memory leaks?

[Srinivas Ramakrishna]

On Fri, May 25, 2012 at 1:23 PM, Dmitry Samersoff <
Dmitry.Samersoff at oracle.com> wrote:

> Ramki,
>
> 1. What version of 6u?? you tried.
>

6u29.


>
> 2. We fixed couple of leaks related to JMX
>
> e.g. 7066129 -
> GarbageCollectorMXBean#getLastGcInfo leaks native memory
>

thanks for the info, Dmitry!

-- ramki


>
> -Dmitry
>
>
> On 2012-05-26 00:09, Srinivas Ramakrishna wrote:
> > Hi Dan -- I don't believe either is being used in this case.
> >
> > -- ramki
> >
> > On Fri, May 25, 2012 at 12:07 PM, Daniel D. Daugherty
> > <daniel.daugherty at oracle.com <mailto:daniel.daugherty at oracle.com>>
> wrote:
> >
> >     Hey Ramki!
> >
> >     Do you happen to know if java.lang.instrument, JVM/TI
> RedefineClasses()
> >     or JVM/TI RetransformClasses() is being used by the system?
> >
> >     Dan
> >
> >
> >
> >     On 5/25/12 12:53 PM, Srinivas Ramakrishna wrote:
> >
> >
> >         Just a quick question in case any one might remember off the top
> >         of their head...
> >
> >         Are there any native memory leaks that may have been fixed in
> >         JDK 7 and 8 that haven't yet
> >         been backported to JDK 6uXX?
> >
> >         No need for any research... just a quick check to see if anyone
> >         recalls anything recently that
> >         fixed native leaks... i'll go check the hg logs momentarily to
> >         see if anything jumps out.
> >
> >         I am suspecting some 64 M segments that I see in pmap, and am
> >         yet to figure out when and where
> >         these are coming from... The leak is abrupt and likely the
> >         result of a rather rare/infrequent event.
> >         I'll see if I can find a DTrace that works on Linux and log
> >         mmap/munmap calls to get more info.
> >
> >         thanks for any (even very vague) pointers.
> >         -- ramki
> >
> >
>
>
> --
> Dmitry Samersoff
> Java Hotspot development team, SPB04
> * There will come soft rains ...
>
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