078167 G1 ignores AlwaysPreTouch

Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8079934 G1 ignores AlwaysPreTouch

Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8083161 G1 ignores AlwaysPreTouch

Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8086486 G1 ignores AlwaysPreTouch

Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8137643 G1 ignores AlwaysPreTouch

relates to

Enhancement - null JDK-8038423 G1: Decommit memory within the heap

(1 relates to)

Assignee:

tschatzl Thomas Schatzl

Reporter:

tschatzl Thomas Schatzl

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4 Start watching this issue

Created:

2014-12-15 10:45

Updated:

2015-09-29 04:46

Resolved:

2014-12-18 05:29