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JDK
JDK-8233300
Safepoint-aware array copy
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Details
Type:
Enhancement
Status:
Open
Priority:
P4
Resolution:
Unresolved
Affects Version/s:
14
Fix Version/s:
tbd
Component/s:
hotspot
Labels:
zgc
Subcomponent:
gc
Description
A Java thread that copies a large array can severely affect Time-To-Safepoint negatively. The intrinsics for System.arraycopy (and friends) should periodically do safepoint polls to allow safepoints to happen while the copying is in progress.
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Assignee:
Nils Eliasson
Reporter:
Per Liden
Votes:
0
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Watchers:
2
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Dates
Created:
2019-10-31 01:40
Updated:
2020-03-20 19:32