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Tomaz Cerar updated WFCORE-2083:
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Summary: Reduce number of object allocations and memory footprint (was: Increased
Memory footprint in recent builds)
Reduce number of object allocations and memory footprint
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Key: WFCORE-2083
URL:
https://issues.jboss.org/browse/WFCORE-2083
Project: WildFly Core
Issue Type: Bug
Components: Modules, Server
Affects Versions: 3.0.0.Alpha14
Reporter: Tomaz Cerar
Assignee: Tomaz Cerar
Priority: Critical
In our test scenario (see below) memory footprint has been increased between EAP 7.0.0.GA
and current EAP 7.1.0.DR7 for more than 8% (~8MB) for Full profile and more than 9%
(~6.5MB) for web profile. Could you please comment whether this is intended.
Test scenario:
# Start EAP instance.
# Measure its memory footprint - try to get the lowest possible footprint, that means
force garbage collection a few times right before measuring. We enforce GC 10 times.
We see an increase both in heap size (~ 29 vs. 34 MB) and the metaspace size (~ 64 vs. 68
MB) - these numbers are for standalone-full profile.