NPG: when?

Srinivas Ramakrishna ysr1729 at gmail.com
Wed Mar 20 17:35:42 PDT 2013


Thanks a ton Jon, for this additional detail as well (in addition to
your previous answer in the other thread)!

-- ramki

On Wed, Mar 20, 2013 at 5:28 PM, Jon Masamitsu <jon.masamitsu at oracle.com> wrote:
>
> On 3/20/2013 5:03 PM, Srinivas Ramakrishna wrote:
>>
>> [Apologies for abusing an existing thread :-/ I changed the subject line]
>>
>> Is there an answer? Or was it a slow osmotic drift towards NPG, so no
>> clear boundary can be defined?
>>
>> In that case, the question might be modified to: in which JDK/HSX
>> release was the former Perm Gen removed from the JVM? If no one
>> recalls, I'll commence some archeology, pick-axe and all.
>
>
> jdk8 b58,   hsx25.b02
>
> When NPG happened, the PermSize flags started giving warnings
>
>
> java -XX:PermSize=32m -version
> java version "1.8.0-ea"
> Java(TM) SE Runtime Environment (build 1.8.0-ea-b57)
> Java HotSpot(TM) Server VM (build 24.0-b22, mixed mode)
>
> java -XX:PermSize=32m -version
> Java HotSpot(TM) Server VM warning: ignoring option PermSize=32m; support
> was removed in 8.0
> java version "1.8.0-ea"
> Java(TM) SE Runtime Environment (build 1.8.0-ea-b58)
> Java HotSpot(TM) Server VM (build 25.0-b02, mixed mode)
>
>
>
>
>
>>
>> A related hsx mercurial question: I see tags for hsx versions/builds
>> such as hs23-b02 or hs24-b04 (for example), but none for the "dot"
>> releases such as "hs23.5-b02" or "hs24.2-b06". Are those dot tags not
>> possible because the dot releases are branches off of the non-dot
>> parent along with cherry-picked cangesets from the main trunk, or in
>> addition to those in the main trunk? I suppose there are no public hsx
>> "dot" repos, right?
>
>
>
> Sorry I don't know enough to answer this one definitively.
>
> Jon
>
>
> On Wed, Mar 20, 2013 at 12:49 PM, Srinivas Ramakrishna <ysr1729 at gmail.com>
> wrote:
>>>
>>> One somewhat weakly related question (pardon the abuse of this thread,
>>> but I figured it might be easy to get a quick response since we are on
>>> the topic of NPG :-) : In what release of HS (HSXX.X-BXX) did NPG get
>>> enabled?
>>>
>>> thanks!
>>> -- ramki
>>>
>> ...
>>>>>
>>>>> ... metaspace memory ...
>>>>> ... metaspace ...
>>
>> ...
>>>>>
>>>>> MaxMetaspaceSize ...
>>>>>
>> ...
>>>>>
>>>>> ... -XX:MaxMetaspaceSize ...
>
>


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