RFR(S): 8010738: G1: Output for full GCs with +PrintGCDetails should contain perm gen size/meta data change info

[Srinivas Ramakrishna]

ah, thanks Jon! (i am guessing the CR will become visible eventually
on bugs.sun.com? Or should I be looking elsewhere?)

On Tue, May 14, 2013 at 10:23 AM, Jon Masamitsu
<jon.masamitsu at oracle.com> wrote:
>
> On 5/13/13 5:40 PM, Srinivas Ramakrishna wrote:
>>
>> Hi John --
>>
>> On Mon, May 6, 2013 at 3:23 PM, John Cuthbertson
>> <john.cuthbertson at oracle.com> wrote:
>>
>>>> 4.896: [Full GC (Allocation Failure) 512M->343M(512M), 4.3640117 secs]
>>>>     [Eden: 0.0B(25.0M)->0.0B(97.0M) Survivors: 0.0B->0.0B Heap:
>>>> 512.0M(512.0M)->343.3M(512.0M)], [Metaspace: 1611K->2433K(6448K)]
>>>>   [Times: user=5.13 sys=0.15, real=4.36 secs]
>>>
>>>
>>> The information that gets printed mirrors that of the other collectors.
>>> Here's parallel GC:
>>>
>>>> 33.245: [Full GC (Ergonomics) [PSYoungGen: 133632K->3423K(144640K)]
>>>> [ParOldGen: 348158K->348158K(348160K)] 481790K->351581K(492800K),
>>>> [Metaspace: 1612K->2433K(6448K)], 2.5788089 secs] [Times: user=9.96
>>>> sys=0.00, real=2.58 secs]
>>>
>>>
>>> The information that's printed is the amount of metaspace used before the
>>> GC, the capacity, and the amount of reserved space.
>>>
>> Do you know why the "used after" for the metadataspace increased after
>> the full gc?
>> Is that normal, common, rare or abnormal ? :-)
>
>
> I think that is a bug.  The "capacity" should be "used" after GC .
>
> CR is 8014546.
>
> Thanks.
>
> Jon
>
> Jon
>
>>
>> thanks John!
>> -- ramki
>
>