memory leaks?

Daniel D. Daugherty daniel.daugherty at oracle.com
Fri May 25 13:10:48 PDT 2012


OK, that rules out the two native memory leaks that I fixed
earlier this year.

Dan


On 5/25/12 2:09 PM, 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
>
>
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