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List:       openjdk-hotspot-runtime-dev
Subject:    Re: RFR: JDK-8262163: Extend settings printout in jcmd VM.metaspace
From:       Lutz Schmidt <lucy () openjdk ! java ! net>
Date:       2021-02-25 8:00:41
Message-ID: CalbIpwtB9A5_C7bvpjadZfYLz33hTkf3-kEFIIoINE=.6c1b91c4-faaa-446a-835f-3d44885bc319 () github ! com
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On Tue, 23 Feb 2021 06:08:08 GMT, Thomas Stuefe <stuefe@openjdk.org> wrote:

> This is quite trivial. 
> 
> jcmd VM.metaspace prints metaspace settings at the end of its printout. Missing \
> from that printout are some settings which would be nice to see here, eg the GC \
> thresholds and CDS settings (nice to know since CDS affects how metaspace is used). \
>  Example output:
> 
> Settings:
> MaxMetaspaceSize: 17179869184,00 GB
> CompressedClassSpaceSize: 1,00 GB
> Initial GC threshold: 20,75 MB
> Current GC threshold: 21,50 MB
> CDS: on
> MetaspaceReclaimPolicy: balanced
> -------
> Tests: Manually ran runtime/Metaspace/PrintMetaspaceDcmd.java.

LGTM.

-------------

Marked as reviewed by lucy (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2686


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