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Documentation for JEP 331 #284

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JasonFengJ9 opened this issue Jun 4, 2019 · 0 comments · Fixed by #312
Closed

Documentation for JEP 331 #284

JasonFengJ9 opened this issue Jun 4, 2019 · 0 comments · Fixed by #312

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@JasonFengJ9
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JasonFengJ9 commented Jun 4, 2019 •
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Issue or pull request number:

issues: eclipse-openj9/openj9#2679, eclipse-openj9/openj9#3436.

PRs: eclipse-openj9/openj9#4461, eclipse-openj9/openj9#4618, eclipse-openj9/openj9#5869, eclipse-openj9/openj9#5968, eclipse-openj9/openj9#5993, eclipse-openj9/openj9#6009, eclipse-openj9/openj9#6042.

Overview:
This is an implementation of JEP 331 [1].

Release target:
Eclipse OpenJ9 0.15.0

Applies to the following JDK versions:
Java 11 and later

Applies to the following platforms:
All platforms

Known restrictions

  1. Only support GC policies: gencon (default), optthruput, and optavgpause but not balanced or metronome;
  2. Might not be compatible with Health center agent which uses same sampling interval with this JEP feature.

Additional notes:

  1. There are still couple of outstanding JTreg failures being investigated: JTReg Test Failure - serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorArrayAllSampledTest.java openj9#5969 JTReg Test Failure - serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorVMEventsTest.java openj9#6024;
  2. Will run tests against YourKit Java Profiler;

@SueChaplain please let me know if other info is required.

FYI: @DanHeidinga @charliegracie @pshipton

[1] http://openjdk.java.net/jeps/331
@JasonFengJ9 JasonFengJ9 mentioned this issue Jun 4, 2019
Closed
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 2, 2019
@SueChaplain
Add content for JEP 331
7cf868b 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
@SueChaplain SueChaplain mentioned this issue Jul 2, 2019
Merged
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 2, 2019
@SueChaplain
Add content for JEP 331
8093590 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 2, 2019
@SueChaplain
Add content for JEP 331
593c5e5 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 2, 2019
@SueChaplain
Add content for JEP 331
8cadbfa 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 3, 2019
@SueChaplain
Add content for JEP 331
2b36090 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 3, 2019
@SueChaplain
Add content for JEP 331
09d054a 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 3, 2019
@SueChaplain
Add content for JEP 331
cc077e0 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 4, 2019
@SueChaplain
Add content for JEP 331
d3f8418 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
SueChaplain added a commit to SueChaplain/openj9-docs that referenced this issue Jul 4, 2019
@SueChaplain
Add content for JEP 331
fd37714 
OpenJ9 now provides an implementation of JEP 331, which
enables heap profiling with minimal resources. There are
a couple of restrictions, which are documented.

Closes: eclipse-openj9#284

Signed-off-by: Sue Chaplain <[email protected]>
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Add content for JEP 331 SueChaplain/openj9-docs
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@JasonFengJ9