memory leaks?

[Daniel D. Daugherty]

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