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List:       openjdk-serviceability-dev
Subject:    Re: Jhsdb jmap --heap print large value of MaxMetaspaceSize
From:       Chris Plummer <chris.plummer () oracle ! com>
Date:       2019-12-18 3:23:45
Message-ID: fe66f6ff-0027-ecd4-720b-6774b71910e0 () oracle ! com
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That sounds reasonable, but I'd like to hear from people that are 
actually putting the "jmap --heap print" output to use. Although the 
exact format of the output is not specified, it's possible that users 
could be parsing the output by looking for an actual numeric size. There 
might even be tests that do this. This also puts into question whether 
or not you would need a CSR.

thanks,

Chris

On 12/16/19 7:18 PM, linzang(臧琳) wrote:
> Dear All,
> I found jhsdb jmap —heap print the value of uint_max (17592186044415 MB) when \
> MaxMetaspaceSize is not set by user. This number confused me a little. And I also \
> found the jcmd VM.metaspace prints "unimited" if MaxMetaspaceSize is not set. Which \
> seems more reasonable. So Do you think it is OK if I make "jhsdb jmap" print the \
> same "unlimited" value as jcmd does for MaxMetaspaceSize? 
> BRs,
> Lin


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